forked from voldemort/voldemort
/
VoldemortConfig.java
1974 lines (1648 loc) · 69.3 KB
/
VoldemortConfig.java
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/*
* Copyright 2008-2012 LinkedIn, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package voldemort.server;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.util.List;
import java.util.Properties;
import voldemort.client.TimeoutConfig;
import voldemort.client.protocol.RequestFormatType;
import voldemort.cluster.failuredetector.FailureDetectorConfig;
import voldemort.common.OpTimeMap;
import voldemort.common.VoldemortOpCode;
import voldemort.server.scheduler.slop.StreamingSlopPusherJob;
import voldemort.store.bdb.BdbStorageConfiguration;
import voldemort.store.memory.CacheStorageConfiguration;
import voldemort.store.memory.InMemoryStorageConfiguration;
import voldemort.store.mysql.MysqlStorageConfiguration;
import voldemort.store.readonly.BinarySearchStrategy;
import voldemort.store.readonly.ReadOnlyStorageConfiguration;
import voldemort.utils.ConfigurationException;
import voldemort.utils.Props;
import voldemort.utils.Time;
import voldemort.utils.UndefinedPropertyException;
import voldemort.utils.Utils;
import com.google.common.collect.ImmutableList;
/**
* Configuration parameters for the voldemort server.
*
*
*/
public class VoldemortConfig implements Serializable {
private static final long serialVersionUID = 1;
public static final String VOLDEMORT_HOME_VAR_NAME = "VOLDEMORT_HOME";
public static final String VOLDEMORT_CONFIG_DIR = "VOLDEMORT_CONFIG_DIR";
private static final String VOLDEMORT_NODE_ID_VAR_NAME = "VOLDEMORT_NODE_ID";
public static int VOLDEMORT_DEFAULT_ADMIN_PORT = 6660;
public static final long REPORTING_INTERVAL_BYTES = 25 * 1024 * 1024;
public static final int DEFAULT_BUFFER_SIZE = 64 * 1024;
// Kerberos support for read-only fetches (constants)
public static String DEFAULT_KERBEROS_PRINCIPAL = "voldemrt";
public static String DEFAULT_KEYTAB_PATH = "/voldemrt.headless.keytab";
private int nodeId;
private String voldemortHome;
private String dataDirectory;
private String metadataDirectory;
private long bdbCacheSize;
private boolean bdbWriteTransactions;
private boolean bdbFlushTransactions;
private String bdbDataDirectory;
private long bdbMaxLogFileSize;
private int bdbBtreeFanout;
private long bdbCheckpointBytes;
private long bdbCheckpointMs;
private boolean bdbOneEnvPerStore;
private int bdbCleanerMinFileUtilization;
private int bdbCleanerMinUtilization;
private int bdbCleanerLookAheadCacheSize;
private boolean bdbCheckpointerHighPriority;
private int bdbCleanerMaxBatchFiles;
private boolean bdbReadUncommitted;
private int bdbCleanerThreads;
private long bdbLockTimeoutMs;
private int bdbLockNLockTables;
private int bdbLogFaultReadSize;
private int bdbLogIteratorReadSize;
private boolean bdbFairLatches;
private long bdbStatsCacheTtlMs;
private boolean bdbExposeSpaceUtilization;
private long bdbMinimumSharedCache;
private boolean bdbCleanerLazyMigration;
private boolean bdbCacheModeEvictLN;
private boolean bdbMinimizeScanImpact;
private boolean bdbPrefixKeysWithPartitionId;
private boolean bdbLevelBasedEviction;
private boolean bdbProactiveBackgroundMigration;
private String mysqlUsername;
private String mysqlPassword;
private String mysqlDatabaseName;
private String mysqlHost;
private int mysqlPort;
private int readOnlyBackups;
private String readOnlyStorageDir;
private String readOnlySearchStrategy;
private int readOnlyDeleteBackupTimeMs;
private long maxBytesPerSecond;
private long minBytesPerSecond;
private long reportingIntervalBytes;
private int fetcherBufferSize;
private String readOnlyKeytabPath;
private String readOnlyKerberosUser;
private String hadoopConfigPath;
private OpTimeMap testingSlowQueueingDelays;
private OpTimeMap testingSlowConcurrentDelays;
private int coreThreads;
private int maxThreads;
private int socketTimeoutMs;
private int socketBufferSize;
private boolean socketKeepAlive;
private boolean useNioConnector;
private int nioConnectorSelectors;
private int nioAdminConnectorSelectors;
private int nioAcceptorBacklog;
private int clientSelectors;
private int clientRoutingTimeoutMs;
private TimeoutConfig clientTimeoutConfig;
private int clientMaxConnectionsPerNode;
private int clientConnectionTimeoutMs;
private int clientMaxThreads;
private int clientThreadIdleMs;
private int clientMaxQueuedRequests;
private int schedulerThreads;
private boolean mayInterruptService;
private int numScanPermits;
private RequestFormatType requestFormatType;
private boolean enableSlop;
private boolean enableSlopPusherJob;
private boolean enableRepair;
private boolean enableGui;
private boolean enableHttpServer;
private boolean enableSocketServer;
private boolean enableAdminServer;
private boolean enableJmx;
private boolean enablePipelineRoutedStore;
private boolean enableVerboseLogging;
private boolean enableStatTracking;
private boolean enableServerRouting;
private boolean enableMetadataChecking;
private boolean enableNetworkClassLoader;
private boolean enableGossip;
private boolean enableRebalanceService;
private boolean enableJmxClusterName;
private List<String> storageConfigurations;
private Props allProps;
private String slopStoreType;
private String pusherType;
private long slopFrequencyMs;
private long repairStartMs;
private long slopMaxWriteBytesPerSec;
private long slopMaxReadBytesPerSec;
private int slopBatchSize;
private int slopZonesDownToTerminate;
private int adminCoreThreads;
private int adminMaxThreads;
private int adminStreamBufferSize;
private int adminSocketTimeout;
private int adminConnectionTimeout;
private long streamMaxReadBytesPerSec;
private long streamMaxWriteBytesPerSec;
private int gossipInterval;
private String failureDetectorImplementation;
private long failureDetectorBannagePeriod;
private int failureDetectorThreshold;
private int failureDetectorThresholdCountMinimum;
private long failureDetectorThresholdInterval;
private long failureDetectorAsyncRecoveryInterval;
private volatile List<String> failureDetectorCatastrophicErrorTypes;
private long failureDetectorRequestLengthThreshold;
private int retentionCleanupFirstStartTimeInHour;
private int retentionCleanupScheduledPeriodInHour;
private int retentionCleanupFirstStartDayOfWeek;
private boolean retentionCleanupPinStartTime;
private boolean enforceRetentionPolicyOnRead;
private boolean deleteExpiredValuesOnRead;
private int maxRebalancingAttempt;
private long rebalancingTimeoutSec;
private int maxParallelStoresRebalancing;
private boolean rebalancingOptimization;
private boolean usePartitionScanForRebalance;
// flag to indicate if we will mlock and pin index pages in memory
private boolean useMlock;
public VoldemortConfig(Properties props) {
this(new Props(props));
}
public VoldemortConfig(Props props) {
try {
this.nodeId = props.getInt("node.id");
} catch(UndefinedPropertyException e) {
this.nodeId = getIntEnvVariable(VOLDEMORT_NODE_ID_VAR_NAME);
}
this.voldemortHome = props.getString("voldemort.home");
this.dataDirectory = props.getString("data.directory", this.voldemortHome + File.separator
+ "data");
this.metadataDirectory = props.getString("metadata.directory", voldemortHome
+ File.separator + "config");
this.bdbCacheSize = props.getBytes("bdb.cache.size", 200 * 1024 * 1024);
this.bdbWriteTransactions = props.getBoolean("bdb.write.transactions", false);
this.bdbFlushTransactions = props.getBoolean("bdb.flush.transactions", false);
this.bdbDataDirectory = props.getString("bdb.data.directory", this.dataDirectory
+ File.separator + "bdb");
this.bdbMaxLogFileSize = props.getBytes("bdb.max.logfile.size", 60 * 1024 * 1024);
this.bdbBtreeFanout = props.getInt("bdb.btree.fanout", 512);
this.bdbCheckpointBytes = props.getLong("bdb.checkpoint.interval.bytes", 20 * 1024 * 1024);
this.bdbCheckpointMs = props.getLong("bdb.checkpoint.interval.ms", 30 * Time.MS_PER_SECOND);
this.bdbOneEnvPerStore = props.getBoolean("bdb.one.env.per.store", false);
this.bdbCleanerMinFileUtilization = props.getInt("bdb.cleaner.min.file.utilization", 5);
this.bdbCleanerMinUtilization = props.getInt("bdb.cleaner.minUtilization", 50);
this.bdbCleanerThreads = props.getInt("bdb.cleaner.threads", 1);
this.bdbCleanerLookAheadCacheSize = props.getInt("bdb.cleaner.lookahead.cache.size", 8192);
this.bdbLockTimeoutMs = props.getLong("bdb.lock.timeout.ms", 500);
this.bdbLockNLockTables = props.getInt("bdb.lock.nLockTables", 1);
this.bdbLogFaultReadSize = props.getInt("bdb.log.fault.read.size", 2048);
this.bdbLogIteratorReadSize = props.getInt("bdb.log.iterator.read.size", 8192);
this.bdbFairLatches = props.getBoolean("bdb.fair.latches", false);
this.bdbCheckpointerHighPriority = props.getBoolean("bdb.checkpointer.high.priority", false);
this.bdbCleanerMaxBatchFiles = props.getInt("bdb.cleaner.max.batch.files", 0);
this.bdbReadUncommitted = props.getBoolean("bdb.lock.read_uncommitted", true);
this.bdbStatsCacheTtlMs = props.getLong("bdb.stats.cache.ttl.ms", 5 * Time.MS_PER_SECOND);
this.bdbExposeSpaceUtilization = props.getBoolean("bdb.expose.space.utilization", true);
this.bdbMinimumSharedCache = props.getLong("bdb.minimum.shared.cache", 0);
this.bdbCleanerLazyMigration = props.getBoolean("bdb.cleaner.lazy.migration", true);
this.bdbCacheModeEvictLN = props.getBoolean("bdb.cache.evictln", false);
this.bdbMinimizeScanImpact = props.getBoolean("bdb.minimize.scan.impact", false);
this.bdbPrefixKeysWithPartitionId = props.getBoolean("bdb.prefix.keys.with.partitionid",
true);
this.bdbLevelBasedEviction = props.getBoolean("bdb.evict.by.level", false);
this.bdbProactiveBackgroundMigration = props.getBoolean("bdb.proactive.background.migration",
false);
this.readOnlyBackups = props.getInt("readonly.backups", 1);
this.readOnlySearchStrategy = props.getString("readonly.search.strategy",
BinarySearchStrategy.class.getName());
this.readOnlyStorageDir = props.getString("readonly.data.directory", this.dataDirectory
+ File.separator
+ "read-only");
this.readOnlyDeleteBackupTimeMs = props.getInt("readonly.delete.backup.ms", 0);
this.maxBytesPerSecond = props.getBytes("fetcher.max.bytes.per.sec", 0);
this.minBytesPerSecond = props.getBytes("fetcher.min.bytes.per.sec", 0);
this.reportingIntervalBytes = props.getBytes("fetcher.reporting.interval.bytes",
REPORTING_INTERVAL_BYTES);
this.fetcherBufferSize = (int) props.getBytes("hdfs.fetcher.buffer.size",
DEFAULT_BUFFER_SIZE);
this.readOnlyKeytabPath = props.getString("readonly.keytab.path",
this.metadataDirectory
+ VoldemortConfig.DEFAULT_KEYTAB_PATH);
this.readOnlyKerberosUser = props.getString("readonly.kerberos.user",
VoldemortConfig.DEFAULT_KERBEROS_PRINCIPAL);
this.setHadoopConfigPath(props.getString("readonly.hadoop.config.path",
this.metadataDirectory + "/hadoop-conf"));
// TODO probably turn to false by default?
this.setUseMlock(props.getBoolean("readonly.mlock.index", true));
this.mysqlUsername = props.getString("mysql.user", "root");
this.mysqlPassword = props.getString("mysql.password", "");
this.mysqlHost = props.getString("mysql.host", "localhost");
this.mysqlPort = props.getInt("mysql.port", 3306);
this.mysqlDatabaseName = props.getString("mysql.database", "voldemort");
this.testingSlowQueueingDelays = new OpTimeMap(0);
this.testingSlowQueueingDelays.setOpTime(VoldemortOpCode.GET_OP_CODE,
props.getInt("testing.slow.queueing.get.ms", 0));
this.testingSlowQueueingDelays.setOpTime(VoldemortOpCode.GET_ALL_OP_CODE,
props.getInt("testing.slow.queueing.getall.ms", 0));
this.testingSlowQueueingDelays.setOpTime(VoldemortOpCode.GET_VERSION_OP_CODE,
props.getInt("testing.slow.queueing.getversions.ms",
0));
this.testingSlowQueueingDelays.setOpTime(VoldemortOpCode.PUT_OP_CODE,
props.getInt("testing.slow.queueing.put.ms", 0));
this.testingSlowQueueingDelays.setOpTime(VoldemortOpCode.DELETE_OP_CODE,
props.getInt("testing.slow.queueing.delete.ms", 0));
this.testingSlowConcurrentDelays = new OpTimeMap(0);
this.testingSlowConcurrentDelays.setOpTime(VoldemortOpCode.GET_OP_CODE,
props.getInt("testing.slow.concurrent.get.ms", 0));
this.testingSlowConcurrentDelays.setOpTime(VoldemortOpCode.GET_ALL_OP_CODE,
props.getInt("testing.slow.concurrent.getall.ms",
0));
this.testingSlowConcurrentDelays.setOpTime(VoldemortOpCode.GET_VERSION_OP_CODE,
props.getInt("testing.slow.concurrent.getversions.ms",
0));
this.testingSlowConcurrentDelays.setOpTime(VoldemortOpCode.PUT_OP_CODE,
props.getInt("testing.slow.concurrent.put.ms", 0));
this.testingSlowConcurrentDelays.setOpTime(VoldemortOpCode.DELETE_OP_CODE,
props.getInt("testing.slow.concurrent.delete.ms",
0));
this.maxThreads = props.getInt("max.threads", 100);
this.coreThreads = props.getInt("core.threads", Math.max(1, maxThreads / 2));
// Admin client should have less threads but very high buffer size.
this.adminMaxThreads = props.getInt("admin.max.threads", 20);
this.adminCoreThreads = props.getInt("admin.core.threads", Math.max(1, adminMaxThreads / 2));
this.adminStreamBufferSize = (int) props.getBytes("admin.streams.buffer.size",
10 * 1000 * 1000);
this.adminConnectionTimeout = props.getInt("admin.client.connection.timeout.sec", 60);
this.adminSocketTimeout = props.getInt("admin.client.socket.timeout.sec", 24 * 60 * 60);
this.streamMaxReadBytesPerSec = props.getBytes("stream.read.byte.per.sec", 10 * 1000 * 1000);
this.streamMaxWriteBytesPerSec = props.getBytes("stream.write.byte.per.sec",
10 * 1000 * 1000);
this.socketTimeoutMs = props.getInt("socket.timeout.ms", 5000);
this.socketBufferSize = (int) props.getBytes("socket.buffer.size", 64 * 1024);
this.socketKeepAlive = props.getBoolean("socket.keepalive", false);
this.useNioConnector = props.getBoolean("enable.nio.connector", true);
this.nioConnectorSelectors = props.getInt("nio.connector.selectors",
Math.max(8, Runtime.getRuntime()
.availableProcessors()));
this.nioAdminConnectorSelectors = props.getInt("nio.admin.connector.selectors",
Math.max(8, Runtime.getRuntime()
.availableProcessors()));
// a value <= 0 forces the default to be used
this.nioAcceptorBacklog = props.getInt("nio.acceptor.backlog", -1);
this.clientSelectors = props.getInt("client.selectors", 4);
this.clientMaxConnectionsPerNode = props.getInt("client.max.connections.per.node", 50);
this.clientConnectionTimeoutMs = props.getInt("client.connection.timeout.ms", 500);
this.clientRoutingTimeoutMs = props.getInt("client.routing.timeout.ms", 15000);
this.clientTimeoutConfig = new TimeoutConfig(this.clientRoutingTimeoutMs, false);
this.clientTimeoutConfig.setOperationTimeout(VoldemortOpCode.GET_OP_CODE,
props.getInt("client.routing.get.timeout.ms",
this.clientRoutingTimeoutMs));
this.clientTimeoutConfig.setOperationTimeout(VoldemortOpCode.GET_ALL_OP_CODE,
props.getInt("client.routing.getall.timeout.ms",
this.clientRoutingTimeoutMs));
this.clientTimeoutConfig.setOperationTimeout(VoldemortOpCode.PUT_OP_CODE,
props.getInt("client.routing.put.timeout.ms",
this.clientRoutingTimeoutMs));
this.clientTimeoutConfig.setOperationTimeout(VoldemortOpCode.GET_VERSION_OP_CODE,
props.getLong("client.routing.getversions.timeout.ms",
this.clientTimeoutConfig.getOperationTimeout(VoldemortOpCode.PUT_OP_CODE)));
this.clientTimeoutConfig.setOperationTimeout(VoldemortOpCode.DELETE_OP_CODE,
props.getInt("client.routing.delete.timeout.ms",
this.clientRoutingTimeoutMs));
this.clientTimeoutConfig.setPartialGetAllAllowed(props.getBoolean("client.routing.allow.partial.getall",
false));
this.clientMaxThreads = props.getInt("client.max.threads", 500);
this.clientThreadIdleMs = props.getInt("client.thread.idle.ms", 100000);
this.clientMaxQueuedRequests = props.getInt("client.max.queued.requests", 1000);
this.enableHttpServer = props.getBoolean("http.enable", true);
this.enableSocketServer = props.getBoolean("socket.enable", true);
this.enableAdminServer = props.getBoolean("admin.enable", true);
this.enableJmx = props.getBoolean("jmx.enable", true);
this.enablePipelineRoutedStore = props.getBoolean("enable.pipeline.routed.store", true);
this.enableSlop = props.getBoolean("slop.enable", true);
this.enableSlopPusherJob = props.getBoolean("slop.pusher.enable", true);
this.slopMaxWriteBytesPerSec = props.getBytes("slop.write.byte.per.sec", 10 * 1000 * 1000);
this.enableVerboseLogging = props.getBoolean("enable.verbose.logging", true);
this.enableStatTracking = props.getBoolean("enable.stat.tracking", true);
this.enableServerRouting = props.getBoolean("enable.server.routing", true);
this.enableMetadataChecking = props.getBoolean("enable.metadata.checking", true);
this.enableGossip = props.getBoolean("enable.gossip", false);
this.enableRebalanceService = props.getBoolean("enable.rebalancing", true);
this.enableRepair = props.getBoolean("enable.repair", true);
this.enableJmxClusterName = props.getBoolean("enable.jmx.clustername", false);
this.gossipInterval = props.getInt("gossip.interval.ms", 30 * 1000);
this.slopMaxWriteBytesPerSec = props.getBytes("slop.write.byte.per.sec", 10 * 1000 * 1000);
this.slopMaxReadBytesPerSec = props.getBytes("slop.read.byte.per.sec", 10 * 1000 * 1000);
this.slopStoreType = props.getString("slop.store.engine", BdbStorageConfiguration.TYPE_NAME);
this.slopFrequencyMs = props.getLong("slop.frequency.ms", 5 * 60 * 1000);
this.repairStartMs = props.getLong("repair.start.ms", 24 * 60 * 60 * 1000);
this.slopBatchSize = props.getInt("slop.batch.size", 100);
this.pusherType = props.getString("pusher.type", StreamingSlopPusherJob.TYPE_NAME);
this.slopZonesDownToTerminate = props.getInt("slop.zones.terminate", 0);
this.schedulerThreads = props.getInt("scheduler.threads", 6);
this.mayInterruptService = props.getBoolean("service.interruptible", true);
this.numScanPermits = props.getInt("num.scan.permits", 1);
this.storageConfigurations = props.getList("storage.configs",
ImmutableList.of(BdbStorageConfiguration.class.getName(),
MysqlStorageConfiguration.class.getName(),
InMemoryStorageConfiguration.class.getName(),
CacheStorageConfiguration.class.getName(),
ReadOnlyStorageConfiguration.class.getName()));
// start at midnight (0-23)
this.retentionCleanupFirstStartTimeInHour = props.getInt("retention.cleanup.first.start.hour",
0);
// start next day by default (1=SUN, 2=MON, 3=TUE, 4=WED, 5=THU, 6=FRI,
// 7=SAT)
this.retentionCleanupFirstStartDayOfWeek = props.getInt("retention.cleanup.first.start.day",
Utils.getDayOfTheWeekFromNow(1));
// repeat every 24 hours
this.retentionCleanupScheduledPeriodInHour = props.getInt("retention.cleanup.period.hours",
24);
// should the retention job always start at the 'start time' specified
this.retentionCleanupPinStartTime = props.getBoolean("retention.cleanup.pin.start.time",
true);
// should the online reads filter out stale values when reading them ?
this.enforceRetentionPolicyOnRead = props.getBoolean("enforce.retention.policy.on.read",
false);
// should the online reads issue deletes to clear out stale values when
// reading them?
this.deleteExpiredValuesOnRead = props.getBoolean("delete.expired.values.on.read", false);
// save props for access from plugins
this.allProps = props;
String requestFormatName = props.getString("request.format",
RequestFormatType.VOLDEMORT_V1.getCode());
this.requestFormatType = RequestFormatType.fromCode(requestFormatName);
// rebalancing parameters
this.maxRebalancingAttempt = props.getInt("max.rebalancing.attempts", 3);
this.rebalancingTimeoutSec = props.getLong("rebalancing.timeout.seconds", 10 * 24 * 60 * 60);
this.maxParallelStoresRebalancing = props.getInt("max.parallel.stores.rebalancing", 3);
this.rebalancingOptimization = props.getBoolean("rebalancing.optimization", true);
this.usePartitionScanForRebalance = props.getBoolean("use.partition.scan.for.rebalance",
true);
this.failureDetectorImplementation = props.getString("failuredetector.implementation",
FailureDetectorConfig.DEFAULT_IMPLEMENTATION_CLASS_NAME);
// We're changing the property from "client.node.bannage.ms" to
// "failuredetector.bannage.period" so if we have the old one, migrate
// it over.
if(props.containsKey("client.node.bannage.ms")
&& !props.containsKey("failuredetector.bannage.period")) {
props.put("failuredetector.bannage.period", props.get("client.node.bannage.ms"));
}
this.failureDetectorBannagePeriod = props.getLong("failuredetector.bannage.period",
FailureDetectorConfig.DEFAULT_BANNAGE_PERIOD);
this.failureDetectorThreshold = props.getInt("failuredetector.threshold",
FailureDetectorConfig.DEFAULT_THRESHOLD);
this.failureDetectorThresholdCountMinimum = props.getInt("failuredetector.threshold.countminimum",
FailureDetectorConfig.DEFAULT_THRESHOLD_COUNT_MINIMUM);
this.failureDetectorThresholdInterval = props.getLong("failuredetector.threshold.interval",
FailureDetectorConfig.DEFAULT_THRESHOLD_INTERVAL);
this.failureDetectorAsyncRecoveryInterval = props.getLong("failuredetector.asyncrecovery.interval",
FailureDetectorConfig.DEFAULT_ASYNC_RECOVERY_INTERVAL);
this.failureDetectorCatastrophicErrorTypes = props.getList("failuredetector.catastrophic.error.types",
FailureDetectorConfig.DEFAULT_CATASTROPHIC_ERROR_TYPES);
this.failureDetectorRequestLengthThreshold = props.getLong("failuredetector.request.length.threshold",
getSocketTimeoutMs());
// network class loader disable by default.
this.enableNetworkClassLoader = props.getBoolean("enable.network.classloader", false);
validateParams();
}
private void validateParams() {
if(coreThreads < 0)
throw new IllegalArgumentException("core.threads cannot be less than 1");
else if(coreThreads > maxThreads)
throw new IllegalArgumentException("core.threads cannot be greater than max.threads.");
if(maxThreads < 1)
throw new ConfigurationException("max.threads cannot be less than 1.");
if(slopFrequencyMs < 1)
throw new ConfigurationException("slop.frequency.ms cannot be less than 1.");
if(socketTimeoutMs < 0)
throw new ConfigurationException("socket.timeout.ms must be 0 or more ms.");
if(clientSelectors < 1)
throw new ConfigurationException("client.selectors must be 1 or more.");
if(clientRoutingTimeoutMs < 0)
throw new ConfigurationException("routing.timeout.ms must be 0 or more ms.");
if(schedulerThreads < 1)
throw new ConfigurationException("Must have at least 1 scheduler thread, "
+ this.schedulerThreads + " set.");
if(enableServerRouting && !enableSocketServer)
throw new ConfigurationException("Server-side routing is enabled, this requires the socket server to also be enabled.");
}
private int getIntEnvVariable(String name) {
String var = System.getenv(name);
if(var == null)
throw new ConfigurationException("The environment variable " + name
+ " is not defined.");
try {
return Integer.parseInt(var);
} catch(NumberFormatException e) {
throw new ConfigurationException("Invalid format for environment variable " + name
+ ", expecting an integer.", e);
}
}
public static VoldemortConfig loadFromEnvironmentVariable() {
String voldemortHome = System.getenv(VoldemortConfig.VOLDEMORT_HOME_VAR_NAME);
if(voldemortHome == null)
throw new ConfigurationException("No environment variable "
+ VoldemortConfig.VOLDEMORT_HOME_VAR_NAME
+ " has been defined, set it!");
String voldemortConfigDir = System.getenv(VoldemortConfig.VOLDEMORT_CONFIG_DIR);
if(voldemortConfigDir != null) {
if(!Utils.isReadableDir(voldemortConfigDir))
throw new ConfigurationException("Attempt to load configuration from VOLDEMORT_CONFIG_DIR, "
+ voldemortConfigDir
+ " failed. That is not a readable directory.");
}
return loadFromVoldemortHome(voldemortHome, voldemortConfigDir);
}
public static VoldemortConfig loadFromVoldemortHome(String voldemortHome) {
String voldemortConfigDir = voldemortHome + File.separator + "config";
return loadFromVoldemortHome(voldemortHome, voldemortConfigDir);
}
public static VoldemortConfig loadFromVoldemortHome(String voldemortHome,
String voldemortConfigDir) {
if(!Utils.isReadableDir(voldemortHome))
throw new ConfigurationException("Attempt to load configuration from VOLDEMORT_HOME, "
+ voldemortHome
+ " failed. That is not a readable directory.");
if(voldemortConfigDir == null) {
voldemortConfigDir = voldemortHome + File.separator + "config";
}
String propertiesFile = voldemortConfigDir + File.separator + "server.properties";
if(!Utils.isReadableFile(propertiesFile))
throw new ConfigurationException(propertiesFile
+ " is not a readable configuration file.");
Props properties = null;
try {
properties = new Props(new File(propertiesFile));
properties.put("voldemort.home", voldemortHome);
properties.put("metadata.directory", voldemortConfigDir);
} catch(IOException e) {
throw new ConfigurationException(e);
}
return new VoldemortConfig(properties);
}
/**
* The interval at which gossip is run to exchange metadata
*/
public int getGossipInterval() {
return gossipInterval;
}
public void setGossipInterval(int gossipInterval) {
this.gossipInterval = gossipInterval;
}
/**
* The node id given by "node.id" property default: VOLDEMORT_NODE_ID
* environment variable
*/
public int getNodeId() {
return nodeId;
}
public void setNodeId(int nodeId) {
this.nodeId = nodeId;
}
/**
* <ul>
* <li>Property : "voldemort.home"</li>
* <li>Default : VOLDEMORT_HOME environment variable</li>
* </ul>
*/
public String getVoldemortHome() {
return voldemortHome;
}
public void setVoldemortHome(String voldemortHome) {
this.voldemortHome = voldemortHome;
}
/**
* The directory name given by "data.directory" default: voldemort.home/data
*
*/
public String getDataDirectory() {
return dataDirectory;
}
public void setDataDirectory(String dataDirectory) {
this.dataDirectory = dataDirectory;
}
/**
* The directory name given by "metadata.directory" default:
* voldemort.home/config
*/
public String getMetadataDirectory() {
return metadataDirectory;
}
public void setMetadataDirectory(String metadataDirectory) {
this.metadataDirectory = metadataDirectory;
}
/**
* The size of BDB Cache to hold portions of the BTree.
*
* <ul>
* <li>Property : "bdb.cache.size"</li>
* <li>Default : 200MB</li>
* </ul>
*/
public long getBdbCacheSize() {
return bdbCacheSize;
}
public void setBdbCacheSize(int bdbCacheSize) {
this.bdbCacheSize = bdbCacheSize;
}
/**
* This parameter controls whether we expose space utilization via MBean. If
* set to false, stat will always return 0;
*
* <ul>
* <li>Property : "bdb.expose.space.utilization"</li>
* <li>Default : true</li>
* </ul>
*/
public boolean getBdbExposeSpaceUtilization() {
return bdbExposeSpaceUtilization;
}
public void setBdbExposeSpaceUtilization(boolean bdbExposeSpaceUtilization) {
this.bdbExposeSpaceUtilization = bdbExposeSpaceUtilization;
}
/**
* If true then sync transactions to disk immediately.
*
* <ul>
* <li>Property : "bdb.flush.transactions"</li>
* <li>Default : false</li>
* </ul>
*
*/
public boolean isBdbFlushTransactionsEnabled() {
return bdbFlushTransactions;
}
public void setBdbFlushTransactions(boolean bdbSyncTransactions) {
this.bdbFlushTransactions = bdbSyncTransactions;
}
/**
* The directory in which bdb data is stored.
*
* <ul>
* <li>Property : "bdb.data.directory"</li>
* <li>Default : data.directory/bdb</li>
* </ul>
*/
public String getBdbDataDirectory() {
return bdbDataDirectory;
}
public void setBdbDataDirectory(String bdbDataDirectory) {
this.bdbDataDirectory = bdbDataDirectory;
}
/**
* The maximum size of a single .jdb log file in bytes.
*
* <ul>
* <li>Property : "bdb.max.logfile.size"</li>
* <li>Default : 60MB</li>
* </ul>
*/
public long getBdbMaxLogFileSize() {
return this.bdbMaxLogFileSize;
}
public void setBdbMaxLogFileSize(long bdbMaxLogFileSize) {
this.bdbMaxLogFileSize = bdbMaxLogFileSize;
}
/**
* A log file will be cleaned if its utilization percentage is below this
* value, irrespective of total utilization.
*
* <ul>
* <li>property: "bdb.cleaner.minFileUtilization"</li>
* <li>default: 5</li>
* <li>minimum: 0</li>
* <li>maximum: 50</li>
* </ul>
*/
public int getBdbCleanerMinFileUtilization() {
return bdbCleanerMinFileUtilization;
}
public final void setBdbCleanerMinFileUtilization(int minFileUtilization) {
if(minFileUtilization < 0 || minFileUtilization > 50)
throw new IllegalArgumentException("minFileUtilization should be between 0 and 50 (both inclusive)");
this.bdbCleanerMinFileUtilization = minFileUtilization;
}
/**
* If true, the checkpointer uses more resources in order to complete the
* checkpoint in a shorter time interval.
*
* <ul>
* <li>property: "bdb.checkpointer.high.priority"</li>
* <li>default: false</li>
* </ul>
*/
public boolean getBdbCheckpointerHighPriority() {
return bdbCheckpointerHighPriority;
}
public final void setBdbCheckpointerHighPriority(boolean bdbCheckpointerHighPriority) {
this.bdbCheckpointerHighPriority = bdbCheckpointerHighPriority;
}
/**
* The maximum number of log files in the cleaner's backlog, or zero if
* there is no limit
*
* <ul>
* <li>property: "bdb.cleaner.max.batch.files"</li>
* <li>default: 0</li>
* <li>minimum: 0</li>
* <li>maximum: 100000</li>
* </ul>
*/
public int getBdbCleanerMaxBatchFiles() {
return bdbCleanerMaxBatchFiles;
}
public final void setBdbCleanerMaxBatchFiles(int bdbCleanerMaxBatchFiles) {
if(bdbCleanerMaxBatchFiles < 0 || bdbCleanerMaxBatchFiles > 100000)
throw new IllegalArgumentException("bdbCleanerMaxBatchFiles should be between 0 and 100000 (both inclusive)");
this.bdbCleanerMaxBatchFiles = bdbCleanerMaxBatchFiles;
}
/**
*
* The number of cleaner threads
*
* <ul>
* <li>property: "bdb.cleaner.threads"</li>
* <li>default: 1</li>
* <li>minimum: 1</li>
* </ul>
*/
public int getBdbCleanerThreads() {
return bdbCleanerThreads;
}
public final void setBdbCleanerThreads(int bdbCleanerThreads) {
if(bdbCleanerThreads <= 0)
throw new IllegalArgumentException("bdbCleanerThreads should be greater than 0");
this.bdbCleanerThreads = bdbCleanerThreads;
}
/**
* Buffer size used by cleaner to fetch BTree nodes during cleaning.
*
* <ul>
* <li>property: "bdb.cleaner.lookahead.cache.size"</li>
* <li>default: 8192</li>
* </ul>
*
* @return
*/
public int getBdbCleanerLookAheadCacheSize() {
return bdbCleanerLookAheadCacheSize;
}
public final void setBdbCleanerLookAheadCacheSize(int bdbCleanerLookAheadCacheSize) {
if(bdbCleanerLookAheadCacheSize < 0)
throw new IllegalArgumentException("bdbCleanerLookAheadCacheSize should be at least 0");
this.bdbCleanerLookAheadCacheSize = bdbCleanerLookAheadCacheSize;
}
/**
*
* The lock timeout for all transactional and non-transactional operations.
* Value of zero disables lock timeouts i.e. a deadlock scenario will block
* forever. High locktimeout combined with a highly concurrent workload,
* might have adverse impact on latency for all stores
*
* <ul>
* <li>property: "bdb.lock.timeout.ms"</li>
* <li>default: 500</li>
* <li>minimum: 0</li>
* <li>maximum: 75 * 60 * 1000</li>
* </ul>
*/
public long getBdbLockTimeoutMs() {
return bdbLockTimeoutMs;
}
public final void setBdbLockTimeoutMs(long bdbLockTimeoutMs) {
if(bdbLockTimeoutMs < 0)
throw new IllegalArgumentException("bdbLockTimeoutMs should be greater than 0");
this.bdbLockTimeoutMs = bdbLockTimeoutMs;
}
/**
* The size of the lock table used by BDB JE
*
* <ul>
* <li>Property : bdb.lock.nLockTables"</li>
* <li>Default : 1</li>
* </ul>
*
* @return
*/
public int getBdbLockNLockTables() {
return bdbLockNLockTables;
}
public void setBdbLockNLockTables(int bdbLockNLockTables) {
if(bdbLockNLockTables < 1 || bdbLockNLockTables > 32767)
throw new IllegalArgumentException("bdbLockNLockTables should be greater than 0 and "
+ "less than 32767");
this.bdbLockNLockTables = bdbLockNLockTables;
}
/**
* Buffer for faulting in objects from disk
*
* <ul>
* <li>Property : "bdb.log.fault.read.size"</li>
* <li>Default : 2048</li>
* </ul>
*
* @return
*/
public int getBdbLogFaultReadSize() {
return bdbLogFaultReadSize;
}
public void setBdbLogFaultReadSize(int bdbLogFaultReadSize) {
this.bdbLogFaultReadSize = bdbLogFaultReadSize;
}
/**
* Buffer size used by BDB JE for reading the log eg: Cleaning.
*
* <ul>
* <li>Property : "bdb.log.iterator.read.size"</li>
* <li>Default : 8192</li>
* </ul>
*
* @return
*/
public int getBdbLogIteratorReadSize() {
return bdbLogIteratorReadSize;
}
public void setBdbLogIteratorReadSize(int bdbLogIteratorReadSize) {
this.bdbLogIteratorReadSize = bdbLogIteratorReadSize;
}
/**
* Controls whether BDB JE should use latches instead of synchronized blocks
*
* <ul>
* <li>Property : "bdb.fair.latches"</li>
* <li>Default : false</li>
* </ul>
*
* @return
*/
public boolean getBdbFairLatches() {
return bdbFairLatches;
}
public void setBdbFairLatches(boolean bdbFairLatches) {
this.bdbFairLatches = bdbFairLatches;
}
/**
* If true, BDB JE get() will not be blocked by put()
*
* <ul>
* <li>Property : "bdb.lock.read_uncommitted"</li>
* <li>Default : true</li>
* </ul>
*
* @return
*/
public boolean getBdbReadUncommitted() {
return bdbReadUncommitted;
}
public void setBdbReadUncommitted(boolean bdbReadUncommitted) {
this.bdbReadUncommitted = bdbReadUncommitted;
}
/**
*
* The cleaner will keep the total disk space utilization percentage above
* this value.
*
* <ul>
* <li>property: "bdb.cleaner.minUtilization"</li>
* <li>default: 50</li>
* <li>minimum: 0</li>
* <li>maximum: 90</li>
* </ul>
*/
public int getBdbCleanerMinUtilization() {
return bdbCleanerMinUtilization;
}
public final void setBdbCleanerMinUtilization(int minUtilization) {
if(minUtilization < 0 || minUtilization > 90)
throw new IllegalArgumentException("minUtilization should be between 0 and 90 (both inclusive)");
this.bdbCleanerMinUtilization = minUtilization;
}
/**
* The btree node fanout. Given by "". default: 512
*
* <ul>
* <li>property: "bdb.btree.fanout"</li>
* <li>default: 512</li>
* </ul>
*/
public int getBdbBtreeFanout() {
return this.bdbBtreeFanout;
}
public void setBdbBtreeFanout(int bdbBtreeFanout) {
this.bdbBtreeFanout = bdbBtreeFanout;
}
/**
* If true, Cleaner offloads some work to application threads, to keep up
* with the write rate. Side effect is that data is staged on the JVM till
* it is flushed down by Checkpointer, hence not GC friendly (Will cause
* promotions)
*
* <ul>
* <li>property: "bdb.cleaner.lazy.migration"</li>
* <li>default : true</li>
* </ul>
*
* @return
*/
public boolean getBdbCleanerLazyMigration() {
return bdbCleanerLazyMigration;
}
public final void setBdbCleanerLazyMigration(boolean bdbCleanerLazyMigration) {
this.bdbCleanerLazyMigration = bdbCleanerLazyMigration;
}
/**
* If true, BDB will not cache data in the JVM.
*
* <ul>
* <li>Property : "bdb.cache.evictln"</li>
* <li>Default : false</li>
* </ul>
*
* @return
*/
public boolean getBdbCacheModeEvictLN() {
return bdbCacheModeEvictLN;