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Merge pull request #818 from burmanm/hwkmetrics_614
[HWKMETRICS-614] Temporary tables for writes
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98 changes: 98 additions & 0 deletions
98
...metrics-core-service/src/main/java/org/hawkular/metrics/core/jobs/TempDataCompressor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright 2014-2017 Red Hat, Inc. and/or its affiliates | ||
| * and other contributors as indicated by the @author tags. | ||
| * | ||
| * 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 org.hawkular.metrics.core.jobs; | ||
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| import java.util.concurrent.TimeUnit; | ||
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| import org.hawkular.metrics.core.service.MetricsService; | ||
| import org.hawkular.metrics.datetime.DateTimeService; | ||
| import org.hawkular.metrics.scheduler.api.JobDetails; | ||
| import org.hawkular.metrics.scheduler.api.Trigger; | ||
| import org.hawkular.metrics.sysconfig.Configuration; | ||
| import org.hawkular.metrics.sysconfig.ConfigurationService; | ||
| import org.jboss.logging.Logger; | ||
| import org.joda.time.DateTime; | ||
| import org.joda.time.DateTimeZone; | ||
| import org.joda.time.Duration; | ||
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| import com.google.common.base.Stopwatch; | ||
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| import rx.Completable; | ||
| import rx.functions.Func1; | ||
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| /** | ||
| * @author Michael Burman | ||
| */ | ||
| public class TempDataCompressor implements Func1<JobDetails, Completable> { | ||
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| private static Logger logger = Logger.getLogger(TempDataCompressor.class); | ||
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| public static final String JOB_NAME = "TEMP_DATA_COMPRESSOR"; | ||
| public static final String CONFIG_ID = JobsServiceImpl.CONFIG_PREFIX + JOB_NAME; | ||
| public static final String CONFIG_PAGE_SIZE = "page-size"; | ||
| public static final String CONFIG_MAX_READ_CONCURRENCY = "concurrency.read.max"; | ||
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| private static final int DEFAULT_PAGE_SIZE = 1000; | ||
| private static final int DEFAULT_READ_CONCURRENCY = 2; | ||
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| private MetricsService metricsService; | ||
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| private int pageSize; | ||
| private boolean enabled; | ||
| private int maxReadConcurrency = DEFAULT_READ_CONCURRENCY; | ||
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| public TempDataCompressor(MetricsService service, ConfigurationService configurationService) { | ||
| metricsService = service; | ||
| Configuration configuration = configurationService.load(CONFIG_ID).toSingle().toBlocking().value(); | ||
| if (configuration.get(CONFIG_PAGE_SIZE) == null) { | ||
| pageSize = DEFAULT_PAGE_SIZE; | ||
| } else { | ||
| pageSize = Integer.parseInt(configuration.get(CONFIG_PAGE_SIZE)); | ||
| } | ||
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| if(configuration.get(CONFIG_MAX_READ_CONCURRENCY) != null) { | ||
| maxReadConcurrency = Integer.parseInt(configuration.get(CONFIG_MAX_READ_CONCURRENCY)); | ||
| } | ||
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| String enabledConfig = configuration.get("enabled", "true"); | ||
| enabled = Boolean.parseBoolean(enabledConfig); | ||
| logger.debugf("Job enabled? %b", enabled); | ||
| } | ||
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| @Override | ||
| public Completable call(JobDetails jobDetails) { | ||
| Duration runtimeBlockSize = Duration.standardHours(2); | ||
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| Trigger trigger = jobDetails.getTrigger(); | ||
| DateTime timeSliceInclusive = new DateTime(trigger.getTriggerTime(), DateTimeZone.UTC).minus(runtimeBlockSize); | ||
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| // Rewind to previous timeslice | ||
| DateTime timeSliceStart = DateTimeService.getTimeSlice(timeSliceInclusive, runtimeBlockSize); | ||
| long startOfSlice = timeSliceStart.getMillis(); | ||
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| Stopwatch stopwatch = Stopwatch.createStarted(); | ||
| logger.infof("Starting to process temp table for starting time of %s", timeSliceStart.toString()); | ||
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| // TODO Optimization - new worker per token - use parallelism in Cassandra (with configured parallelism) | ||
| return metricsService.compressBlock(startOfSlice, pageSize, maxReadConcurrency) | ||
| .doOnCompleted(() -> { | ||
| stopwatch.stop(); | ||
| logger.info("Finished processing data in " + stopwatch.elapsed(TimeUnit.MILLISECONDS) + | ||
| " ms"); | ||
| }); | ||
| } | ||
| } |
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