add config to doc

coordinator/src/main/java/org/apache/uniffle/coordinator/CoordinatorConf.java

@@ -134,18 +134,18 @@ public class CoordinatorConf extends RssBaseConf {
       .enumType(ApplicationManager.StrategyName.class)
       .defaultValue(APP_BALANCE)
       .withDescription("Strategy for selecting the remote path");
-  public static final ConfigOption<Long> COORDINATOR_REMOTE_STORAGE_HEALTH_SCHEDULE_TIME = ConfigOptions
-      .key("rss.coordinator.remote.storage.health.schedule.time")
+  public static final ConfigOption<Long> COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_SCHEDULE_TIME = ConfigOptions
+      .key("rss.coordinator.remote.storage.io.sample.schedule.time")
       .longType()
       .defaultValue(60 * 1000L)
       .withDescription("The time of scheduling the read and write time of the paths to obtain different HDFS");
-  public static final ConfigOption<Integer> COORDINATOR_REMOTE_STORAGE_FILE_SIZE = ConfigOptions
-      .key("rss.coordinator.remote.storage.file.size")
+  public static final ConfigOption<Integer> COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_FILE_SIZE = ConfigOptions
+      .key("rss.coordinator.remote.storage.io.sample.file.size")
       .intType()
       .defaultValue(204800 * 1000)
       .withDescription("The size of the file that the scheduled thread reads and writes");
-  public static final ConfigOption<Integer> COORDINATOR_REMOTE_STORAGE_ACCESS_TIMES = ConfigOptions
-      .key("rss.coordinator.remote.storage.access.times")
+  public static final ConfigOption<Integer> COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_ACCESS_TIMES = ConfigOptions
+      .key("rss.coordinator.remote.storage.io.sample.access.times")
       .intType()
       .defaultValue(3)
       .withDescription("The number of times to read and write HDFS files");

coordinator/src/main/java/org/apache/uniffle/coordinator/LowestIOSampleCostSelectStorageStrategy.java

@@ -71,8 +71,8 @@ public class LowestIOSampleCostSelectStorageStrategy implements SelectStorageStr
 
   public LowestIOSampleCostSelectStorageStrategy(CoordinatorConf cf) {
     conf = new Configuration();
-    fileSize = cf.getInteger(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_FILE_SIZE);
-    readAndWriteTimes = cf.getInteger(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_ACCESS_TIMES);
+    fileSize = cf.getInteger(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_FILE_SIZE);
+    readAndWriteTimes = cf.getInteger(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_ACCESS_TIMES);
     this.appIdToRemoteStorageInfo = Maps.newConcurrentMap();
     this.remoteStoragePathRankValue = Maps.newConcurrentMap();
     this.availableRemoteStorageInfo = Maps.newHashMap();
@@ -81,7 +81,7 @@ public LowestIOSampleCostSelectStorageStrategy(CoordinatorConf cf) {
         ThreadUtils.getThreadFactory("readWriteRankScheduler-%d"));
     // should init later than the refreshRemoteStorage init
     readWriteRankScheduler.scheduleAtFixedRate(this::checkReadAndWrite, 1000,
-        cf.getLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_HEALTH_SCHEDULE_TIME), TimeUnit.MILLISECONDS);
+        cf.getLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_SCHEDULE_TIME), TimeUnit.MILLISECONDS);
   }
 
   public void checkReadAndWrite() {

coordinator/src/test/java/org/apache/uniffle/coordinator/LowestIOSampleCostSelectStorageStrategyTest.java

@@ -77,7 +77,7 @@ public void setUpHdfs(String hdfsPath) throws Exception {
     Thread.sleep(500L);
     CoordinatorConf conf = new CoordinatorConf();
     conf.set(CoordinatorConf.COORDINATOR_APP_EXPIRED, appExpiredTime);
-    conf.setLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_HEALTH_SCHEDULE_TIME, 5000);
+    conf.setLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_SCHEDULE_TIME, 5000);
     conf.set(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_SELECT_STRATEGY, IO_SAMPLE);
     applicationManager = new ApplicationManager(conf);
     selectStorageStrategy = (LowestIOSampleCostSelectStorageStrategy) applicationManager.getSelectStorageStrategy();

docs/coordinator_guide.md

@@ -95,6 +95,10 @@ This document will introduce how to deploy Uniffle coordinators.
 |rss.coordinator.remote.storage.cluster.conf|-|Remote Storage Cluster related conf with format $clusterId,$key=$value, separated by ';'|
 |rss.rpc.server.port|-|RPC port for coordinator|
 |rss.jetty.http.port|-|Http port for coordinator|
+|rss.coordinator.remote.storage.select.strategy|APP_BALANCE|Strategy for selecting the remote path|
+|rss.coordinator.remote.storage.io.sample.schedule.time|60000|The time of scheduling the read and write time of the paths to obtain different HDFS|
+|rss.coordinator.remote.storage.io.sample.file.size|204800000|The size of the file that the scheduled thread reads and writes|
+|rss.coordinator.remote.storage.io.sample.access.times|3|The number of times to read and write HDFS files|
 
 ### AccessClusterLoadChecker settings
 |Property Name|Default|	Description|

integration-test/common/src/test/java/org/apache/uniffle/test/FetchClientConfTest.java

@@ -158,7 +158,7 @@ public void testFetchRemoteStorageByIO(@TempDir File tempDir) throws Exception {
     coordinatorConf.setBoolean(CoordinatorConf.COORDINATOR_DYNAMIC_CLIENT_CONF_ENABLED, true);
     coordinatorConf.setString(CoordinatorConf.COORDINATOR_DYNAMIC_CLIENT_CONF_PATH, cfgFile.toURI().toString());
     coordinatorConf.setInteger(CoordinatorConf.COORDINATOR_DYNAMIC_CLIENT_CONF_UPDATE_INTERVAL_SEC, 2);
-    coordinatorConf.setLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_HEALTH_SCHEDULE_TIME, 500);
+    coordinatorConf.setLong(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_IO_SAMPLE_SCHEDULE_TIME, 500);
     coordinatorConf.set(CoordinatorConf.COORDINATOR_REMOTE_STORAGE_SELECT_STRATEGY, IO_SAMPLE);
     createCoordinatorServer(coordinatorConf);
     startServers();