Shared Gateway: Allow to set the number of concurrent streams doing snapshot operations, closes #621.

modules/elasticsearch/src/main/java/org/elasticsearch/gateway/fs/FsGateway.java

@@ -19,6 +19,7 @@
 
 package org.elasticsearch.gateway.fs;
 
+import org.elasticsearch.ElasticSearchException;
 import org.elasticsearch.cluster.ClusterName;
 import org.elasticsearch.cluster.ClusterService;
 import org.elasticsearch.cluster.metadata.MetaDataCreateIndexService;
@@ -26,6 +27,9 @@ import org.elasticsearch.common.blobstore.fs.FsBlobStore;
 import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.inject.Module;
 import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.unit.TimeValue;
+import org.elasticsearch.common.util.concurrent.DynamicExecutors;
+import org.elasticsearch.common.util.concurrent.EsExecutors;
 import org.elasticsearch.env.Environment;
 import org.elasticsearch.gateway.blobstore.BlobStoreGateway;
 import org.elasticsearch.index.gateway.fs.FsIndexGatewayModule;
@@ -33,12 +37,15 @@ import org.elasticsearch.threadpool.ThreadPool;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.concurrent.ExecutorService;
 
 /**
  * @author kimchy (shay.banon)
  */
 public class FsGateway extends BlobStoreGateway {
 
+    private final ExecutorService concurrentStreamPool;
+
     @Inject public FsGateway(Settings settings, ClusterService clusterService, MetaDataCreateIndexService createIndexService,
                              Environment environment, ClusterName clusterName, ThreadPool threadPool) throws IOException {
         super(settings, clusterService, createIndexService);
@@ -51,7 +58,11 @@ public class FsGateway extends BlobStoreGateway {
         } else {
             gatewayFile = new File(location);
         }
-        initialize(new FsBlobStore(componentSettings, threadPool.cached(), gatewayFile), clusterName, null);
+
+        int concurrentStreams = componentSettings.getAsInt("concurrent_streams", 5);
+        this.concurrentStreamPool = DynamicExecutors.newScalingThreadPool(1, concurrentStreams, TimeValue.timeValueSeconds(5).millis(), EsExecutors.daemonThreadFactory(settings, "[s3_stream]"));
+
+        initialize(new FsBlobStore(componentSettings, concurrentStreamPool, gatewayFile), clusterName, null);
     }
 
     @Override public String type() {
@@ -61,4 +72,9 @@ public class FsGateway extends BlobStoreGateway {
     @Override public Class<? extends Module> suggestIndexGateway() {
         return FsIndexGatewayModule.class;
     }
+
+    @Override protected void doClose() throws ElasticSearchException {
+        super.doClose();
+        concurrentStreamPool.shutdown();
+    }
 }

plugins/cloud/aws/src/main/java/org/elasticsearch/gateway/s3/S3Gateway.java

@@ -31,17 +31,23 @@ import org.elasticsearch.common.inject.Module;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.unit.ByteSizeUnit;
 import org.elasticsearch.common.unit.ByteSizeValue;
+import org.elasticsearch.common.unit.TimeValue;
+import org.elasticsearch.common.util.concurrent.DynamicExecutors;
+import org.elasticsearch.common.util.concurrent.EsExecutors;
 import org.elasticsearch.gateway.blobstore.BlobStoreGateway;
 import org.elasticsearch.index.gateway.s3.S3IndexGatewayModule;
 import org.elasticsearch.threadpool.ThreadPool;
 
 import java.io.IOException;
+import java.util.concurrent.ExecutorService;
 
 /**
  * @author kimchy (shay.banon)
  */
 public class S3Gateway extends BlobStoreGateway {
 
+    private final ExecutorService concurrentStreamPool;
+
     @Inject public S3Gateway(Settings settings, ClusterService clusterService, MetaDataCreateIndexService createIndexService,
                              ClusterName clusterName, ThreadPool threadPool, AwsS3Service s3Service) throws IOException {
         super(settings, clusterService, createIndexService);
@@ -76,13 +82,17 @@ public class S3Gateway extends BlobStoreGateway {
         }
         ByteSizeValue chunkSize = componentSettings.getAsBytesSize("chunk_size", new ByteSizeValue(100, ByteSizeUnit.MB));
 
-        logger.debug("using bucket [{}], region [{}], chunk_size [{}]", bucket, region, chunkSize);
+        int concurrentStreams = componentSettings.getAsInt("concurrent_streams", 5);
+        this.concurrentStreamPool = DynamicExecutors.newScalingThreadPool(1, concurrentStreams, TimeValue.timeValueSeconds(5).millis(), EsExecutors.daemonThreadFactory(settings, "[s3_stream]"));
 
-        initialize(new S3BlobStore(settings, s3Service.client(), bucket, region, threadPool.cached()), clusterName, chunkSize);
+        logger.debug("using bucket [{}], region [{}], chunk_size [{}], concurrent_streams [{}]", bucket, region, chunkSize, concurrentStreams);
+
+        initialize(new S3BlobStore(settings, s3Service.client(), bucket, region, concurrentStreamPool), clusterName, chunkSize);
     }
 
-    @Override public void close() throws ElasticSearchException {
+    @Override protected void doClose() throws ElasticSearchException {
-        super.close();
+        super.doClose();
+        concurrentStreamPool.shutdown();
     }
 
     @Override public String type() {

plugins/hadoop/src/main/java/org/elasticsearch/gateway/hdfs/HdfsGateway.java

@@ -31,12 +31,16 @@ import org.elasticsearch.common.blobstore.hdfs.HdfsBlobStore;
 import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.inject.Module;
 import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.unit.TimeValue;
+import org.elasticsearch.common.util.concurrent.DynamicExecutors;
+import org.elasticsearch.common.util.concurrent.EsExecutors;
 import org.elasticsearch.gateway.blobstore.BlobStoreGateway;
 import org.elasticsearch.threadpool.ThreadPool;
 
 import java.io.IOException;
 import java.net.URI;
 import java.util.Map;
+import java.util.concurrent.ExecutorService;
 
 /**
  * @author kimchy (shay.banon)
@@ -47,6 +51,8 @@ public class HdfsGateway extends BlobStoreGateway {
 
     private final FileSystem fileSystem;
 
+    private final ExecutorService concurrentStreamPool;
+
     @Inject public HdfsGateway(Settings settings, ClusterService clusterService, MetaDataCreateIndexService createIndexService,
                                ClusterName clusterName, ThreadPool threadPool) throws IOException {
         super(settings, clusterService, createIndexService);
@@ -62,7 +68,10 @@ public class HdfsGateway extends BlobStoreGateway {
         }
         Path hPath = new Path(new Path(path), clusterName.value());
 
-        logger.debug("Using uri [{}], path [{}]", uri, hPath);
+        int concurrentStreams = componentSettings.getAsInt("concurrent_streams", 5);
+        this.concurrentStreamPool = DynamicExecutors.newScalingThreadPool(1, concurrentStreams, TimeValue.timeValueSeconds(5).millis(), EsExecutors.daemonThreadFactory(settings, "[s3_stream]"));
+
+        logger.debug("Using uri [{}], path [{}], concurrent_streams [{}]", uri, hPath, concurrentStreams);
 
         Configuration conf = new Configuration();
         Settings hdfsSettings = settings.getByPrefix("hdfs.conf.");
@@ -72,7 +81,7 @@ public class HdfsGateway extends BlobStoreGateway {
 
         fileSystem = FileSystem.get(URI.create(uri), conf);
 
-        initialize(new HdfsBlobStore(settings, fileSystem, threadPool.cached(), hPath), clusterName, null);
+        initialize(new HdfsBlobStore(settings, fileSystem, concurrentStreamPool, hPath), clusterName, null);
     }
 
     @Override public String type() {
@@ -92,5 +101,6 @@ public class HdfsGateway extends BlobStoreGateway {
                 // ignore
             }
         }
+        concurrentStreamPool.shutdown();
     }
 }