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improve javadocs

This commit is contained in:
Michael McCandless 2015-10-06 04:27:52 -04:00 committed by mikemccand
parent a082135538
commit 0aabfe383c
2 changed files with 7 additions and 5 deletions
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1
core/src/main/java/org/elasticsearch/index/shard/IndexShard.java
View File

@ -1040,6 +1040,7 @@ public class IndexShard extends AbstractIndexShardComponent implements IndexSett
engine.getTranslog().updateBuffer(shardTranslogBufferSize);
}
/** Record that this shard is now inactive, and decrease the indexing and translog buffers to tiny values. */
public void markAsInactive() {
if (active.getAndSet(false)) {
updateBufferSize(EngineConfig.INACTIVE_SHARD_INDEXING_BUFFER, TranslogConfig.INACTIVE_SHARD_TRANSLOG_BUFFER);

11
core/src/main/java/org/elasticsearch/indices/memory/IndexingMemoryController.java
View File

@ -29,12 +29,10 @@ import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.util.concurrent.FutureUtils;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.engine.EngineClosedException;
import org.elasticsearch.index.engine.EngineConfig;
import org.elasticsearch.index.engine.FlushNotAllowedEngineException;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.IndexShardState;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.translog.Translog;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.monitor.jvm.JvmInfo;
import org.elasticsearch.threadpool.ThreadPool;
@ -236,6 +234,7 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
return null;
}
/** set new indexing and translog buffers on this shard. this may cause the shard to refresh to free up heap. */
protected void updateShardBuffers(ShardId shardId, ByteSizeValue shardIndexingBufferSize, ByteSizeValue shardTranslogBufferSize) {
final IndexShard shard = getShard(shardId);
if (shard != null) {
@ -251,6 +250,8 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
}
}
/** returns {@code Boolean.TRUE} if no indexing operations have arrived to this shard since the {@code inactiveTimeNS},
* {@code Boolean.FALSE} if they have, and {@code null} if the shard is unknown */
protected boolean isShardIdle(ShardId shardId, long inactiveTimeNS) {
final IndexShard shard = getShard(shardId);
if (shard == null) {
@ -269,7 +270,7 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
return indexShard.getActive();
}
/** Check if any shards active status changed, now. */
/** check if any shards active status changed, now. */
public void forceCheck() {
statusChecker.run();
}
@ -343,7 +344,7 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
/**
* purge any existing statuses that are no longer updated
*
* @return true if any change
* @return the changes applied
*/
private EnumSet<ShardStatusChangeType> purgeDeletedAndClosedShards() {
EnumSet<ShardStatusChangeType> changes = EnumSet.noneOf(ShardStatusChangeType.class);
@ -397,7 +398,7 @@ public class IndexingMemoryController extends AbstractLifecycleComponent<Indexin
return System.nanoTime();
}
// update inactive indexing buffer size
/** notify this shard that it is now inactive, so it can drop its indexing buffer to 512 KB */
protected void markShardAsInactive(ShardId shardId) {
String ignoreReason = null;
final IndexShard shard = getShard(shardId);