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Index Merge: Change default index.merge.scheduler.max_thread_count from ` to be adaptive based on processor count, closes #469.

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kimchy 2010-11-02 14:00:58 +02:00
parent 2cdaf6357b
commit 3fe2851dae
1 changed files with 1 additions and 1 deletions
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modules/elasticsearch/src/main/java/org/elasticsearch/index/merge/scheduler/ConcurrentMergeSchedulerProvider.java
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@ -42,7 +42,7 @@ public class ConcurrentMergeSchedulerProvider extends AbstractIndexShardComponen
super(shardId, indexSettings); super(shardId, indexSettings);
// TODO LUCENE MONITOR this will change in Lucene 4.0 // TODO LUCENE MONITOR this will change in Lucene 4.0
this.maxThreadCount = componentSettings.getAsInt("max_thread_count", 1); this.maxThreadCount = componentSettings.getAsInt("max_thread_count", Math.max(1, Math.min(3, Runtime.getRuntime().availableProcessors() / 2)));
logger.debug("using [concurrent] merge scheduler with max_thread_count[{}]", maxThreadCount); logger.debug("using [concurrent] merge scheduler with max_thread_count[{}]", maxThreadCount);
} }