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Add dedicated Suggest Thread Pool 

Add a dedicated suggest thread pool for the suggest API. With the new completion suggest type, which is purely CPU bounded, it makes more sense to have a dedicated thread pool for suggest compared to having it share the search thread pool and "competing" against other search operations.
closes #3698
This commit is contained in:
Shay Banon 2013-09-15 01:54:27 +02:00
parent 4a97af3cd4
commit 20745adadd
3 changed files with 7 additions and 1 deletions
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4
docs/reference/modules/threadpool.asciidoc
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@ -14,6 +14,10 @@ pools, but the important ones include:
For count/search operations, defaults to `fixed`,
size `3x # of available processors`.
`suggest`::
For suggest operations, defaults to `fixed`,
size `# of available processors`.
`get`::
For get operations, defaults to `fixed`
size `# of available processors`.

2
src/main/java/org/elasticsearch/action/suggest/TransportSuggestAction.java
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@ -73,7 +73,7 @@ public class TransportSuggestAction extends TransportBroadcastOperationAction<Su
@Override
protected String executor() {
return ThreadPool.Names.SEARCH;
return ThreadPool.Names.SUGGEST;
}
@Override

2
src/main/java/org/elasticsearch/threadpool/ThreadPool.java
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@ -67,6 +67,7 @@ public class ThreadPool extends AbstractComponent {
public static final String INDEX = "index";
public static final String BULK = "bulk";
public static final String SEARCH = "search";
public static final String SUGGEST = "suggest";
public static final String PERCOLATE = "percolate";
public static final String MANAGEMENT = "management";
public static final String FLUSH = "flush";
@ -108,6 +109,7 @@ public class ThreadPool extends AbstractComponent {
.put(Names.BULK, settingsBuilder().put("type", "fixed").put("size", availableProcessors).build())
.put(Names.GET, settingsBuilder().put("type", "fixed").put("size", availableProcessors).build())
.put(Names.SEARCH, settingsBuilder().put("type", "fixed").put("size", availableProcessors * 3).put("queue_size", 1000).build())
.put(Names.SUGGEST, settingsBuilder().put("type", "fixed").put("size", availableProcessors).put("queue_size", 1000).build())
.put(Names.PERCOLATE, settingsBuilder().put("type", "fixed").put("size", availableProcessors).put("queue_size", 1000).build())
.put(Names.MANAGEMENT, settingsBuilder().put("type", "scaling").put("keep_alive", "5m").put("size", 5).build())
.put(Names.FLUSH, settingsBuilder().put("type", "scaling").put("keep_alive", "5m").put("size", halfProcMaxAt5).build())