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[8.9] Change downsample threadpool size. (#97714) #97764

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Jul 18, 2023
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[8.9] Change downsample threadpool size. (#97714) #97764

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2 changes: 1 addition & 1 deletion server/src/main/java/org/elasticsearch/threadpool/ThreadPool.java
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Original file line number Diff line number Diff line change
Expand Up @@ -559,7 +559,7 @@ static int twiceAllocatedProcessors(final int allocatedProcessors) {
return boundedBy(2 * allocatedProcessors, 2, Integer.MAX_VALUE);
}

static int oneEighthAllocatedProcessors(final int allocatedProcessors) {
public static int oneEighthAllocatedProcessors(final int allocatedProcessors) {
return boundedBy(allocatedProcessors / 8, 1, Integer.MAX_VALUE);
}

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2 changes: 1 addition & 1 deletion x-pack/plugin/rollup/src/main/java/org/elasticsearch/xpack/rollup/Rollup.java
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Expand Up @@ -177,7 +177,7 @@ public List<ExecutorBuilder<?>> getExecutorBuilders(Settings settingsToUse) {
final FixedExecutorBuilder downsample = new FixedExecutorBuilder(
settingsToUse,
Rollup.DOWSAMPLE_TASK_THREAD_POOL_NAME,
ThreadPool.searchOrGetThreadPoolSize(EsExecutors.allocatedProcessors(settingsToUse)),
ThreadPool.oneEighthAllocatedProcessors(EsExecutors.allocatedProcessors(settingsToUse)),
Rollup.DOWNSAMPLE_TASK_THREAD_POOL_QUEUE_SIZE,
"xpack.downsample.thread_pool",
false
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