xy720 commented on code in PR #46959:
URL: https://github.com/apache/doris/pull/46959#discussion_r1916199106
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fe/fe-core/src/main/java/org/apache/doris/catalog/TabletStatMgr.java:
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@@ -43,12 +43,24 @@
public class TabletStatMgr extends MasterDaemon {
private static final Logger LOG =
LogManager.getLogger(TabletStatMgr.class);
- private ForkJoinPool taskPool = new
ForkJoinPool(Runtime.getRuntime().availableProcessors());
+ private ForkJoinPool taskPool = new ForkJoinPool(Math.max(8,
Runtime.getRuntime().availableProcessors()));
public TabletStatMgr() {
super("tablet stat mgr", Config.tablet_stat_update_interval_second *
1000);
}
+ private ForkJoinPool adjustThreadPool(int backendSize) {
+ int minimunParallelism = Math.max(8,
Runtime.getRuntime().availableProcessors());
+ int maximunParallelism = 64;
+ int newParallelism = Math.min(backendSize, maximunParallelism);
+ newParallelism = Math.max(newParallelism, minimunParallelism);
+ newParallelism = (newParallelism + 7) / 8 * 8; // Round up to the
multiple of 8
+ if (taskPool == null || taskPool.getParallelism() != newParallelism) {
+ return new ForkJoinPool(newParallelism);
Review Comment:
Using a regular thread pool here is sufficient, I replaced the forkjoinpool
with a thread pool.
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