caiconghui commented on a change in pull request #3703:
URL: https://github.com/apache/incubator-doris/pull/3703#discussion_r431551854
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File path: be/src/common/config.h
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@@ -137,7 +140,7 @@ namespace config {
// the maximum number of bytes to display on the debug webserver's log page
CONF_Int64(web_log_bytes, "1048576");
// number of threads available to serve backend execution requests
- CONF_Int32(be_service_threads, "64");
+ CONF_Int32(be_service_threads, "512");
Review comment:
actually for 64, the query and stream load performance is poor, as
mentioned in issue #3696, query(exec_plan_fragment) and submit agent task share
the same thread pool in thrift server. I have done some test, 512 can
apparently improve the performance both for stream load and query(can not be
rpc timeout), query(exec_plan_fragment) would not by blocked by stream
load(such as submit publish txn task).in this setting, the publish timeout
almost disapper.
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