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morningman pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new 68286c45421 [opt](scanner) optimize the number of threads of scanners,
follow up #28640 (#30030)
68286c45421 is described below
commit 68286c4542178a9ee3408ab47e5d41970bd21c9b
Author: Ashin Gau <ashin...@users.noreply.github.com>
AuthorDate: Tue Jan 16 19:13:51 2024 +0800
[opt](scanner) optimize the number of threads of scanners, follow up #28640
(#30030)
follow up #28640, doris_scanner_thread_pool_thread_num may be to large in
machines with 128 cores.
---
be/src/common/config.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index 2d418b2bf24..f7baa43ce85 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -236,7 +236,7 @@ DEFINE_Int32(doris_scanner_thread_pool_thread_num, "-1");
DEFINE_Validator(doris_scanner_thread_pool_thread_num, [](const int config) ->
bool {
if (config == -1) {
CpuInfo::init();
- doris_scanner_thread_pool_thread_num = std::max(48,
CpuInfo::num_cores() * 4);
+ doris_scanner_thread_pool_thread_num = std::max(48,
CpuInfo::num_cores() * 2);
}
return true;
});
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