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fix sched_setaffinity failed. #5459

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merged 2 commits into from
Jul 25, 2022
Merged

fix sched_setaffinity failed. #5459

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e5da5f0
fix sched_setaffinity failed.
JinheLin Jul 25, 2022
52a36c1
Merge branch 'master' into fix_sche_cpu
ti-chi-bot Jul 25, 2022
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9 changes: 6 additions & 3 deletions dbms/src/Storages/DeltaMerge/ReadThread/SegmentReader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -69,10 +69,13 @@ class SegmentReader
int ret = sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
if (ret != 0)
{
LOG_FMT_ERROR(log, "sched_setaffinity fail: {}", std::strerror(errno));
throw Exception(fmt::format("sched_setaffinity fail: {}", std::strerror(errno)));
// It can be failed due to some CPU core cannot access, such as CPU offline.
LOG_FMT_ERROR(log, "sched_setaffinity cpus {} fail: {}", cpus, std::strerror(errno));
}
else
{
LOG_FMT_DEBUG(log, "sched_setaffinity cpus {} succ", cpus);
}
LOG_FMT_DEBUG(log, "sched_setaffinity cpus {} succ", cpus);
#endif
}

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