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Posted to issues-all@impala.apache.org by "Joe McDonnell (Jira)" <ji...@apache.org> on 2023/06/15 17:06:00 UTC
[jira] [Created] (IMPALA-12217) cgroup memory limit detection doesn't work for cgroups v2
Joe McDonnell created IMPALA-12217:
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Summary: cgroup memory limit detection doesn't work for cgroups v2
Key: IMPALA-12217
URL: https://issues.apache.org/jira/browse/IMPALA-12217
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 4.3.0
Reporter: Joe McDonnell
Redhat 9 and Ubuntu 22 switched to cgroups v2, which has a different hierarchy than cgroups v1. On startup, we get this error message:
{noformat}
I0615 03:42:54.895839 2633432 status.cc:129] Error reading /proc/self/cgroup: Error(2): No such file or directory
@ 0xfc6233 impala::Status::Status()
@ 0x17ab766 impala::CGroupUtil::FindGlobalCGroup()
@ 0x17acdb2 impala::CGroupUtil::FindAbsCGroupPath()
@ 0x17ad065 impala::CGroupUtil::FindCGroupMemLimit()
@ 0x17ad7e8 _ZN6impala10CGroupUtil11DebugStringB5cxx11Ev
@ 0xfa9ce3 impala::InitCommonRuntime()
@ 0x15978ed ImpaladMain()
@ 0xe977dc main
@ 0x7fada4963d90 (unknown)
@ 0x7fada4963e40 __libc_start_main
@ 0xe97635 _start
I0615 03:42:54.895812 2633432 init.cc:536] Process CGroup Info: memory.limit_in_bytes=Error reading /proc/self/cgroup: Error(2): No such file or directory{noformat}
The detection of container memory limits will be ineffective until this is fixed.
This also causes a backend test failure:
{noformat}
/home/ubuntu/Impala/be/src/util/proc-info-test.cc:38
Value of: status_.ok()
Actual: false
Expected: true
Error: Error reading /proc/self/cgroup: Error(25): Inappropriate ioctl for device{noformat}
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