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IDProjectCategoryView StatusLast Update
0017088CentOS-8-OTHERpublic2020-02-26 08:28
Reporterghost_mz 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Product Version8.1.1911 
Target VersionFixed in Version 
Summary0017088: Keepalived has a high CPU usage
DescriptionHello,
Keepalived has a high CPU usage in a thread_add_child function.

# perf top -K
  82,12% keepalived [.] thread_add_child
   1,28% ngx_http_brotli_filter_module.so [.] CreateBackwardReferencesNH5
   1,16% nginx [.] _aesni_ctr32_ghash_6x
   0,70% libc-2.28.so [.] __memmove_avx_unaligned_erms
   0,61% libc-2.28.so [.] _int_malloc
   0,59% libc-2.28.so [.] _int_free
   0,43% libpthread-2.28.so [.] __pthread_mutex_lock

I found this issue in a keepalived bugtracker in a github:
https://github.com/acassen/keepalived/issues/1080

This bug was fixed in a 2.0.12 version:
https://www.keepalived.org/changelog.html
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Issue History

Date Modified Username Field Change
2020-02-26 08:28 ghost_mz New Issue