Alert: ignore long locked inactive cache entry

anish10dec nginx-forum at
Thu Apr 8 15:37:19 UTC 2021

Hi Team,

Intermittently there are multiple below errors reported in error.log file.

[alert] 41456#41456: ignore long locked inactive cache entry
efcd5613750302a2657fca63c07fc777, count:1

This comes  momentarily with a spike of 50-90 K such errors in a minute time

During this period server load and cpu utilization increases to Maximum
dropping all the traffic with 0% Idle CPU and Load rising to more than 100.

This happens for 5 min after which server comes back into normal state.

Please help What causes this alert and how to avoid this scenario

Posted at Nginx Forum:,291199,291199#msg-291199

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