ALTER INSTANCE RELOAD TLS : Excessive Memory Usage
(Doc ID 2823152.1)
Last updated on JANUARY 06, 2022
Applies to:
MySQL Server - Version 8.0 and laterInformation in this document applies to any platform.
Symptoms
On : 8.0 version, SSL
MySQL 8 ALTER INSTANCE RELOAD TLS excessive memory usage after executing command.
https://dev.mysql.com/doc/en/alter-instance.html
When using large CRLs with TLS on MySQL ( at time of writing versions up to 8.0.27 ) it could be seen that a huge increase in memory was observed *for up to two iterations* when an "ALTER INSTANCE RELOAD TLS" command was executed with a suitably large CRL ( https://dev.mysql.com/doc/en/server-system-variables.html#sysvar_ssl_crl ).
This memory as reported by the RSS on the OS, appears not to be released.
Changes
n/a
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |