Can someone fill me in as to what's happening behind the scenes when a
thread has the state "Unlocking tables?"
I looked here but did not see it listed:
https://mariadb.com/kb/en/library/general-thread-states/
Specifically, I sometimes see threads spending a lot of time in this
state, and am looking to do some troubleshooting as to the cause of the
delay. I.E., what could cause a thread to be delayed while in that state.
They're (currently) MyISAM tables if it makes a difference.
Thanks!
Dan
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