Re: MySQL gives this IO error, please help
Posted by: Peter Brawley
Date: May 22, 2021 05:08PM

3000 DBs suggests a busy system. Can you correlate these errors with what your apps are doing at those moments?

What are these settings?

innodb_flush_method
innodb_thread_concurrency
innodb_flush_log_at_trx_commit
innodb_file_io_threads
innodb_open_files
tx_isolation

And from ...

show global status;

... please calculate ...

(Com_insert + Com_delete + Com_delete_multi + Com_replace + Com_update + Com_update_multi) / Uptime_since_flush_status

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Re: MySQL gives this IO error, please help
May 22, 2021 05:08PM


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