Type:
Bug
Priority:
Major
Resolution:
Fixed
Affects Version/s:
10.0(EOL) , 10.1(EOL) , 10.2(EOL) , 10.3(EOL) , 10.4(EOL) , 10.5 , 10.6
Loading the InnoDB buffer pool at startup is only using a single thread. This can be easily confirmed by starting the server and checking that perf top -H only shows one thread being active.
There is no reason at all to pass the parameter sync=true to buf_read_page_background() . If we allow buf_load() to submit asynchronous reads, multiple page checksums will be computed in parallel by the read completion threads while further pages are being read into the buffer pool.
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