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Re: MySQL gives this IO error, please help
Posted by: Peter Brawley
Date: May 23, 2021 07:32AM

Okeh, my guess didn't prove out, we'll need ...

(i) look in the Windows event log for events at the time InnoDB crashes

(ii) enable the general log and find the queries that are running just when this error appears in the mysql log or the windows event log

(iii) results of ...

show global variables;

select engine,data,indexes,total
from (
    ifnull(engine,'TOTALS') as engine, 
    concat(data,' GB') as data, 
    concat(indexes,' GB') as indexes, 
    concat(tot,' GB') as total,
    if(engine is null,-1,tot) as ord
  from (
      round( sum(data_length)/1024/1024/1024, 2 ) as data,  
      round( sum(index_length)/1024/1024/1024, 2 ) as indexes,  
      round( sum(data_length+index_length)/1024/1024/1024, 2 ) as tot
    from information_schema.tables
    where engine is not null and engine not in('information_schema','performance_schema')
    group by engine with rollup
  ) sums
) list
order by list.ord desc;

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Re: MySQL gives this IO error, please help
May 23, 2021 07:32AM

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