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Re: Large database run locally crashing
Posted by: Peter Brawley
Date: August 02, 2018 07:55PM

> As soon as I open a database management tool (So far MySQL Workbench
> and Navicat) the database halts leaving behind logs about InnoDB data
> dictionary problems, and the like…

What are the exact error messages?

> I have tuned my.cnf with MyISAM and InnoDB buffers (4G each) and various other tunings…

What's important is how those settings relate to demand, load and resources.

There's stress, we need to find where, so please ...

(i) post the result of ...

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;

(ii) post the results of running these queries in the mysql client program ...

show variables;

show global status;

(iii) post the result of this OS cmd ...

free -m

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Written By
August 02, 2018 02:57PM
Re: Large database run locally crashing
August 02, 2018 07:55PM

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