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Re: MySQL latest beta versions



Gilad Ben-Yossef wrote:

> On Wed, 2 Aug 2000, Boaz Rymland wrote:
> > Sometimes we get MySQL to use 97% cpu, and this is when it gets 
> > stuck and stops
> 
> No experience with alpha version, but I've used MySQL for a long time with
> quite big tables (~400,000 entries) under very high loads and never saw a
> problem and the CPU utilization only gets to the level you describe if
> someone does something stupid (forget to set fields as INDEXED or using
> Brute Force (TM) for lack of knowledge of SQL). Of course, this is not
> neccasrily your case, but it might be worth checking exactly under what
> circumstances does the 95% CPU util occurs.

That wouldn't explain the crashes.

Using MySQL 3.22.x, I encountered similar problems after some tables
were damaged (by reboots of my hosted server). Gilad, does isamchk
report any problems? Also, isamchk doesn't detect all errors, so
consider using mysqldump to reconstruct your database from scratch.

This following is directly applicable:

http://www.mysql.com/documentation/mysql/bychapter/manual_Problems.html#Crashing

  Regards,
    Eran Tromer

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