No filesystem errors

No hardware error

No smartctl error

Disk read test runs at constant180mb/s per disk (linux md raid 1) without problems (via dd if=disk1(2,3,4) of=/dev/null)

No problema at mdstat

Using xfs filesystem

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Im traveling now with time i will update database and check handler variables to see ehat happened

Em terça-feira, 17 de junho de 2014, Roberto Spadim <roberto@spadim.com.br> escreveu:

Hi guys

Well thats a update at a field with a where with full primary key fields

Where with

(Fields)=(consts) or 

 field=const and field=const ...

Work the same way with same time

----

Yes thats a bigint field (with int i got same problem) 

the first partition is used for negative values

And others partitions to positive values

I'm running update only at negative values all others rows (partitions) with positive value only have insert, no updates and no delete

I'm using the primary key at where clausule in other words i'm using a unique key or a unique index. I'm updating a field without indexes (a field not indexed)

I don't know why the mariadb stop 5 seconds or more, since it's a partition with less than 1000 rows and no index field was changed

Any ideas?

Em terça-feira, 17 de junho de 2014, James Briggs <james.briggs@yahoo.com> escreveu:

Hi Roberto.

1) nf is a bigint, so why are you inserting a string value ('-18')?
2) is there some reason you aren't using indexes?
3) after you resolve 1 and 2, do repair table.

Thanks, James.

--------------------------------------------
On Tue, 6/17/14, Roberto Spadim <roberto@spadim.com.br> wrote:

 Subject: [Maria-developers] problem with update and myisam
 To: "maria-developers@lists.launchpad.net" <maria-developers@lists.launchpad.net>
 Date: Tuesday, June 17, 2014, 1:31 PM

 hi guys, could anyone
 help me with https://mariadb.atlassian.net/browse/MDEV-6355
 thanks


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 Roberto Spadim


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Roberto Spadim
SPAEmpresarial

Eng. Automação e Controle

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Roberto Spadim
SPAEmpresarial

Eng. Automação e Controle