RE: Problems faced onm igration from myISAM to INNODB

<[email protected]>
Newsgroups gmane.comp.db.mysql.java
Message-ID <[email protected]> 
Acually these queries are executed from different transactions. We take
two different connections and then execute these two select queries.

I have not tried with SERIALIZABLE option.

-----Original Message-----
From: Christopher G. Stach II [mailto:[email protected]]
Sent: Wednesday, June 14, 2006 9:35 AM
To: Prasad Ramisetti (WT01 - Broadband Networks)
Cc: [email protected]
Subject: Re: Problems faced onm igration from myISAM to INNODB

[email protected] wrote:
> Actually the first query is returning correct data and the second
> query is missing out some records. When the execute the same queries
> from the sql prompt , I get the data correctly.
>
> I have not taken any ISAM dump, but creating data in the INNODB tables

> directly.
>
> Actually this is a performance testing I am doing, where I have 10
> threads running concurrently inserting 10K rows each and a cron that
> triggers every five minutes that reads the data and does certain
> operations.
>
> Do you feel I should check some INNODB configurations for such stress
> conditions ?

Do both queries happen in the same transaction?  Does it happen when you
set that transaction's isolation level to SERIALIZABLE?

--
Christopher G. Stach II


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