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Re: postgres crashes on insert in 40 different threads - Mailing list pgsql-admin

From Frank Lanitz
Subject Re: postgres crashes on insert in 40 different threads
Date
Msg-id 521232C2.1060801@frank.uvena.de
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In response to postgres crashes on insert in 40 different threads  (Dzmitry <dzmitry.nikitsin@gmail.com>)
Responses Re: postgres crashes on insert in 40 different threads  (Dzmitry <dzmitry.nikitsin@gmail.com>)
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Am 19.08.2013 10:07, schrieb Dzmitry:
> I am doing a lot of writes to DB in 40 different threads – so every
> thread check if record exists – if not => insert record, if exists =>
> update record.
> During this update, my disk IO almost always – 100% and sometimes it
> crash my DB with following message:

Is this really needed to have so many threads and chances for race
conditions?

Beside the mention RAM thing you box might have to low IO capacities for
this kind of trnasactions. What is the load and in detail the iowait saying?

Cheers,
Frank

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