Re: JDBC executeBatch() hangs without error

From: Kris Jurka <books(at)ejurka(dot)com>
To: Kevin Wooten <kdubb(at)me(dot)com>
Cc: "Vinay S (vinas)" <vinas(at)cisco(dot)com>, Dave Cramer <davecramer(at)gmail(dot)com>, List <pgsql-jdbc(at)postgresql(dot)org>
Subject: Re: JDBC executeBatch() hangs without error
Date: 2013-09-26 17:48:03
Message-ID: alpine.BSO.2.03.1309261345001.26217@ejurka.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-jdbc

On Thu, 26 Sep 2013, Kevin Wooten wrote:

> Could this be related to the note in QueryExecutorImpl.java ~ line 287
> titled "Deadlock Avoidance"?
> If I remember correctly it's specifically related to batched queries and
> synchronous TCP.

Almost certainly. The thing to look at is setting the network buffer
sizes to use to large values to avoid the deadlock. The default values
are machine dependent which also explains it working or not on different
machines. These are unfortunately not documented, but were introduced in
this commit:

https://github.com/pgjdbc/pgjdbc/commit/4e7f65b91e95d6249c78de6944f09cd34ef1ae87

Kris Jurka

In response to

Responses

Browse pgsql-jdbc by date

  From Date Subject
Next Message Vinay S (vinas) 2013-09-26 17:49:44 Re: JDBC executeBatch() hangs without error
Previous Message Kevin Wooten 2013-09-26 17:40:49 Re: JDBC executeBatch() hangs without error