On 09/09/12 21:05, Lebling, David (US SSA) wrote:
Andy,
Based on Joshua Taylor's advice, I added a connection pool for writes to ensure
that any concurrent writes have different connections.
I use transactions (model.begin()/model.commit()) for write, and using
SDBFactory.connectStore() to get new connections each time the connection pool
is empty.
I am using SDB 1.3.4 and Postgres 9.0-801 (based on the mvn artifact versions).
Would it be possible to try the release candidate for 1.3.5?
Andy
Repository:
https://repository.apache.org/content/repositories/snapshots/org/apache/jena/jena-sdb/
(email:
http://mail-archives.apache.org/mod_mbox/jena-users/201208.mbox/%3C503F8BBF.20306%40apache.org%3E
)
Dave
-----Original Message-----
From: Andy Seaborne [mailto:[email protected]] On Behalf Of Andy
Seaborne
Sent: Sunday, September 09, 2012 2:16 PM
To: [email protected]
Subject: Re: SDb and concurrent update
Which version of SDB are you using? (And of PostgreSQL?)
This might be JENA-118 [118].
You will need multiple store connections (multiple JDBC connections) if you
want concurrent transactions. Locking is not connected internally to
transactions.
Andy
