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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: Reza Taheri <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: PostgreSQL, and ODBC statement handles
Date: Thu, 04 May 2017 00:12:49 -0400
Message-ID: <[email protected]> (raw)
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Reza Taheri <[email protected]> writes:
> I am running a benchmark (TPCx-V) with a single process on the client
> system handing all the load. Each connection to the server is in a
> separate thread with its own connection to PGSQL, and its own connection
> handle and statement handle. I am facing a contention problem with ODBC
> on the client side. strace and perf top show we are serializing over
> what appears to be accesses to the ODBC statement handle. Contention
> goes away if I use multiple processes instead of multiple threads within
> a process.
No idea about the answer to this, but I suggest that you might find
help on the pgsql-odbc list, if no one answers here.
regards, tom lane
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