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Testing strlcpy ()
- From: "Strong, David" <david(dot)strong(at)unisys(dot)com>
- To: <pgsql-hackers(at)postgreSQL(dot)org>
- Subject: Testing strlcpy ()
- Date: Fri, 29 Sep 2006 10:06:08 -0700
We've completed some tests comparing Postgres 8.2beta1 (beta1) and Postgres 8.2beta1 with strlcpy () (strlcpy). First and foremost, the patch seems to be stable - we have not run into any issues with it. After a database reload, there is an 11% difference between strlcpy and beta1 - strlcpy (107 TPS) performing ~11% better than beta1 (96 TPS). This seems to be consistent over a number of runs. Originally, we had only seen 3% difference here. After 8 (or so) runs, the difference between the two versions disappears and both versions produce ~250 TPS. Both versions, over time, spend more and more time in LWLockAcquire. David
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