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From: | John Clizbe |
Subject: | Re: [Sks-devel] 3 million keys & and community help requested |
Date: | Tue, 01 Nov 2011 14:33:12 -0500 |
User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.20pre) Gecko/20110606 Mnenhy/0.8.4 SeaMonkey/2.0.15pre |
Kim Minh Kaplan wrote: > John Clizbe wrote: > >> Are we using the most efficient schema for the database? Page sizes and other >> default DB creation settings and tunables? > > I have started running some benchmarks. First results are available at > <https://www.kim-minh.com/pub/sks/sks-database-tuning>. The short > answer is that we are probably not using a good page size. GREAT work! Thank you, Kim. The only tuning I found on PTree was increasing the page size to 8192 greatly reduced the number of mutex locks (1/page) required. I was experiencing deadlocks running out of available mutexes during pbuild. Best Regards, -John
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