On Mon, Sep 03, 2007 at 11:23:22PM -0700, Howard Chu wrote: > The test I used most recently was to run test008 in the OpenLDAP test suite > and average the runtimes over 5-10 runs for each BDB version. In my tests I > ran with SLAPD_DEBUG=0 so the only I/O traffic is from BDB and not from > debug logging. I also ran with an extremely small cachesize setting (5, the > default is 1000) to further aggravate the locking contention in the > underlying DB. Under normal conditions (where the cache is not so > ridiculously undersized for the workload) the differences are not as > apparent. > > Also note that the runtimes for this test are non-deterministic since they > are affected by deadlock retries, and their pattern is unpredictable on > most systems.
Does the hybrid mutex performance fix in db 4.6.21 solve this problem? -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
