[ZODB-Dev] Experiences with Relstorage performance for setups with heavy writes
Shane Hathaway
shane at hathawaymix.org
Wed Sep 17 15:48:48 EDT 2008
Dieter Maurer wrote:
> Andreas Jung wrote at 2008-9-12 10:31 +0200:
>> anyone having experiences with the performance of Relstorage on Zope
>> installations which heavy parallel writes (which is often a bottleneck).
>> Does Relstorage provide any significant advantages over ZEO.
>
> As "Relstorage" emulates "FileStorage" behaviour for writes/commits,
> using the same storage global lock, you should not see a significant
> change. Maybe, writing the "log" temporary file is avoided.
Agreed; I grabbed the ZEO/FileStorage commit algorithm and used it
without significant changes in RelStorage. If there are any performance
differences, they are due to optimizations in coding, networking, etc.
Shane
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