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Thanks Joshua, So what about putting the indexes on a separate array? Since we do a lot of inserts indexes are going to be worked on a lot of the time. Regards, Christiaan Joshua D. Drake wrote: > Christiaan Willemsen wrote: >> So, what you are basically saying, is that a single mirror is in >> general more than enough to facilitate the transaction log. > > http://www.commandprompt.com/blogs/joshua_drake/2008/04/is_that_performance_i_smell_ext2_vs_ext3_on_50_spindles_testing_for_postgresql/ > > http://wiki.postgresql.org/wiki/HP_ProLiant_DL380_G5_Tuning_Guide > > And to answer your question, yes. Transaction logs are written > sequentially. You do not need a journaled file system and raid 1 is > plenty for most if not all work loads. > > Sincerely, > > Joshua D. Drake >
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