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