On November 6, 2015 9:31:37 PM GMT+01:00, Jesper Pedersen
>I have been testing this on a smaller system than yours - 2 socket
>Intel(R) Xeon(R) CPU E5-2683 v3 w/ 2 x RAID10 SSD disks (data + xlog),
>so focused on a smaller number of clients.
Thanks for running tests!
>While I saw an improvement for the 'synchronous_commit = on' case -
>there is a small regression for 'off', using -M prepared + Unix Domain
>Socket. If that is something that should be considered right now.
What tests where you running, in which order? I presume it's a read/write
pgbench? What scale, shared buffers?
I right now can't see any reason sc on/off should be relevant for the patch.
Could it be an artifact of the order you ran tests in?
Did you initdb between tests? Pgbench -i? Restart the database?
Please excuse brevity and formatting - I am writing this on my mobile phone.
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