Are you concurrently accessing same directories from multiple nodes? If so, re-arrange the access pattern so each node is accessing independent subtrees. Otherwise you'll have massive lock churn and very poor latencies.
Gordan
"Alan A" <alan.zg@xxxxxxxxx> wrote:
>We are trying to deploy GFS in production, and are experiencing major
>performance issues. What parameters in GFS settune can be changed to
>increase I/O, to better tune performance? Application we run utilizes a lot
>of I/O, please advise.
>
>We experience OK performance when starting, but as things ramp up and we get
>few processes going GFS slows dramatically.
>
>--
>Alan A.
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