have you tried toggling tcp_nodelay?
-pete

-- peter royal - (on the go)


On Jul 1, 2007, at 2:25 PM, "Colin Koeck" <[EMAIL PROTECTED]> wrote:

Hi, I've been experiencing intermittent latency with mina, generally causing 37-40 millisecond delays.

This occurs when I said large amounts of small messages (usually in 5 - 20 count bursts, each message no more than 500 bytes) across a 100Mbit ethernet network. I'm using Linux running on dual-core 2.2 GHz AMD Opteron machines.

I've found users having similiar problems with other software (39 ms delays), in this case ActiveMQ http://www.nabble.com/High-latency-for-small-messages-problem-t3159901.html , which leads me to believe this is not directly related to mina.

I have mina setup with SimpleByteBuffer allocating non-direct memory. I'm pretty sure this isn't a direct problem with mina, but I'm curious if anyone has experienced this problem with mina, and if there is anyway to resolve this issue. I would appreciate any help, thanks!

- Colin Koeck
<mailto:[EMAIL PROTECTED]>

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