jmerkey wrote:
Nick Piggin wrote:
Jeff V. Merkey wrote:
Verified. These numbers reflect my measurements as well. I have not
moved off 2.6.9 to newer kernels on shipping products due to these
issues. There are also serious stability issues as well, though
2.6.14 seems a little better than than previous kernels. Jeff
These issues aren't going to fix themselves. Did you investigate
any of the performance or (more importantly) stability problems?
Added a little more clarification.
Jeff
Yes I did. The list wasn't too long. I had problems with RCU messages
and irq warn messages at very high loads and init respawning itself
subjected to loads > 369 MB/S to the disk channels on 2.6.13.
Performance was down on disk I/O [vs.] 2.6.9. I did not investigate
the BIO fixes but something changed there. Theres also some memory
problems with corruption somewhere in the 2.6.14 (during module unload
and shutdown).
Jeff
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