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ESX 3.5 Update 1 gets benchmarked!








See it all here and they mentioned also how they got those high figures:

Tuning for Performance

You might be wondering what parameters we tuned to obtain this kind of performance. The answer will surprise most: we tuned only three parameters to obtain 100,000+ IOPS.

  • We increased the VMFS3 max heap size from 16MB to 64MB (KB article # 1004424).
  • We changed the storage processor’s cache high/low watermark from 80/60 to 40/20. This was done to write the dirty pages in storage cache more often so that Iometer write operations do not wait for free memory buffers.
  • We increased the guest queue length to 100 to make sure that the guest was capable of queuing all the I/O accesses generated by Iometer to the test disks.
Don't go on benchmarking your production, or wait!... actually do it and post your results!

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