arp7 commented on issue #578: HDDS-3053. Decrease the number of the chunk writer threads URL: https://github.com/apache/hadoop-ozone/pull/578#issuecomment-600788099 Can we make it a data driven decision? I looked at the linked document. I didn't understand the test methodology. E.g. when you say _60 thread / spinning disk_, is that 60 chunk executor threads or 60 client threads? If we don't have full asynchronous IO - and I don't think we do - then we do need multiple threads per volume to keep more IOs in flight.
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