qihongxu commented on issue #2633: ARTEMIS-2317 Avoid long TTSP caused by 
Page::read using mmap read
URL: https://github.com/apache/activemq-artemis/pull/2633#issuecomment-487467777
 
 
   @franz1981 Thanks for your reply! I have updated test results as we changed 
message size from 4k to 12k and 50k (keep msg_size between os_pagesize and 
largeMsg_threshold). It started to show a 10-20% differences in tps between two 
versions' consumer.
   
   
     | Msg size 4k | Msg size 12k | Msg size 50k
   -- | -- | -- | --
   Without patch | 15.0k | 7.0k | 1.7k
   With patch | 14.5k | 8.7k | 2.0k
   
   
   > @qihongxu just curious: which value have you configured for 
page-max-concurrent-io?
   
   We just let it remain default to 5.

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