Affects Version/s: Lustre 2.9.0
Fix Version/s: Lustre 2.9.0
sanity test 255a fails with
where the percentage values differ for each failure.
From one of the test failures, we can see that using the WILLREAD advice does not help with read and, for this test, does not out perform the benefits of reading from cache
For this test, we are comparing the speed up gained with the WILLREAD advice versus (half) the benefit of reading from cache:
So, the expected speed up of the willread advice to ladvise is not as great as expected.
The WILLREAD hint was added with patch http://review.whamcloud.com/#/c/12458
Logs for recent failures are at
Info required for matching: sanity 255a