Disk performance for Data Center shared homes

Hi,

My Jira & Confluence DC nodes are very slow with no user connected, pages can take several seconds to display.

I tried to analyse the disk performance on my linux VMs and was redirected to https://confluence.atlassian.com/kb/testing-disk-access-speed-for-a-java-application-818577561.html by Atlassian support.

The problem is that the shared home directory is a NFS shared disk on each cluster nodes so it can't have the same performance as a local disk.

The results I have are :

Benchmark: RandomAccessFile

TOTALS
────────────────────────────────────────────────────────────────────────────────
stat avg median tmin tmax
────────────────────────────────────────────────────────────────────────────────
open 1,761,813 763,637 470,733 102,386,127
────────────────────────────────────────────────────────────────────────────────
r/w 19,746 16,230 7,317 236,447
────────────────────────────────────────────────────────────────────────────────
close 878,427 426,411 263,622 55,607,967
────────────────────────────────────────────────────────────────────────────────
delete 957,823 457,462 277,536 56,907,399
────────────────────────────────────────────────────────────────────────────────
All times are in nanoseconds.

Are these results ok for Jira/Confluence nodes or do I have really poor NFS disks ?

Thanks,

Eddy

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