Ticket #221 (new bugs)

Opened 12 years ago

df on chimera NFS server is slow

Reported by: tigran Owned by: tigran
Priority: minor Milestone:
Component: pnfs/chimera Keywords:
Cc: Sub Version:

Description

<URL: http://www.dcache.org/rt/Ticket/Display.html?id=4398 >

Severity: wishlist

It is rather annoying that df takes rather long to run when you have chimera nfs mounted on a host. This also means that things like ganglia graphing the free space on filesystems will also add to the DB load since chimera nfs server just issues sum+count to the DB (as I understand it).

In my opinion statvfs values don't have to be very precise, so a caching strategy here might be useful - on a big system it is unlikely that the values will have changed significantly in the last 10 minutes.

/Mattias Wadenstein

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