Differential D10012
Reduce ARC fragmentaion threshold Authored by smh on Mar 15 2017, 12:40 PM. Tags None Referenced Files
Details
As ZFS can request up to SPA_MAXBLOCKSIZE memory block e.g. during zfs recv, update the threshold at which we start agressive reclamation to use SPA_MAXBLOCKSIZE (16M) instead of the lower zfs_max_recordsize which defaults to 1M. This was reported here:
Diff Detail
Event TimelineComment Actions I have no objections. It may be too aggressive if fragmentation was somehow caused not by ZFS, but any way I don't know any other place in system which would bother to do this, while I know other places that suffer quietly from fragmentation. |