FWIW, just did an upgrade on some systems.
All preices machines, all were running -39
Upgraded to -48, this bug appeared.
Rolled back the clients only to -39, bug disappeared.
Site is a semi heavy web service with 1 NFS server, and 2 NFS clients running nginx/php.
Issue was seen almost immediately upon nginx/php starting up, lots of threads got stuck, load went up due to high I/O wait.
fstab: 10.1.2.3:/www /data/www nfs defaults 0 0 exports: /data/shared 10.1.2.0/24(rw,fsid=0,insecure,no_subtree_check,async,no_root_squash) /data/shared/www 10.1.2.0/24(rw,nohide,insecure,no_subtree_check,async,no_root_squash)
FWIW, just did an upgrade on some systems.
All preices machines, all were running -39
Upgraded to -48, this bug appeared.
Rolled back the clients only to -39, bug disappeared.
Site is a semi heavy web service with 1 NFS server, and 2 NFS clients running nginx/php.
Issue was seen almost immediately upon nginx/php starting up, lots of threads got stuck, load went up due to high I/O wait.
fstab: 0/24(rw, fsid=0, insecure, no_subtree_ check,async, no_root_ squash) 0/24(rw, nohide, insecure, no_subtree_ check,async, no_root_ squash)
10.1.2.3:/www /data/www nfs defaults 0 0
exports:
/data/shared 10.1.2.
/data/shared/www 10.1.2.