Increase max files open limit for OSD daemon.

Under heavy load the number of file descriptors opened
by the OSD can go beyond the 64K file limit. This patch
increases the default to 128K.

Signed-off-by: Owen Synge <osynge@suse.com>
 (cherry picked from commit ebda4ba1c67172852587e47a8e6fb538809a1b1c)

diff --git a/systemd/ceph-osd@.service b/systemd/ceph-osd@.service
index 6e27b91dd24da76d93317af30592bf18c2ad363f..09f51c5938bf5b5163df7193e780a7eff7358639 100644 (file)
--- a/systemd/ceph-osd@.service
+++ b/systemd/ceph-osd@.service
@@ -9,6 +9,7 @@ EnvironmentFile=-/etc/sysconfig/ceph
 Environment=CLUSTER=ceph
 ExecStart=/usr/bin/ceph-osd -f --cluster ${CLUSTER} --id %i
 ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh --cluster ${CLUSTER} --id %i
+LimitNOFILE=131072
 
 [Install]
 WantedBy=ceph.target