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ceph-ansible
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Add more option to maximise sequential IO 

Using the largeio,inode64,swalloc options usually improves sequential
workloads.

Signed-off-by: Sébastien Han <sebastien.han@enovance.com>
pull/183/head
Sébastien Han 2015-01-15 10:54:08 +01:00
parent 8c6cba4307
commit e9360456f0
1 changed files with 5 additions and 1 deletions
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6
roles/ceph-common/defaults/main.yml
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@ -79,13 +79,16 @@ cluster_network: 192.168.42.0/24
public_network: 192.168.42.0/24 public_network: 192.168.42.0/24
osd_mkfs_type: xfs osd_mkfs_type: xfs
osd_mkfs_options_xfs: -f -i size=2048 osd_mkfs_options_xfs: -f -i size=2048
osd_mount_options_xfs: noatime osd_mount_options_xfs: noatime,largeio,inode64,swalloc
osd_mon_heartbeat_interval: 30 osd_mon_heartbeat_interval: 30
# CRUSH # CRUSH
pool_default_crush_rule: 0 pool_default_crush_rule: 0
osd_crush_update_on_start: "true" osd_crush_update_on_start: "true"
# Object backend # Object backend
osd_objectstore: filestore osd_objectstore: filestore
# Performance tuning # Performance tuning
filestore_merge_threshold: 40 filestore_merge_threshold: 40
filestore_split_multiple: 8 filestore_split_multiple: 8
@ -93,6 +96,7 @@ osd_op_threads: 8
filestore_op_threads: 8 filestore_op_threads: 8
filestore_max_sync_interval: 5 filestore_max_sync_interval: 5
osd_max_scrubs: 1 osd_max_scrubs: 1
# Recovery tuning # Recovery tuning
osd_recovery_max_active: 5 osd_recovery_max_active: 5
osd_max_backfills: 2 osd_max_backfills: 2