Description of problem: ======================= Marked performance benefits are seen if we enable cluster.eager-lock and performance.client-io-threads. This would require changing the 'gluster-block' group volume set option - which presently disables both the parameters mentioned above. References: https://bugzilla.redhat.com/show_bug.cgi?id=1491785 https://bugzilla.redhat.com/show_bug.cgi?id=1560475 Version-Release number of selected component (if applicable): ========================================================== gluster-block-0.2.1-7 How reproducible: ================ Always Additional info: =============== gluster v info du[root@dhcp47-50 ~]# gluster v info dummy Volume Name: dummy Type: Replicate Volume ID: b1a342ac-02c1-4123-b21e-c3677cd8a6dd Status: Created Snapshot Count: 0 Number of Bricks: 1 x 3 = 3 Transport-type: tcp Bricks: Brick1: 10.70.47.50:/bricks/brick1/dummy0 Brick2: 10.70.47.5:/bricks/brick1/dummy1 Brick3: 10.70.47.55:/bricks/brick1/dummy2 Options Reconfigured: server.allow-insecure: on user.cifs: off features.shard-block-size: 64MB features.shard: on cluster.shd-wait-qlength: 10000 cluster.shd-max-threads: 8 cluster.locking-scheme: granular cluster.data-self-heal-algorithm: full cluster.quorum-type: auto cluster.eager-lock: disable network.remote-dio: disable performance.strict-o-direct: on performance.readdir-ahead: off performance.open-behind: off performance.stat-prefetch: off performance.io-cache: off performance.read-ahead: off performance.quick-read: off transport.address-family: inet nfs.disable: on performance.client-io-threads: off [root@dhcp47-50 ~]#
REVISION POSTED: https://review.gluster.org/19913 (block-profile: enable cluster.eager-lock in block-profile) posted (#2) for review on master by Pranith Kumar Karampuri
Sweta, Could you give QE-ack for this bug?
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2018:2607