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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /doc/man/8/rbd-replay.rst | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/man/8/rbd-replay.rst')
-rw-r--r-- | doc/man/8/rbd-replay.rst | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/doc/man/8/rbd-replay.rst b/doc/man/8/rbd-replay.rst new file mode 100644 index 000000000..aeb29562c --- /dev/null +++ b/doc/man/8/rbd-replay.rst @@ -0,0 +1,78 @@ +:orphan: + +========================================================= + rbd-replay -- replay rados block device (RBD) workloads +========================================================= + +.. program:: rbd-replay + +Synopsis +======== + +| **rbd-replay** [ *options* ] *replay_file* + + +Description +=========== + +**rbd-replay** is a utility for replaying rados block device (RBD) workloads. + + +Options +======= + +.. option:: -c ceph.conf, --conf ceph.conf + + Use ceph.conf configuration file instead of the default /etc/ceph/ceph.conf to + determine monitor addresses during startup. + +.. option:: -p pool, --pool pool + + Interact with the given pool. Defaults to 'rbd'. + +.. option:: --latency-multiplier + + Multiplies inter-request latencies. Default: 1. + +.. option:: --read-only + + Only replay non-destructive requests. + +.. option:: --map-image rule + + Add a rule to map image names in the trace to image names in the replay cluster. + A rule of image1@snap1=image2@snap2 would map snap1 of image1 to snap2 of image2. + +.. option:: --dump-perf-counters + + **Experimental** + Dump performance counters to standard out before an image is closed. + Performance counters may be dumped multiple times if multiple images are closed, + or if the same image is opened and closed multiple times. + Performance counters and their meaning may change between versions. + + +Examples +======== + +To replay workload1 as fast as possible:: + + rbd-replay --latency-multiplier=0 workload1 + +To replay workload1 but use test_image instead of prod_image:: + + rbd-replay --map-image=prod_image=test_image workload1 + + +Availability +============ + +**rbd-replay** is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to +the Ceph documentation at https://docs.ceph.com for more information. + + +See also +======== + +:doc:`rbd-replay-prep <rbd-replay-prep>`\(8), +:doc:`rbd <rbd>`\(8) |