X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fdoc%2Fman%2F8%2Frbd-replay.rst;fp=src%2Fceph%2Fdoc%2Fman%2F8%2Frbd-replay.rst;h=74b8018f5674da9f4ae931db564f80092ba21976;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/doc/man/8/rbd-replay.rst b/src/ceph/doc/man/8/rbd-replay.rst new file mode 100644 index 0000000..74b8018 --- /dev/null +++ b/src/ceph/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 http://ceph.com/docs for more information. + + +See also +======== + +:doc:`rbd-replay-prep `\(8), +:doc:`rbd `\(8)