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ceph/qa/suites/rbd/pwl-cache/tmpfs/5-cache-mode/rwl.yaml

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qa/suites/rbd: place cache file on tmpfs for xfstests The RWL mode needs DAX and is dog slow otherwise -- qemu_xfstests.yaml job always hits the 6 hour max_job_time limit. As our tmpfs instance is limited and qemu_xfstests.yaml opens three images at the same time, reduce the "big cache" size to 5G. This facet was added to iron out 32-bit head/tail pointer issues and 5G still does the job there. Going through the loop device is needed because tmpfs doesn't support O_DIRECT. Fixes: https://tracker.ceph.com/issues/55400 Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2022-04-24 15:30:49 +00:00
overrides:
ceph:
conf:
client:
rbd_persistent_cache_mode: rwl