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jewel: fs: fuse mounted file systems fails SAMBA CTDB ping_pong rw test with v9.0.2 #10108
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When multiple clients read/write to a file at the same time, we need to disable cache and let reads/writes go to OSDs. In ceph-fuse case, there are two caches, one is in ceph-fuse, another one is in kernel. We can't disable/enable the kernel cache dynamically. So adding an config option to completely disable kernel cache. Disabling kernel cache may reduce performance, so option is disabled by default. Fixes: 12653 Signed-off-by: Yan, Zheng <zyan@redhat.com> (cherry picked from commit 0f11ec2) Conflicts: src/common/config_opts.h follow the content in patchset, set fuse_use_invalidate_cb to True. Which is also the backport for http://tracker.ceph.com/issues/15634
@xiaoxichen I'm setting milestone jewel since this is targeting jewel really. If that's a mistake please let me know. |
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
@jcsp does this backport look good to merge ? It passed the fs suite http://tracker.ceph.com/issues/16344#note-21 (except for unrelated valgrind failures and one transient failure that is, I believe, unrelated ). |
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
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…BA CTDB ping_pong rw test with v9.0.2 Reviewed-by: Loic Dachary <ldachary@redhat.com>
@dachary, I'll sign-off on this since John's on vacation another week. |
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jewel: fuse mounted file systems fails SAMBA CTDB ping_pong rw test with v9.0.2
jewel: fs: fuse mounted file systems fails SAMBA CTDB ping_pong rw test with v9.0.2
Aug 25, 2016
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http://tracker.ceph.com/issues/16320