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osd: bluestore: fix space rebalancing, collection split, buffered reads #7196

Merged
merged 11 commits into from
Jan 14, 2016
Merged

osd: bluestore: fix space rebalancing, collection split, buffered reads #7196

merged 11 commits into from
Jan 14, 2016

Commits on Jan 11, 2016

  1. os/bluestore: base initial bluefs allocation on min_alloc_ratio 

    Simplify config, and avoid immediate gift or reclaim when it doesn't match.

Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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  2. os/bluestore/BlueFS: add reclaim_blocks interface 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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  3. os/bluestore: simplify rebalance_freespace 

    - simplify tunables (min/max ratio of freespace between bluefs vs bluestore)
- add reclaim support

Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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  4. os/bluestore: fix split_collection to persist cnode 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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  5. os/kstore: fix split_collection to persist cnode 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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  6. os/memstore: fix fiemap 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 11, 2016
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Commits on Jan 13, 2016

  1. os/bluestore: add flag to make reads default to buffered 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 13, 2016
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  2. unittest_rocksdb_option_static: fix signed/unsigned warnings 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 13, 2016
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  3. os/bluestore/BlockDevice: disable readahead of fd_buffered 

    Readahead can break our mix of aio/dio and buffered io.  Although the
dio path will invalidate pages before and after initiating the IO, and we
do not issue racing buffered reads, the readahead code might.  That would
result in pages in the page cache that are not coherent with an aio write.

This is easy to reproduce with ceph_test_objectstore's Synthetic case
when bluestore_default_buffered_read=true.

Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 13, 2016
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  4. os/bluestore: use auto for freelist map type 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 13, 2016
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Commits on Jan 14, 2016

  1. os/bluestore/FreelistManager: fix _dump locking 

    Signed-off-by: Sage Weil <sage@redhat.com>
    @liewegas
    liewegas committed Jan 14, 2016
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