ceph/PendingReleaseNotes

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v0.83
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* The experimental keyvaluestore-dev OSD backend had an on-disk format
change that prevents existing OSD data from being upgraded. This
affects developers and testers only.
* mon-specific and osd-specific leveldb options have been removed.
From this point onward users should use 'leveldb_' generic options and add
the options in the appropriate sections of their configuration files.
Monitors will still maintain the following monitor-specific defaults:
leveldb_write_buffer_size = 32*1024*1024 = 33554432 // 32MB
leveldb_cache_size = 512*1024*1204 = 536870912 // 512MB
leveldb_block_size = 64*1024 = 65536 // 64KB
leveldb_compression = false
leveldb_log = ""
OSDs will still maintain the following osd-specific defaults:
leveldb_log = ""