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os/bluestore: bluestore_cache_meta_ratio = .5 #11919

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merged 2 commits into from Nov 14, 2016
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os/bluestore: bluestore_cache_meta_ratio = .5 #11919

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os/bluestore: bluestore_cache_meta_ratio = .5
liewegas Nov 11, 2016
1c6455e
os/bluestore: precondition enough to write two 256mb buffers
liewegas Nov 14, 2016
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4 changes: 2 additions & 2 deletions src/common/config_opts.h
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Expand Up @@ -999,7 +999,7 @@ OPTION(bluestore_block_wal_path, OPT_STR, "")
OPTION(bluestore_block_wal_size, OPT_U64, 96 * 1024*1024) // rocksdb wal
OPTION(bluestore_block_wal_create, OPT_BOOL, false)
OPTION(bluestore_block_preallocate_file, OPT_BOOL, false) //whether preallocate space if block/db_path/wal_path is file rather that block device.
OPTION(bluestore_precondition_bluefs, OPT_U64, 128*1024*1024) // write this much data at mkfs
OPTION(bluestore_precondition_bluefs, OPT_U64, 512*1024*1024) // write this much data at mkfs
OPTION(bluestore_precondition_bluefs_block, OPT_U64, 1048576)
OPTION(bluestore_csum_type, OPT_STR, "crc32c") // none|xxhash32|xxhash64|crc32c|crc32c_16|crc32c_8
OPTION(bluestore_csum_min_block, OPT_U32, 4096)
Expand Down Expand Up @@ -1031,7 +1031,7 @@ OPTION(bluestore_cache_type, OPT_STR, "2q") // lru, 2q
OPTION(bluestore_2q_cache_kin_ratio, OPT_DOUBLE, .5) // kin page slot size / max page slot size
OPTION(bluestore_2q_cache_kout_ratio, OPT_DOUBLE, .5) // number of kout page slot / total number of page slot
OPTION(bluestore_cache_size, OPT_U64, 1024*1024*1024)
OPTION(bluestore_cache_meta_ratio, OPT_DOUBLE, .1)
OPTION(bluestore_cache_meta_ratio, OPT_DOUBLE, .5)
OPTION(bluestore_kvbackend, OPT_STR, "rocksdb")
OPTION(bluestore_allocator, OPT_STR, "bitmap") // stupid | bitmap
OPTION(bluestore_freelist_type, OPT_STR, "bitmap") // extent | bitmap
Expand Down