OPTION(bluestore_onode_map_size, OPT_U32, 1024) // onodes per collection
OPTION(bluestore_cache_tails, OPT_BOOL, true) // cache tail blocks in Onode
OPTION(bluestore_backend, OPT_STR, "rocksdb")
-OPTION(bluestore_rocksdb_options, OPT_STR, "compression=kNoCompression,max_write_buffer_number=16,min_write_buffer_number_to_merge=6,recycle_log_file_num=16")
+OPTION(bluestore_rocksdb_options, OPT_STR, "compression=kNoCompression,max_write_buffer_number=16,min_write_buffer_number_to_merge=3,recycle_log_file_num=16")
OPTION(bluestore_fsck_on_mount, OPT_BOOL, false)
OPTION(bluestore_fail_eio, OPT_BOOL, true)
OPTION(bluestore_sync_io, OPT_BOOL, false) // perform initial io synchronously
OPTION(bluestore_fid_prealloc, OPT_INT, 1024)
OPTION(bluestore_nid_prealloc, OPT_INT, 1024)
OPTION(bluestore_overlay_max_length, OPT_INT, 65536)
-OPTION(bluestore_overlay_max, OPT_INT, 32)
+OPTION(bluestore_overlay_max, OPT_INT, 0)
OPTION(bluestore_open_by_handle, OPT_BOOL, true)
OPTION(bluestore_o_direct, OPT_BOOL, true)
OPTION(bluestore_aio, OPT_BOOL, true)