os/bluestore: 2q by default

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index f85c2e386140a44f6985ef351ff3847da0d7618c..854d834e1f3d6db7dc60cd8e56be96ec129e075f 100644 (file)
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -964,7 +964,7 @@ OPTION(bluestore_compression, OPT_STR, "none")  // force|aggressive|passive|none
 OPTION(bluestore_compression_algorithm, OPT_STR, "snappy")
 OPTION(bluestore_compression_min_blob_size, OPT_U32, 256*1024)
 OPTION(bluestore_compression_max_blob_size, OPT_U32, 4*1024*1024)
-OPTION(bluestore_cache_type, OPT_STR, "lru")
+OPTION(bluestore_cache_type, OPT_STR, "2q")   // lru, 2q
 OPTION(bluestore_onode_cache_size, OPT_U32, 16*1024)
 OPTION(bluestore_buffer_cache_size, OPT_U32, 256*1024*1024)
 OPTION(bluestore_cache_tails, OPT_BOOL, true)   // cache tail blocks in Onode