From 6f2f8cdc6a6fa64928fd2d5459b4974e281d857e Mon Sep 17 00:00:00 2001
From: Mark Nelson <mnelson@redhat.com>
Date: Thu, 21 Sep 2017 17:21:16 -0500
Subject: [PATCH] common/options.cc: Set Filestore rocksdb compaction readahead
 option.

fixes: http://tracker.ceph.com/issues/21505

Signed-off-by: Mark Nelson <mnelson@redhat.com>
(cherry picked from commit 66567e573836c570040c8d8148c34b0cf9dc9ce2)
---
 src/common/options.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/options.cc b/src/common/options.cc
index 4480f2ed308cd..de6dc10974a23 100644
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -3650,7 +3650,7 @@ std::vector<Option> get_global_options() {
     // filestore
 
     Option("filestore_rocksdb_options", Option::TYPE_STR, Option::LEVEL_ADVANCED)
-    .set_default("")
+    .set_default("compaction_readahead_size=2097152")
     .set_description(""),
 
     Option("filestore_omap_backend", Option::TYPE_STR, Option::LEVEL_ADVANCED)
-- 
2.39.5