options: Add desc and flags to "rocksdb_cache_shard_bits"

It is needed for docs to be properly reference options.

Signed-off-by: Adam Kupczyk <akupczyk@ibm.com>

diff --git a/src/common/options/global.yaml.in b/src/common/options/global.yaml.in
index 5e583932b4c9c178f3351c89a7ac4f639e907ffd..9343132d11015ffdc5ae9a7f6e8b3087e853e4e0 100644 (file)
--- a/src/common/options/global.yaml.in
+++ b/src/common/options/global.yaml.in
@@ -3508,10 +3508,14 @@ options:
   with_legacy: true
 # rocksdb block cache shard bits, 4 bit -> 16 shards
 - name: rocksdb_cache_shard_bits
+  desc: Specifies the number of shards by designating the number of significant bits in hash keys.
+    4 bits -> 16 shards.
   type: int
   level: advanced
   default: 4
   with_legacy: true
+  flags:
+  - startup
 # 'lru' or 'clock'
 - name: rocksdb_cache_type
   type: str