Merge pull request ceph#63258 from Matan-B/wip-matanb-crimson-tentacle-63138

tentacle: crimson: bump defaults to be more appropriate

Reviewed-by: Yingxin Cheng <[email protected]>

Author: Matan-B

qa/config/crimson_qa_overrides.yaml

@@ -10,6 +10,8 @@ overrides:
       osd:
         crimson osd obc lru size: 10
         debug ms: 20
+        seastore cache lru size: 64M
+        seastore max concurrent transactions: 8
     flavor: crimson
   workunit:
     env:

src/common/options/crimson.yaml.in

@@ -150,8 +150,8 @@ options:
 - name: seastore_cache_lru_size
   type: size
   level: advanced
-  desc: Size in bytes of extents to keep in cache.
-  default: 64_M
+  desc: Size in bytes of extents to keep in cache (per reactor).
+  default: 2_G
 - name: seastore_obj_data_write_amplification
   type: float
   level: advanced
@@ -162,8 +162,8 @@ options:
 - name: seastore_max_concurrent_transactions
   type: uint
   level: advanced
-  desc: maximum concurrent transactions that seastore allows
-  default: 8
+  desc: maximum concurrent transactions that seastore allows (per reactor)
+  default: 128
 - name: seastore_main_device_type
   type: str
   level: dev