From: Sage Weil <sage@redhat.com>
Date: Tue, 1 Jul 2014 00:54:58 +0000 (-0700)
Subject: osd: allow osd map cache size to be adjusted at runtime
X-Git-Tag: v0.84~157^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F2036%2Fhead;p=ceph.git

osd: allow osd map cache size to be adjusted at runtime

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

diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index d3b496f69a6c9..b396e12366e41 100644
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -8383,6 +8383,11 @@ void OSD::handle_conf_change(const struct md_config_t *conf,
       changed.count("osd_disk_thread_ioprio_priority")) {
     set_disk_tp_priority();
   }
+  if (changed.count("osd_map_cache_size")) {
+    service.map_cache.set_size(cct->_conf->osd_map_cache_size);
+    service.map_bl_cache.set_size(cct->_conf->osd_map_cache_size);
+    service.map_bl_inc_cache.set_size(cct->_conf->osd_map_cache_size);
+  }
 
   check_config();
 }