mon/Paxos: compact on trim

Compact the paxos keys when we trim old paxos states.

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

diff --git a/src/mon/Paxos.cc b/src/mon/Paxos.cc
index 46eaf88273d694254d31e68da7a4cd137f686c2b..f306a8bf296f3d1f743a357f34ba945aa3b27482 100644 (file)
--- a/src/mon/Paxos.cc
+++ b/src/mon/Paxos.cc
@@ -974,6 +974,10 @@ void Paxos::trim_to(MonitorDBStore::Transaction *t,
     t->erase(get_name(), from);
     from++;
   }
+  if (g_conf->mon_compact_on_trim) {
+    dout(10) << " compacting prefix" << dendl;
+    t->compact_prefix(get_name());
+  }
 }
 
 void Paxos::trim_to(MonitorDBStore::Transaction *t, version_t first)