leveldb: add compact() method

This will compact the entire store; it will be slow!

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

diff --git a/src/mon/MonitorDBStore.h b/src/mon/MonitorDBStore.h
index ac2703ec5e65965c72c38038a2d7ca905a265d6d..b14c5aaae46aa0f7f54123ea5b0d592b9d9123e1 100644 (file)
--- a/src/mon/MonitorDBStore.h
+++ b/src/mon/MonitorDBStore.h
@@ -456,6 +456,10 @@ class MonitorDBStore
     return db->create_and_open(out);
   }
 
+  void compact() {
+    db->compact();
+  }
+
   MonitorDBStore(const string& path) : db(0) {
     string::const_reverse_iterator rit;
     int pos = 0;

diff --git a/src/os/LevelDBStore.h b/src/os/LevelDBStore.h
index 6b1afceb75377d10f104095aa15914feac427afb..9f8cd52ca9c758b0dbdcf62456d5421a14b801af 100644 (file)
--- a/src/os/LevelDBStore.h
+++ b/src/os/LevelDBStore.h
@@ -33,6 +33,11 @@ class LevelDBStore : public KeyValueDB {
   int init(ostream &out, bool create_if_missing);
 
 public:
+  /// compact the underlying leveldb store
+  void compact() {
+    db->CompactRange(NULL, NULL);
+  }
+
   /**
    * options_t: Holds options which are minimally interpreted
    * on initialization and then passed through to LevelDB.