Experiment with DB->compact() to reduce the size of database files on disk when possible.

[citadel.git] / citadel / database.c

diff --git a/citadel/database.c b/citadel/database.c
index fcb82d2e5eecadbb6a155edfc258f4aac42a701a..4bd685d66f6d6d752c531f73eb31a815f5f4c132 100644 (file)
--- a/citadel/database.c
+++ b/citadel/database.c
@@ -861,6 +861,25 @@ void cdb_trunc(int cdb)
 }
 
 
+/*
+ * compact (defragment) the database , possibly returning space back to the underlying filesystem
+ */
+void cdb_compact(void)
+{
+       int ret;
+       int i;
+
+       syslog(LOG_DEBUG, "db: cdb_compact() started");
+       for (i = 0; i < MAXCDB; i++) {
+               syslog(LOG_DEBUG, "db: compacting database %d", i);
+               ret = dbp[i]->compact(dbp[i], NULL, NULL, NULL, NULL, DB_FREE_SPACE, NULL);
+               if (ret) {
+                       syslog(LOG_ERR, "db: compact: %s", db_strerror(ret));
+               }
+       }
+       syslog(LOG_DEBUG, "db: cdb_compact() finished");
+}
+
 
 // Has an item already been seen (is it in the CDB_USETABLE) ?
 // Returns 0 if it hasn't, 1 if it has