From: Frank Ch. Eigler <fche@redhat.com>
Date: Mon, 25 Nov 2019 21:47:18 +0000 (-0500)
Subject: debuginfod: Tweak groom cycle for memory freeing
X-Git-Tag: elfutils-0.178~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5311b6bd2d412384a0407a9e19fcfed0df0e92bf;p=thirdparty%2Felfutils.git

debuginfod: Tweak groom cycle for memory freeing

Use the sqlite3_db_release_memory() call periodically.  It should
have no effect except hopefully smaller server memory usage.

Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
---

diff --git a/debuginfod/ChangeLog b/debuginfod/ChangeLog
index a1d17b5f9..4df45d83e 100644
--- a/debuginfod/ChangeLog
+++ b/debuginfod/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-25  Frank Ch. Eigler  <fche@redhat.com>
+
+	* debuginfod.cxx (groom): Add a sqlite3_db_release_memory()
+	at the end of periodic grooming to try to shrink the process.
+
 2019-11-24  Mark Wielaard  <mark@klomp.org>
 
 	* debuginfod.cxx (test_webapi_sleep): Removed.
diff --git a/debuginfod/debuginfod.cxx b/debuginfod/debuginfod.cxx
index cb0e1f3bf..aa7ffcf66 100644
--- a/debuginfod/debuginfod.cxx
+++ b/debuginfod/debuginfod.cxx
@@ -2357,6 +2357,8 @@ void groom()
 
   database_stats_report();
 
+  sqlite3_db_release_memory(db); // shrink the process if possible
+
   gettimeofday (&tv_end, NULL);
   double deltas = (tv_end.tv_sec - tv_start.tv_sec) + (tv_end.tv_usec - tv_start.tv_usec)*0.000001;