1 files changed, 6 insertions, 0 deletions
diff --git a/util/log.h b/util/log.h
index d5c7e55..660bfbe 100644
--- a/util/log.h
+++ b/util/log.h
@@ -507,6 +507,12 @@ namespace mongo {
                 int x = errno;
                 cout << "Failed to write to logfile: " << errnoWithDescription(x) << ": " << out << endl;
             }
+
+#ifdef POSIX_FADV_DONTNEED
+            // This only applies to pages that have already been flushed
+            RARELY posix_fadvise(fileno(logfile), 0, 0, POSIX_FADV_DONTNEED);
+#endif
+
         }
         _init();
     }