mirrors/mongodb
mirrors/mongodb
0
0
Fork 0
mirror of https://github.com/mongodb/mongo.git synced 2024-12-01 09:32:32 +01:00
Code Issues Releases Activity

Warn on startup if using journaling and overcommit_memory is disabled SERVER-3489

Browse Source
This commit is contained in:
Mathias Stearn 2011-08-01 19:11:52 -04:00
parent 02c6910265
commit 4f8df957c4
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
util/version.cpp
View File

@ -27,6 +27,7 @@
#include "../db/jsobj.h"
#include "file.h"
#include "ramlog.h"
#include "../db/cmdline.h"
namespace mongo {
@ -190,6 +191,18 @@ namespace mongo {
}
}
}
if (cmdLine.dur){
fstream f ("/proc/sys/vm/overcommit_memory", ios_base::in);
unsigned val;
f >> val;
if (val == 2) {
log() << startupWarningsLog;
log() << "** WARNING: /proc/sys/vm/overcommit_memory is " << val << startupWarningsLog;
log() << "** Journaling works best with it set to 0 or 1" << startupWarningsLog;
}
}
#endif
if (warned) {