Changeset: 30efba37da23 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=30efba37da23
Modified Files:
gdk/gdk_utils.c
Branch: configurable_working_set
Log Message:
Add Windows specific working set configuration.
diffs (36 lines):
diff --git a/gdk/gdk_utils.c b/gdk/gdk_utils.c
--- a/gdk/gdk_utils.c
+++ b/gdk/gdk_utils.c
@@ -47,6 +47,12 @@ static char THRprintbuf[BUFSIZ];
#define chdir _chdir
#endif
+#ifdef WIN32
+# include <Windows.h>
+#endif
+
+#define MIN_WORKING_SET 1 << 26 // Minimum memory working/resident set size
+
static volatile ATOMIC_FLAG GDKstopped = ATOMIC_FLAG_INIT;
static void GDKunlockHome(int farmid);
@@ -548,7 +554,18 @@ GDKinit(opt *set, int setlen)
for (i = 0; i < nlen; i++) {
if (strcmp("gdk_mem_maxsize", n[i].name) == 0) {
GDK_mem_maxsize = (size_t) strtoll(n[i].value, NULL,
10);
- GDK_mem_maxsize = MAX(1 << 26, GDK_mem_maxsize);
+ GDK_mem_maxsize = MAX(MIN_WORKING_SET, GDK_mem_maxsize);
+#ifdef WIN32 // On windows we can use a system call to limit the maximum
working set size.
+ const HANDLE process = GetCurrentProcess();
+
+ printf("MonetDb says Hello, world!\"\n\n");
+
+ if (!SetProcessWorkingSetSizeEx(process,
MIN_WORKING_SET, GDK_mem_maxsize, QUOTA_LIMITS_HARDWS_MAX_ENABLE))
+ {
+ printf("Something went wrong while setting the
limits on the working set: %d\n", GetLastError());
+ return 1;
+ }
+#endif
} else if (strcmp("gdk_vm_maxsize", n[i].name) == 0) {
GDK_vm_maxsize = (size_t) strtoll(n[i].value, NULL, 10);
GDK_vm_maxsize = MAX(1 << 30, GDK_vm_maxsize);
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