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large heap warning

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This commit is contained in:
Eugene Zhuravlev
2010-11-18 22:33:04 +03:00
parent b53e4edaf6
commit 3e5ba0330d
1 changed files with 19 additions and 0 deletions
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platform/platform-impl/src/com/intellij/openapi/wm/impl/status/MemoryUsagePanel.java
+19
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@@ -16,6 +16,10 @@
package com.intellij.openapi.wm.impl.status;
import com.intellij.concurrency.JobScheduler;
import com.intellij.notification.Notification;
import com.intellij.notification.NotificationDisplayType;
import com.intellij.notification.NotificationType;
import com.intellij.notification.Notifications;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.wm.CustomStatusBarWidget;
import com.intellij.openapi.wm.StatusBar;
@@ -70,7 +74,22 @@ public class MemoryUsagePanel extends JButton implements CustomStatusBarWidget {
myFuture = null;
}
private static final int CRITICAL_XMX_THRESHOLD_MB = 700;
private static final int CRITICAL_XMX_THRESHOLD = CRITICAL_XMX_THRESHOLD_MB /*Mb*/ * 1024 /*Kb*/ * 1024 /*Bytes*/;
public void install(@NotNull StatusBar statusBar) {
if (SystemInfo.isWindows && SystemInfo.is32Bit) {
final long maxMem = Runtime.getRuntime().maxMemory();
if (maxMem > CRITICAL_XMX_THRESHOLD) {
final String text =
"Current maximum heap size is set to " +
(maxMem / 1024 / 1024) + " Mb. " +
"On a 32-bit system this may cause OutOfMemory errors. It is recommended to specify heap size not more than " +
CRITICAL_XMX_THRESHOLD_MB + " Mb";
Notifications.Bus.notify(new Notification("Memory", "Too Large Heap Size", text, NotificationType.WARNING), NotificationDisplayType.STICKY_BALLOON, null);
}
}
}
@Nullable