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Adjust user thread queue size warning.

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This commit is contained in:
Mike Hearn 2014-03-12 14:44:26 +01:00
parent 829656b153
commit b6149bfa48
1 changed files with 10 additions and 4 deletions
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14
core/src/main/java/com/google/bitcoin/utils/Threading.java
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@ -86,6 +86,9 @@ public class Threading {
public static class UserThread extends Thread implements Executor {
private static final Logger log = LoggerFactory.getLogger(UserThread.class);
// 10,000 pending tasks is entirely arbitrary and may or may not be appropriate for the device we're
// running on.
public static int WARNING_THRESHOLD = 10000;
private LinkedBlockingQueue<Runnable> tasks;
public UserThread() {
@ -112,10 +115,13 @@ public class Threading {
@Override
public void execute(Runnable command) {
if (tasks.size() > 100) {
log.warn("User thread saturated, memory exhaustion may occur.");
log.warn("Check for deadlocked or slow event handlers. Sample tasks:");
for (Object task : tasks.toArray()) log.warn(task.toString());
final int size = tasks.size();
if (size > WARNING_THRESHOLD) {
log.warn(
"User thread has {} pending tasks, memory exhaustion may occur.\n" +
"If you see this message, check your memory consumption and see if it's problematic or excessively spikey.\n" +
"If it is, check for deadlocked or slow event handlers. If it isn't, try adjusting the constant \n" +
"Threading.UserThread.WARNING_THRESHOLD upwards until it's a suitable level for your app, or Integer.MAX_VALUE to disable." , size);
}
Uninterruptibles.putUninterruptibly(tasks, command);
}