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Set a `UserThread` executor in network stress test

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That makes it more stable against ``ConcurrentModificationException`` (see #443), but may need to allow more open files for the process.
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Ivan Vilata-i-Balaguer 2016-05-11 20:29:52 +02:00
parent fa461f23e8
commit da5b59b06b
1 changed files with 7 additions and 0 deletions
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network/src/test/java/io/bitsquare/p2p/network/NetworkStressTest.java
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@ -35,6 +35,7 @@ import java.nio.file.attribute.BasicFileAttributes;
import java.security.Security;
import java.util.*;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
public class NetworkStressTest {
@ -137,6 +138,12 @@ public class NetworkStressTest {
testDataDir = createTestDataDirectory();
print("test data directory: " + testDataDir);
// Setting the executor seems to make tests more stable against ``ConcurrentModificationException``
// (see #443). However it make it use more open files, so you may need to use ``ulimit -n NUMBER``
// or run ``prlimit -nNUMBER -pPID`` (as root) on your shell's PID if you get too many open files errors.
// NUMBER=16384 seems to be enough for 100 peers in Debian GNU/Linux.
UserThread.setExecutor(Executors.newSingleThreadExecutor());
// Create and start the seed node.
seedNode = new SeedNode(testDataDir.toString());
final NodeAddress seedNodeAddress = newSeedNodeAddress();