[GitHub] [geode] ringles commented on a change in pull request #6866: GEODE-9495: Limit Thread Sleep In PubSubNativeRedisAcceptanceTest

[GitBox <gi...@apache.org>]

ringles commented on a change in pull request #6866:
URL: https://github.com/apache/geode/pull/6866#discussion_r709147797



##########
File path: geode-apis-compatible-with-redis/src/acceptanceTest/java/org/apache/geode/redis/internal/executor/pubsub/PubSubNativeRedisAcceptanceTest.java
##########
@@ -25,20 +31,50 @@
 public class PubSubNativeRedisAcceptanceTest extends AbstractPubSubIntegrationTest {
 
   private static final Logger logger = LogService.getLogger();
+  private static long socketTimeWaitMsec = 240000;
 
   @ClassRule
   public static NativeRedisTestRule redis = new NativeRedisTestRule();
 
+  @BeforeClass
+  public static void runOnce() throws IOException {
+    Process process;
+    if (SystemUtils.IS_OS_LINUX) {
+      try {
+        process = Runtime.getRuntime().exec("cat /proc/sys/net/ipv4/tcp_fin_timeout");
+        BufferedReader reader = new BufferedReader(
+            new InputStreamReader(process.getInputStream()));
+        String line = reader.readLine();
+        socketTimeWaitMsec = Long.parseLong(line.trim());
+      } catch (NumberFormatException | IOException ignored) {
+      }
+    } else if (SystemUtils.IS_OS_MAC) {
+      try {
+        process = Runtime.getRuntime().exec("sysctl net.inet.tcp.msl");
+        BufferedReader reader = new BufferedReader(
+            new InputStreamReader(process.getInputStream()));
+        String line = reader.readLine();
+        String[] parts = line.split(":");
+        if (parts.length == 2) {
+          socketTimeWaitMsec = 2 * Long.parseLong(parts[1].trim());
+          System.out.println("TIME_WAIT: " + socketTimeWaitMsec);

Review comment:
       Whoops, thought I'd done that!




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