This is an automated email from the ASF dual-hosted git repository.

bschuchardt pushed a commit to branch feature/GEODE-7808
in repository https://gitbox.apache.org/repos/asf/geode.git

commit 43fbb41114a4466b0ec8a64f5bdeec2e67afa227
Author: Bruce Schuchardt <bschucha...@pivotal.io>
AuthorDate: Fri Feb 21 11:53:10 2020 -0800

    remove SocketCreator host->address cache
---
 .../apache/geode/metrics/CacheCommonTagsTest.java  |  3 +-
 .../GemFireStatSamplerIntegrationTest.java         |  3 +-
 .../SimpleStatSamplerIntegrationTest.java          |  3 +-
 .../admin/internal/ManagedEntityConfigImpl.java    |  3 +-
 .../java/org/apache/geode/distributed/Locator.java |  3 +-
 .../internal/DistributionConfigImpl.java           |  3 +-
 .../membership/InternalDistributedMember.java      |  4 +--
 .../org/apache/geode/internal/AbstractConfig.java  |  2 +-
 .../admin/remote/DistributionLocatorId.java        |  3 +-
 .../geode/internal/cache/GemFireCacheImpl.java     |  5 ++-
 .../cache/persistence/PersistentMemberPattern.java |  3 +-
 .../apache/geode/internal/net/SocketCreator.java   | 37 ----------------------
 .../geode/internal/statistics/HostStatSampler.java |  3 +-
 .../internal/statistics/StatArchiveWriter.java     |  3 +-
 .../geode/test/dunit/rules/DistributedRule.java    |  1 -
 15 files changed, 15 insertions(+), 64 deletions(-)

diff --git 
a/geode-assembly/src/acceptanceTest/java/org/apache/geode/metrics/CacheCommonTagsTest.java
 
b/geode-assembly/src/acceptanceTest/java/org/apache/geode/metrics/CacheCommonTagsTest.java
index 1ca677c..58a1cfd 100644
--- 
a/geode-assembly/src/acceptanceTest/java/org/apache/geode/metrics/CacheCommonTagsTest.java
+++ 
b/geode-assembly/src/acceptanceTest/java/org/apache/geode/metrics/CacheCommonTagsTest.java
@@ -30,7 +30,6 @@ import org.junit.Test;
 import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.internal.cache.InternalCache;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 
 public class CacheCommonTagsTest {
 
@@ -57,7 +56,7 @@ public class CacheCommonTagsTest {
 
       assertThat(meter.getId().getTags())
           .as("Tags for meter with name " + meterId.getName())
-          .contains(Tag.of("host", 
SocketCreator.getHostName(LocalHostUtil.getLocalHost())));
+          .contains(Tag.of("host", 
LocalHostUtil.getLocalHost().getHostName()));
     }
   }
 
diff --git 
a/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/GemFireStatSamplerIntegrationTest.java
 
b/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/GemFireStatSamplerIntegrationTest.java
index ffe275a..8128567 100644
--- 
a/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/GemFireStatSamplerIntegrationTest.java
+++ 
b/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/GemFireStatSamplerIntegrationTest.java
@@ -34,7 +34,6 @@ import static 
org.apache.geode.internal.GemFireVersion.getSourceDate;
 import static 
org.apache.geode.internal.cache.control.HeapMemoryMonitor.getTenuredMemoryPoolMXBean;
 import static 
org.apache.geode.internal.cache.control.HeapMemoryMonitor.getTenuredPoolStatistics;
 import static org.apache.geode.internal.inet.LocalHostUtil.getLocalHost;
-import static org.apache.geode.internal.net.SocketCreator.getHostName;
 import static 
org.apache.geode.internal.statistics.HostStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY;
 import static org.apache.geode.test.awaitility.GeodeAwaitility.await;
 import static org.assertj.core.api.Assertions.assertThat;
@@ -136,7 +135,7 @@ public class GemFireStatSamplerIntegrationTest extends 
StatSamplerTestCase {
         .isLessThanOrEqualTo(currentTimeMillis());
     assertThat(statSampler.getSystemDirectoryPath())
         .as("system directory path")
-        .isEqualTo(getHostName(getLocalHost()));
+        .isEqualTo(getLocalHost().getHostName());
 
     assertThat(statSampler.getVMStats())
         .as("vm stats")
diff --git 
a/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/SimpleStatSamplerIntegrationTest.java
 
b/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/SimpleStatSamplerIntegrationTest.java
index c8b7040..ecfb5f3 100755
--- 
a/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/SimpleStatSamplerIntegrationTest.java
+++ 
b/geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/SimpleStatSamplerIntegrationTest.java
@@ -36,7 +36,6 @@ import org.apache.geode.CancelCriterion;
 import org.apache.geode.Statistics;
 import org.apache.geode.StatisticsType;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 import org.apache.geode.internal.stats50.VMStats50;
 import org.apache.geode.test.junit.categories.StatisticsTest;
 
@@ -100,7 +99,7 @@ public class SimpleStatSamplerIntegrationTest extends 
StatSamplerTestCase {
     assertTrue(statsCount > 0);
 
     assertTrue(statSampler.getSystemStartTime() <= System.currentTimeMillis());
-    assertEquals(SocketCreator.getHostName(LocalHostUtil.getLocalHost()),
+    assertEquals(LocalHostUtil.getLocalHost().getHostName(),
         statSampler.getSystemDirectoryPath());
 
     VMStatsContract vmStats = statSampler.getVMStats();
diff --git 
a/geode-core/src/main/java/org/apache/geode/admin/internal/ManagedEntityConfigImpl.java
 
b/geode-core/src/main/java/org/apache/geode/admin/internal/ManagedEntityConfigImpl.java
index 540981a..37ed0fb 100644
--- 
a/geode-core/src/main/java/org/apache/geode/admin/internal/ManagedEntityConfigImpl.java
+++ 
b/geode-core/src/main/java/org/apache/geode/admin/internal/ManagedEntityConfigImpl.java
@@ -25,7 +25,6 @@ import org.apache.geode.admin.ManagedEntityConfig;
 import org.apache.geode.internal.GemFireVersion;
 import org.apache.geode.internal.admin.GemFireVM;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 
 /**
  * The abstract superclass of objects that configure a managed entity such as 
a GemFire cache server
@@ -115,7 +114,7 @@ public abstract class ManagedEntityConfigImpl implements 
ManagedEntityConfig {
    * <code>GemFireVM</code>
    */
   protected ManagedEntityConfigImpl(GemFireVM vm) {
-    this.host = SocketCreator.getHostName(vm.getHost());
+    this.host = vm.getHost().getHostName();
     this.workingDirectory = vm.getWorkingDirectory().getAbsolutePath();
     this.productDirectory = vm.getGeodeHomeDir().getAbsolutePath();
     this.remoteCommand = null;
diff --git a/geode-core/src/main/java/org/apache/geode/distributed/Locator.java 
b/geode-core/src/main/java/org/apache/geode/distributed/Locator.java
index f7cf0d1..3d5df2a 100644
--- a/geode-core/src/main/java/org/apache/geode/distributed/Locator.java
+++ b/geode-core/src/main/java/org/apache/geode/distributed/Locator.java
@@ -23,7 +23,6 @@ import java.util.Properties;
 
 import org.apache.geode.distributed.internal.InternalLocator;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 
 /**
  * Represents a distribution locator server that provides discovery 
information to members and
@@ -386,7 +385,7 @@ public abstract class Locator {
     Object ba = this.bindAddress;
     if (ba == null) {
       try {
-        ba = SocketCreator.getHostName(LocalHostUtil.getLocalHost());
+        ba = LocalHostUtil.getLocalHost().getHostName();
       } catch (java.net.UnknownHostException uh) {
       }
     }
diff --git 
a/geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionConfigImpl.java
 
b/geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionConfigImpl.java
index 8a599ba..e039a2a 100644
--- 
a/geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionConfigImpl.java
+++ 
b/geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionConfigImpl.java
@@ -89,7 +89,6 @@ import org.apache.geode.InternalGemFireException;
 import org.apache.geode.distributed.DistributedSystem;
 import org.apache.geode.internal.ConfigSource;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 import org.apache.geode.internal.process.ProcessLauncherContext;
 import org.apache.geode.internal.security.SecurableCommunicationChannel;
 import org.apache.geode.security.AuthTokenEnabledComponents;
@@ -1777,7 +1776,7 @@ public class DistributionConfigImpl extends 
AbstractDistributionConfig implement
         return bindAddress + "[" + startLocatorPort + "]";
       }
       try {
-        return SocketCreator.getHostName(LocalHostUtil.getLocalHost()) + "[" + 
startLocatorPort
+        return LocalHostUtil.getLocalHost().getHostName() + "[" + 
startLocatorPort
             + "]";
       } catch (UnknownHostException ignore) {
         // punt and use this.startLocator instead
diff --git 
a/geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java
 
b/geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java
index 565d247..37a1b97 100755
--- 
a/geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java
+++ 
b/geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java
@@ -100,7 +100,7 @@ public class InternalDistributedMember
   }
 
   private static String getHostName(InetAddress i) {
-    return SocketCreator.resolve_dns ? SocketCreator.getHostName(i) : 
i.getHostAddress();
+    return SocketCreator.resolve_dns ? i.getHostName() : i.getHostAddress();
   }
 
   /**
@@ -312,7 +312,7 @@ public class InternalDistributedMember
     memberIdentifier.setProcessId(OSProcess.getId());
     try {
       if (SocketCreator.resolve_dns) {
-        setHostName(SocketCreator.getHostName(LocalHostUtil.getLocalHost()));
+        setHostName(LocalHostUtil.getLocalHost().getHostName());
       } else {
         setHostName(LocalHostUtil.getLocalHost().getHostAddress());
       }
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/AbstractConfig.java 
b/geode-core/src/main/java/org/apache/geode/internal/AbstractConfig.java
index 75b0b16..37188fb 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/AbstractConfig.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/AbstractConfig.java
@@ -203,7 +203,7 @@ public abstract class AbstractConfig implements Config {
         // on Windows getHostName on mcast addrs takes ~5 seconds
         addrName = addr.getHostAddress();
       } else {
-        addrName = SocketCreator.getHostName(addr);
+        addrName = addr.getHostName();
       }
       return addrName;
     }
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/admin/remote/DistributionLocatorId.java
 
b/geode-core/src/main/java/org/apache/geode/internal/admin/remote/DistributionLocatorId.java
index 8835115..0ac4839 100644
--- 
a/geode-core/src/main/java/org/apache/geode/internal/admin/remote/DistributionLocatorId.java
+++ 
b/geode-core/src/main/java/org/apache/geode/internal/admin/remote/DistributionLocatorId.java
@@ -29,7 +29,6 @@ import 
org.apache.geode.distributed.internal.DistributionConfig;
 import org.apache.geode.distributed.internal.tcpserver.HostAndPort;
 import org.apache.geode.internal.admin.SSLConfig;
 import org.apache.geode.internal.inet.LocalHostUtil;
-import org.apache.geode.internal.net.SocketCreator;
 
 /**
  * Identifies the host, port, and bindAddress a distribution locator is 
listening on.
@@ -293,7 +292,7 @@ public class DistributionLocatorId implements 
java.io.Serializable {
       if (isMcastId()) {
         sb.append(this.host.getHostAddress());
       } else {
-        sb.append(SocketCreator.getHostName(this.host));
+        sb.append(this.host.getHostName());
       }
     }
 
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java
 
b/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java
index d4aff7f..e12fa7b 100755
--- 
a/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java
+++ 
b/geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java
@@ -249,7 +249,6 @@ import org.apache.geode.internal.jta.TransactionManagerImpl;
 import org.apache.geode.internal.lang.ThrowableUtils;
 import org.apache.geode.internal.logging.InternalLogWriter;
 import org.apache.geode.internal.monitoring.ThreadsMonitoring;
-import org.apache.geode.internal.net.SocketCreator;
 import org.apache.geode.internal.offheap.MemoryAllocator;
 import org.apache.geode.internal.security.SecurityService;
 import org.apache.geode.internal.security.SecurityServiceFactory;
@@ -2748,7 +2747,7 @@ public class GemFireCacheImpl implements InternalCache, 
InternalClientCache, Has
   private PoolFactory createDefaultPF() {
     PoolFactory defaultPoolFactory = PoolManager.createFactory();
     try {
-      String localHostName = 
SocketCreator.getHostName(LocalHostUtil.getLocalHost());
+      String localHostName = LocalHostUtil.getLocalHost().getHostName();
       defaultPoolFactory.addServer(localHostName, CacheServer.DEFAULT_PORT);
     } catch (UnknownHostException ex) {
       throw new IllegalStateException("Could not determine local host name", 
ex);
@@ -2773,7 +2772,7 @@ public class GemFireCacheImpl implements InternalCache, 
InternalClientCache, Has
     if (poolFactoryImpl.getPoolAttributes().locators.isEmpty()
         && poolFactoryImpl.getPoolAttributes().servers.isEmpty()) {
       try {
-        String localHostName = 
SocketCreator.getHostName(LocalHostUtil.getLocalHost());
+        String localHostName = LocalHostUtil.getLocalHost().getHostName();
         poolFactoryImpl.addServer(localHostName, CacheServer.DEFAULT_PORT);
       } catch (UnknownHostException ex) {
         throw new IllegalStateException("Could not determine local host name", 
ex);
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/cache/persistence/PersistentMemberPattern.java
 
b/geode-core/src/main/java/org/apache/geode/internal/cache/persistence/PersistentMemberPattern.java
index 1b9d56a..db0726e 100644
--- 
a/geode-core/src/main/java/org/apache/geode/internal/cache/persistence/PersistentMemberPattern.java
+++ 
b/geode-core/src/main/java/org/apache/geode/internal/cache/persistence/PersistentMemberPattern.java
@@ -22,7 +22,6 @@ import java.util.UUID;
 
 import org.apache.geode.DataSerializer;
 import org.apache.geode.cache.persistence.PersistentID;
-import org.apache.geode.internal.net.SocketCreator;
 
 /**
  * Implementation of the public PersistentID. It holds the region, host, 
directory, and timestamp.
@@ -96,7 +95,7 @@ public class PersistentMemberPattern implements PersistentID, 
Comparable<Persist
     result.append(diskStoreID);
     if (host != null) {
       result.append(" [");
-      result.append(SocketCreator.getHostName(host));
+      result.append(host.getHostName());
       result.append(":");
       result.append(directory);
       result.append(",revoked@").append(revokedTime);
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/net/SocketCreator.java 
b/geode-core/src/main/java/org/apache/geode/internal/net/SocketCreator.java
index 0c5df6a..0fdc8f6 100755
--- a/geode-core/src/main/java/org/apache/geode/internal/net/SocketCreator.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/net/SocketCreator.java
@@ -41,7 +41,6 @@ import java.security.cert.X509Certificate;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
-import java.util.concurrent.ConcurrentHashMap;
 
 import javax.net.ServerSocketFactory;
 import javax.net.SocketFactory;
@@ -111,9 +110,6 @@ public class SocketCreator extends TcpSocketCreatorImpl {
 
   private static final Logger logger = LogService.getLogger();
 
-  @MakeNotStatic
-  private static final ConcurrentHashMap<InetAddress, String> hostNames = new 
ConcurrentHashMap<>();
-
   /**
    * flag to force always using DNS (regardless of the fact that these lookups 
can hang)
    */
@@ -186,39 +182,6 @@ public class SocketCreator extends TcpSocketCreatorImpl {
     return LocalHostUtil.getLocalHost();
   }
 
-  /**
-   * returns the host name for the given inet address, using a local cache of 
names to avoid dns
-   * hits and duplicate strings
-   */
-  public static String getHostName(InetAddress addr) {
-    String result = hostNames.get(addr);
-    if (result == null) {
-      result = addr.getHostName();
-      hostNames.put(addr, result);
-    }
-    return result;
-  }
-
-  /**
-   * returns the host name for the given inet address, using a local cache of 
names to avoid dns
-   * hits and duplicate strings
-   */
-  public static String getCanonicalHostName(InetAddress addr, String hostName) 
{
-    String result = hostNames.get(addr);
-    if (result == null) {
-      hostNames.put(addr, hostName);
-      return hostName;
-    }
-    return result;
-  }
-
-  /**
-   * Reset the hostNames caches
-   */
-  public static void resetHostNameCache() {
-    hostNames.clear();
-  }
-
   // -------------------------------------------------------------------------
   // Initializers (change SocketCreator state)
   // -------------------------------------------------------------------------
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/statistics/HostStatSampler.java
 
b/geode-core/src/main/java/org/apache/geode/internal/statistics/HostStatSampler.java
index 8b0d91d..2e16264 100644
--- 
a/geode-core/src/main/java/org/apache/geode/internal/statistics/HostStatSampler.java
+++ 
b/geode-core/src/main/java/org/apache/geode/internal/statistics/HostStatSampler.java
@@ -30,7 +30,6 @@ import org.apache.geode.internal.NanoTimer;
 import org.apache.geode.internal.inet.LocalHostUtil;
 import org.apache.geode.internal.io.MainWithChildrenRollingFileHandler;
 import org.apache.geode.internal.logging.log4j.LogMarker;
-import org.apache.geode.internal.net.SocketCreator;
 import org.apache.geode.internal.process.UncheckedPidUnavailableException;
 import org.apache.geode.internal.statistics.platform.OsStatisticsFactory;
 import org.apache.geode.internal.util.concurrent.StoppableCountDownLatch;
@@ -153,7 +152,7 @@ public abstract class HostStatSampler
   @Override
   public String getSystemDirectoryPath() {
     try {
-      return SocketCreator.getHostName(LocalHostUtil.getLocalHost());
+      return LocalHostUtil.getLocalHost().getHostName();
     } catch (UnknownHostException ignore) {
       return "";
     }
diff --git 
a/geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveWriter.java
 
b/geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveWriter.java
index d84c829..074da02 100644
--- 
a/geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveWriter.java
+++ 
b/geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveWriter.java
@@ -41,7 +41,6 @@ import org.apache.geode.annotations.internal.MakeNotStatic;
 import org.apache.geode.internal.NanoTimer;
 import org.apache.geode.internal.inet.LocalHostUtil;
 import org.apache.geode.internal.logging.log4j.LogMarker;
-import org.apache.geode.internal.net.SocketCreator;
 import org.apache.geode.logging.internal.log4j.api.LogService;
 import org.apache.geode.util.internal.GeodeGlossary;
 
@@ -204,7 +203,7 @@ public class StatArchiveWriter implements 
StatArchiveFormat, SampleHandler {
   protected String getMachineInfo() {
     String machineInfo = System.getProperty("os.arch");
     try {
-      String hostName = 
SocketCreator.getHostName(LocalHostUtil.getLocalHost());
+      String hostName = LocalHostUtil.getLocalHost().getHostName();
       machineInfo += " " + hostName;
     } catch (UnknownHostException ignore) {
     }
diff --git 
a/geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/DistributedRule.java
 
b/geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/DistributedRule.java
index 7799697..992dd0f 100644
--- 
a/geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/DistributedRule.java
+++ 
b/geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/DistributedRule.java
@@ -241,7 +241,6 @@ public class DistributedRule extends 
AbstractDistributedRule {
       QueryObserverHolder.reset();
       QueryTestUtils.setCache(null);
       RegionTestCase.preSnapshotRegion = null;
-      SocketCreator.resetHostNameCache();
       SocketCreator.resolve_dns = true;
       TcpClient.clearStaticData();
 

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