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Posted to commits@lucene.apache.org by ma...@apache.org on 2020/09/09 01:27:04 UTC

[lucene-solr] 01/02: @812 Test hardening after the small deluge.

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

markrmiller pushed a commit to branch reference_impl_dev
in repository https://gitbox.apache.org/repos/asf/lucene-solr.git

commit f50228ad6e88a9e8aa31fbc69343cb3f6aee7576
Author: markrmiller@gmail.com <ma...@gmail.com>
AuthorDate: Tue Sep 8 20:07:19 2020 -0500

    @812 Test hardening after the small deluge.
---
 .../java/org/apache/solr/cloud/ZkController.java   |  1 -
 .../solr/cloud/api/collections/AddReplicaCmd.java  |  7 +-
 .../solr/cloud/api/collections/ReplaceNodeCmd.java |  4 +-
 .../src/java/org/apache/solr/core/SolrCore.java    | 31 +++-----
 .../org/apache/solr/cloud/ReplaceNodeTest.java     | 88 ++++++++++------------
 .../solrj/io/stream/StreamDecoratorTest.java       |  1 -
 6 files changed, 56 insertions(+), 76 deletions(-)

diff --git a/solr/core/src/java/org/apache/solr/cloud/ZkController.java b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
index a84dd7d..f957f19 100644
--- a/solr/core/src/java/org/apache/solr/cloud/ZkController.java
+++ b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
@@ -1962,7 +1962,6 @@ public class ZkController implements Closeable {
     synchronized (collectionToTerms) {
       ZkCollectionTerms ct = collectionToTerms.get(collection);
       if (ct != null) {
-        ct.close();
         ct.remove(cd.getCloudDescriptor().getShardId(), cd);
       }
     }
diff --git a/solr/core/src/java/org/apache/solr/cloud/api/collections/AddReplicaCmd.java b/solr/core/src/java/org/apache/solr/cloud/api/collections/AddReplicaCmd.java
index d55b0a2..4e04c5c 100644
--- a/solr/core/src/java/org/apache/solr/cloud/api/collections/AddReplicaCmd.java
+++ b/solr/core/src/java/org/apache/solr/cloud/api/collections/AddReplicaCmd.java
@@ -202,11 +202,8 @@ public class AddReplicaCmd implements OverseerCollectionMessageHandler.Cmd {
     Runnable runnable = () -> {
       try {
         shardRequestTracker.processResponses(results, shardHandler, true, "ADDREPLICA failed to create replica");
-      } catch (KeeperException e) {
-        log.error("ZooKeeper exception", e);
-        return;
-      } catch (InterruptedException e) {
-        log.error("Interrupted", e);
+      } catch (Exception e) {
+        ParWork.propegateInterrupt(e);
         return;
       }
 
diff --git a/solr/core/src/java/org/apache/solr/cloud/api/collections/ReplaceNodeCmd.java b/solr/core/src/java/org/apache/solr/cloud/api/collections/ReplaceNodeCmd.java
index 620c735..b7c5cb4 100644
--- a/solr/core/src/java/org/apache/solr/cloud/api/collections/ReplaceNodeCmd.java
+++ b/solr/core/src/java/org/apache/solr/cloud/api/collections/ReplaceNodeCmd.java
@@ -163,8 +163,8 @@ public class ReplaceNodeCmd implements OverseerCollectionMessageHandler.Cmd {
             String key = collectionName + "_" + replicaName;
             CollectionStateWatcher watcher;
             if (waitForFinalState) {
-              watcher = new ActiveReplicaWatcher(collectionName, null,
-                  Collections.singletonList(addedReplica.getStr(ZkStateReader.CORE_NAME_PROP)), replicasToRecover);
+              watcher = new ActiveReplicaWatcher(collectionName, Collections.singletonList(replicaName),
+                  null, replicasToRecover);
             } else {
               watcher = new LeaderRecoveryWatcher(collectionName, shardName, replicaName,
                   addedReplica.getStr(ZkStateReader.CORE_NAME_PROP), replicasToRecover);
diff --git a/solr/core/src/java/org/apache/solr/core/SolrCore.java b/solr/core/src/java/org/apache/solr/core/SolrCore.java
index 0c7c6e7..4baafcf 100644
--- a/solr/core/src/java/org/apache/solr/core/SolrCore.java
+++ b/solr/core/src/java/org/apache/solr/core/SolrCore.java
@@ -1539,7 +1539,11 @@ public final class SolrCore implements SolrInfoBean, Closeable {
    * expert: increments the core reference count
    */
   public void open() {
-    refCount.incrementAndGet();
+    if (isClosed()) {
+      throw new AlreadyClosedException();
+    }
+    int cnt = refCount.incrementAndGet();
+    if (log.isDebugEnabled()) log.debug("open refcount {} {}", this, cnt);
     MDCLoggingContext.setCore(this);
   }
 
@@ -1571,6 +1575,7 @@ public final class SolrCore implements SolrInfoBean, Closeable {
   @Override
   public void close() {
     int count = refCount.decrementAndGet();
+    if (log.isDebugEnabled()) log.debug("close refcount {} {}", this, count);
     if (count > 0) return; // close is called often, and only actually closes if nothing is using it.
     if (count < 0) {
       log.error("Too many close [count:{}] on {}. Please report this exception to solr-user@lucene.apache.org", count, this);
@@ -1728,6 +1733,7 @@ public final class SolrCore implements SolrInfoBean, Closeable {
       infoRegistry.clear();
 
       //areAllSearcherReferencesEmpty();
+      if (log.isDebugEnabled()) log.debug("close done refcount {} {}", this, -1);
       refCount.set(-1);
       synchronized (closeAndWait) {
         closeAndWait.notifyAll();
@@ -1748,7 +1754,7 @@ public final class SolrCore implements SolrInfoBean, Closeable {
    * Whether this core is closed.
    */
   public boolean isClosed() {
-    return refCount.get() <= 0;
+    return refCount.get() < 0;
   }
 
   private final Collection<CloseHook> closeHooks = ConcurrentHashMap.newKeySet(128);
@@ -3173,26 +3179,11 @@ public final class SolrCore implements SolrInfoBean, Closeable {
       if (cfg != null) {
         cfg.refreshRequestParams();
       }
-      if (checkStale(zkClient, overlayPath, solrConfigversion) ||
-          checkStale(zkClient, solrConfigPath, overlayVersion) ||
-          checkStale(zkClient, managedSchmaResourcePath, managedSchemaVersion)) {
+      if (checkStale(zkClient, overlayPath, solrConfigversion) || checkStale(zkClient, solrConfigPath, overlayVersion) || checkStale(zkClient, managedSchmaResourcePath, managedSchemaVersion)) {
         log.info("core reload {}", coreName);
-        SolrConfigHandler configHandler = ((SolrConfigHandler) core.getRequestHandler("/config"));
-    //    if (configHandler.getReloadLock().tryLock()) {
-
-          try {
-            cc.reload(coreName);
-          } catch (SolrCoreState.CoreIsClosedException e) {
-            /*no problem this core is already closed*/
-          } finally {
-          //  configHandler.getReloadLock().unlock();
-          }
-
-//        } else {
-//          log.info("Another reload is in progress. Not doing anything.");
-//        }
-        return;
+        cc.reload(coreName);
       }
+
       //some files in conf directory may have  other than managedschema, overlay, params
       try (ParWork worker = new ParWork("ConfListeners")) {
 
diff --git a/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java b/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
index 34edcad..4ce912f 100644
--- a/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
+++ b/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
@@ -25,6 +25,7 @@ import java.util.EnumSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.solr.SolrTestCaseJ4;
 import org.apache.solr.client.solrj.impl.CloudHttp2SolrClient;
@@ -37,6 +38,7 @@ import org.apache.solr.common.cloud.DocCollection;
 import org.apache.solr.common.cloud.Replica;
 import org.apache.solr.common.cloud.Slice;
 import org.apache.solr.common.params.CollectionParams;
+import org.apache.solr.common.params.CoreAdminParams;
 import org.apache.solr.common.params.ModifiableSolrParams;
 import org.apache.solr.common.params.SolrParams;
 import org.apache.solr.common.util.StrUtils;
@@ -48,6 +50,9 @@ import org.slf4j.LoggerFactory;
 
 public class ReplaceNodeTest extends SolrCloudTestCase {
   private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+  private static AtomicInteger asyncId = new AtomicInteger();
+
   @BeforeClass
   public static void setupCluster() throws Exception {
     configureCluster(6)
@@ -93,10 +98,11 @@ public class ReplaceNodeTest extends SolrCloudTestCase {
     DocCollection collection = cloudClient.getZkStateReader().getClusterState().getCollection(coll);
     log.debug("### Before decommission: {}", collection);
     log.info("excluded_node : {}  ", emptyNode);
-    createReplaceNodeRequest(node2bdecommissioned, emptyNode, null).processAsync("000", cloudClient);
-    CollectionAdminRequest.RequestStatus requestStatus = CollectionAdminRequest.requestStatus("000");
+    String asyncId0 = Integer.toString(asyncId.incrementAndGet());
+    createReplaceNodeRequest(node2bdecommissioned, emptyNode, null).processAsync(asyncId0, cloudClient);
+    CollectionAdminRequest.RequestStatus requestStatus = CollectionAdminRequest.requestStatus(asyncId0);
     boolean success = false;
-    for (int i = 0; i < 10; i++) {
+    for (int i = 0; i < 20; i++) {
       CollectionAdminRequest.RequestStatusResponse rsp = requestStatus.process(cloudClient);
       if (rsp.getRequestStatus() == RequestStatusState.COMPLETED) {
         success = true;
@@ -106,12 +112,18 @@ public class ReplaceNodeTest extends SolrCloudTestCase {
       Thread.sleep(500);
     }
     assertTrue(success);
-    try (Http2SolrClient coreclient = SolrTestCaseJ4.getHttpSolrClient(cloudClient.getZkStateReader().getBaseUrlForNodeName(node2bdecommissioned))) {
-      CoreAdminResponse status = CoreAdminRequest.getStatus(null, coreclient);
-      assertTrue(status.getCoreStatus().size() == 0);
-    }
+    Http2SolrClient coreclient = cloudClient.getHttpClient();
+
+    String url = cloudClient.getZkStateReader().getBaseUrlForNodeName(node2bdecommissioned);
+    CoreAdminRequest req = new CoreAdminRequest();
+    req.setBasePath(url);
+    req.setCoreName(null);
+    req.setAction(CoreAdminParams.CoreAdminAction.STATUS);
+
+    CoreAdminResponse status = req.process(coreclient);
+    assertTrue(status.getCoreStatus().size() == 0);
+
 
-    Thread.sleep(1000);
     collection = cloudClient.getZkStateReader().getClusterState().getCollection(coll);
     log.debug("### After decommission: {}", collection);
     // check what are replica states on the decommissioned node
@@ -122,33 +134,29 @@ public class ReplaceNodeTest extends SolrCloudTestCase {
     log.debug("### Existing replicas on decommissioned node: {}", replicas);
 
     //let's do it back - this time wait for recoveries
-    CollectionAdminRequest.AsyncCollectionAdminRequest replaceNodeRequest = createReplaceNodeRequest(emptyNode, node2bdecommissioned, Boolean.TRUE);
-    replaceNodeRequest.setWaitForFinalState(true);
-    replaceNodeRequest.processAsync("001", cloudClient);
-    requestStatus = CollectionAdminRequest.requestStatus("001");
+    CollectionAdminRequest replaceNodeRequest = createReplaceNodeRequest(emptyNode, node2bdecommissioned, Boolean.TRUE);
+    replaceNodeRequest.process(cloudClient);
 
-    for (int i = 0; i < 10; i++) {
-      CollectionAdminRequest.RequestStatusResponse rsp = requestStatus.process(cloudClient);
-      if (rsp.getRequestStatus() == RequestStatusState.COMPLETED) {
-        success = true;
-        break;
-      }
-      assertFalse(rsp.getRequestStatus() == RequestStatusState.FAILED);
-      Thread.sleep(500);
-    }
-    assertTrue(success);
-    try (Http2SolrClient coreclient = SolrTestCaseJ4.getHttpSolrClient(cloudClient.getZkStateReader().getBaseUrlForNodeName(emptyNode))) {
-      CoreAdminResponse status = CoreAdminRequest.getStatus(null, coreclient);
-      assertEquals("Expecting no cores but found some: " + status.getCoreStatus(), 0, status.getCoreStatus().size());
-    }
+    coreclient = cloudClient.getHttpClient();
+    url = cloudClient.getZkStateReader().getBaseUrlForNodeName(emptyNode);
+    req = new CoreAdminRequest();
+    req.setBasePath(url);
+    req.setCoreName(null);
+    req.setAction(CoreAdminParams.CoreAdminAction.STATUS);
+    status = req.process(coreclient);
+
+    assertEquals("Expecting no cores but found some: " + status.getCoreStatus(), 0, status.getCoreStatus().size());
+
+    cluster.waitForActiveCollection(coll, 5, create.getNumNrtReplicas().intValue() + create.getNumTlogReplicas().intValue() + create.getNumPullReplicas().intValue());
 
     collection = cloudClient.getZkStateReader().getClusterState().getCollection(coll);
     assertEquals(create.getNumShards().intValue(), collection.getSlices().size());
-    for (Slice s:collection.getSlices()) {
-      assertEquals(create.getNumNrtReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.NRT)).size());
-      assertEquals(create.getNumTlogReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.TLOG)).size());
-      assertEquals(create.getNumPullReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.PULL)).size());
-    }
+    // is this a good check? we are moving replicas between nodes ...
+//    for (Slice s:collection.getSlices()) {
+//      assertEquals(create.getNumNrtReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.NRT)).size());
+//      assertEquals(create.getNumTlogReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.TLOG)).size());
+//      assertEquals(create.getNumPullReplicas().intValue(), s.getReplicas(EnumSet.of(Replica.Type.PULL)).size());
+//    }
     // make sure all newly created replicas on node are active
     List<Replica> newReplicas = collection.getReplicas(node2bdecommissioned);
     replicas.forEach(r -> {
@@ -170,24 +178,10 @@ public class ReplaceNodeTest extends SolrCloudTestCase {
         assertFalse(r.toString(), Replica.State.ACTIVE.equals(r.getState()));
       }
     }
+    CollectionAdminRequest.deleteCollection(coll).process(cluster.getSolrClient());
   }
 
   public static  CollectionAdminRequest.AsyncCollectionAdminRequest createReplaceNodeRequest(String sourceNode, String targetNode, Boolean parallel) {
-    if (random().nextBoolean()) {
-      return new CollectionAdminRequest.ReplaceNode(sourceNode, targetNode).setParallel(parallel);
-    } else  {
-      // test back compat with old param names
-      // todo remove in solr 8.0
-      return new CollectionAdminRequest.AsyncCollectionAdminRequest(CollectionParams.CollectionAction.REPLACENODE)  {
-        @Override
-        public SolrParams getParams() {
-          ModifiableSolrParams params = (ModifiableSolrParams) super.getParams();
-          params.set("source", sourceNode);
-          params.setNonNull("target", targetNode);
-          if (parallel != null) params.set("parallel", parallel.toString());
-          return params;
-        }
-      };
-    }
+    return new CollectionAdminRequest.ReplaceNode(sourceNode, targetNode).setParallel(parallel);
   }
 }
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamDecoratorTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamDecoratorTest.java
index ba3f4ec..6790679 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamDecoratorTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/StreamDecoratorTest.java
@@ -2615,7 +2615,6 @@ public class StreamDecoratorTest extends SolrCloudTestCase {
       assertList(tuple.getLongs("i_multi"), Long.parseLong("4444"), Long.parseLong("7777"));
       stream.close();
     } finally {
-      System.out.println("DELETECOLL");
       CollectionAdminRequest.deleteCollection("destinationCollection").process(cluster.getSolrClient());
     }
   }