[GitHub] [ignite] anton-vinogradov commented on a change in pull request #9342: IGNITE-15223 Control.sh should be able to perform Read Repair on specified partition.

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

anton-vinogradov commented on a change in pull request #9342:
URL: https://github.com/apache/ignite/pull/9342#discussion_r705277624



##########
File path: modules/core/src/main/java/org/apache/ignite/internal/visor/consistency/VisorConsistencyRepairTask.java
##########
@@ -0,0 +1,241 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.visor.consistency;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import javax.cache.CacheException;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.IgniteException;
+import org.apache.ignite.IgniteLogger;
+import org.apache.ignite.cluster.ClusterNode;
+import org.apache.ignite.compute.ComputeJobResult;
+import org.apache.ignite.events.CacheConsistencyViolationEvent;
+import org.apache.ignite.internal.processors.cache.CacheGroupContext;
+import org.apache.ignite.internal.processors.cache.GridCacheContext;
+import org.apache.ignite.internal.processors.cache.distributed.dht.topology.GridDhtLocalPartition;
+import org.apache.ignite.internal.processors.cache.distributed.near.consistency.IgniteConsistencyViolationException;
+import org.apache.ignite.internal.processors.cache.persistence.CacheDataRow;
+import org.apache.ignite.internal.util.GridConcurrentHashSet;
+import org.apache.ignite.internal.util.lang.GridCursor;
+import org.apache.ignite.internal.visor.VisorJob;
+import org.apache.ignite.internal.visor.VisorMultiNodeTask;
+import org.apache.ignite.lang.IgnitePredicate;
+import org.apache.ignite.resources.LoggerResource;
+
+import static org.apache.ignite.events.EventType.EVT_CONSISTENCY_VIOLATION;
+
+/**
+ *
+ */
+public class VisorConsistencyRepairTask extends VisorMultiNodeTask<VisorConsistencyRepairTaskArg, String, String> {
+    /** Serial version uid. */
+    private static final long serialVersionUID = 0L;
+
+    /** Nothing found. */
+    private static final String NOTHING_FOUND = "Consistency violations were not found.";
+
+    /** Found. */
+    public static final String CONSISTENCY_VIOLATIONS_FOUND = "Consistency violations were FOUND";
+
+    /** Violations recorder. */
+    public static final String CONSISTENCY_VIOLATIONS_RECORDED = "Cache consistency violations recorded.";
+
+    /** {@inheritDoc} */
+    @Override protected VisorJob<VisorConsistencyRepairTaskArg, String> job(VisorConsistencyRepairTaskArg arg) {
+        return new VisorConsistencyRepairJob(arg, debug);
+    }
+
+    /** {@inheritDoc} */
+    @Override protected String reduce0(List<ComputeJobResult> results) throws IgniteException {
+        StringBuilder sb = new StringBuilder();
+
+        for (ComputeJobResult res : results) {
+            String data = res.getData();
+
+            if (data != null)
+                sb.append("Node: ").append(res.getNode()).append("\n")
+                    .append("  Result: ").append(data).append("\n");
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     *
+     */
+    private static class VisorConsistencyRepairJob extends VisorJob<VisorConsistencyRepairTaskArg, String> {
+        /** Serial version uid. */
+        private static final long serialVersionUID = 0L;
+
+        /** Injected logger. */
+        @LoggerResource
+        protected IgniteLogger log;
+
+        /** Events. */
+        private final Set<CacheConsistencyViolationEvent> evts = new GridConcurrentHashSet<>();
+
+        /**
+         * @param arg Arguments.
+         * @param debug Debug.
+         */
+        protected VisorConsistencyRepairJob(VisorConsistencyRepairTaskArg arg, boolean debug) {
+            super(arg, debug);
+        }
+
+        /** {@inheritDoc} */
+        @Override protected String run(VisorConsistencyRepairTaskArg arg) throws IgniteException {
+            String cacheName = arg.cacheName();
+            int p = arg.part();
+            int batchSize = 1024;
+
+            GridCacheContext<Object, Object> cctx = ignite.context().cache().cache(cacheName).context();
+
+            if (!cctx.gridEvents().isRecordable(EVT_CONSISTENCY_VIOLATION))
+                throw new UnsupportedOperationException("Consistency violation events recording is disabled on cluster.");
+
+            CacheGroupContext grpCtx = cctx.group();
+
+            GridDhtLocalPartition part = grpCtx.topology().localPartition(p);
+
+            if (part != null) {
+                part.reserve();
+
+                try {
+                    IgnitePredicate<CacheConsistencyViolationEvent> lsnr = new CacheConsistencyViolationEventListener();
+
+                    ignite.events().localListen(lsnr, EVT_CONSISTENCY_VIOLATION);
+
+                    try {
+                        Set<Object> keys = new HashSet<>();
+
+                        GridCursor<? extends CacheDataRow> cursor =
+                            grpCtx.offheap().dataStore(part).cursor(cctx.cacheId());
+
+                        IgniteCache<Object, Object> cache = ignite.cache(cacheName).withReadRepair();

Review comment:
       Found a bug here.
   It Will be fixed at IGNITE-15482
   




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