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From GitBox <...@apache.org>
Subject [GitHub] [ignite] pavlukhin commented on a change in pull request #6490: IGNITE-7285 Add default query timeout
Date Mon, 14 Oct 2019 14:41:38 GMT
pavlukhin commented on a change in pull request #6490: IGNITE-7285 Add default query timeout
URL: https://github.com/apache/ignite/pull/6490#discussion_r334507427
 
 

 ##########
 File path: modules/indexing/src/test/java/org/apache/ignite/internal/processors/cache/distributed/near/IgniteCacheDistributedQueryDefaultTimeoutSelfTest.java
 ##########
 @@ -0,0 +1,200 @@
+/*
+ * 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.processors.cache.distributed.near;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
+import javax.cache.CacheException;
+import org.apache.ignite.Ignite;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteCheckedException;
+import org.apache.ignite.cache.query.QueryCursor;
+import org.apache.ignite.cache.query.SqlFieldsQuery;
+import org.apache.ignite.configuration.CacheConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.internal.IgniteEx;
+import org.apache.ignite.cache.query.QueryCancelledException;
+import org.apache.ignite.internal.processors.GridProcessor;
+import org.apache.ignite.internal.processors.query.h2.IgniteH2Indexing;
+import org.apache.ignite.internal.util.typedef.G;
+import org.apache.ignite.internal.util.typedef.X;
+import org.apache.ignite.internal.util.typedef.internal.U;
+import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
+import org.junit.Test;
+
+/**
+ * Tests distributed SQL queries default timeouts.
+ */
+public class IgniteCacheDistributedQueryDefaultTimeoutSelfTest extends GridCommonAbstractTest
{
+    /** Grids count. */
+    private static final int GRIDS_CNT = 3;
+
+    /** Cache size. */
+    public static final int CACHE_SIZE = 10_000;
+
+    /** Default query timeout */
+    private static final long DEFAULT_QUERY_TIMEOUT = 1000;
+
+    /** Value size. */
+    public static final int VAL_SIZE = 16;
+
+    /** */
+    private static final String QRY_1 = "select a._val, b._val from String a, String b";
+
+    /** */
+    private static final String QRY_2 = "select a._key, count(*) from String a group by a._key";
+
+    /** */
+    private static final String QRY_3 = "select a._val from String a";
+
+    /** {@inheritDoc} */
+    @Override protected void beforeTestsStarted() throws Exception {
+        super.beforeTestsStarted();
+
+        startGridsMultiThreaded(GRIDS_CNT);
+    }
+
+    /** {@inheritDoc} */
+    @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws
Exception {
+        IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
+
+        CacheConfiguration<Integer, String> ccfg = new CacheConfiguration<>(DEFAULT_CACHE_NAME);
+        ccfg.setIndexedTypes(Integer.class, String.class);
+
+        cfg.setCacheConfiguration(ccfg);
+
+        if ("client".equals(igniteInstanceName))
+            cfg.setClientMode(true);
+
+        cfg.setDefaultQueryTimeout(DEFAULT_QUERY_TIMEOUT);
+
+        return cfg;
+    }
+
+    /** {@inheritDoc} */
+    @Override protected void afterTest() throws Exception {
+        super.afterTest();
+
+        for (Ignite g : G.allGrids())
+            g.cache(DEFAULT_CACHE_NAME).removeAll();
+    }
+
+    /** */
+    @Test
+    public void testRemoteQueryExecutionTimeout() throws Exception {
+        testQueryCancel(CACHE_SIZE, VAL_SIZE, QRY_1, 500, TimeUnit.MILLISECONDS, true, true);
+    }
+
+    /** */
+    @Test
+    public void testRemoteQueryWithMergeTableTimeout() throws Exception {
+        testQueryCancel(CACHE_SIZE, VAL_SIZE, QRY_2, 500, TimeUnit.MILLISECONDS, true, false);
+    }
+
+    /** */
+    @Test
+    public void testRemoteQueryExecutionCancel0() throws Exception {
+        testQueryCancel(CACHE_SIZE, VAL_SIZE, QRY_1, 1, TimeUnit.MILLISECONDS, false, true);
+    }
+
+    /** */
+    private void testQueryCancel(int keyCnt, int valSize, String sql, int timeoutUnits, TimeUnit
timeUnit,
+        boolean timeout, boolean checkCanceled) throws Exception {
+        try (Ignite client = startGrid("client")) {
+            IgniteCache<Object, Object> cache = client.cache(DEFAULT_CACHE_NAME);
+
+            assertEquals(0, cache.localSize());
+
+            int p = 1;
+            for (int i = 1; i <= keyCnt; i++) {
+                char[] tmp = new char[valSize];
+                Arrays.fill(tmp, ' ');
+                cache.put(i, new String(tmp));
+
+                if (i/(float)keyCnt >= p/10f) {
+                    log().info("Loaded " + i + " of " + keyCnt);
+
+                    p++;
+                }
+            }
+
+            assertEquals(0, cache.localSize());
+
+            SqlFieldsQuery qry = new SqlFieldsQuery(sql);
+
+            final QueryCursor<List<?>> cursor;
+            if (timeout) {
+                qry.setTimeout(timeoutUnits, timeUnit);
+
+                cursor = cache.query(qry);
+            }
+            else {
+                cursor = cache.query(qry);
+
+                client.scheduler().runLocal(new Runnable() {
+                    @Override public void run() {
+                        cursor.close();
+                    }
+                }, timeoutUnits, timeUnit);
+            }
+
+            try (QueryCursor<List<?>> ignored = cursor) {
+                cursor.getAll();
+
+                if (checkCanceled)
+                    fail("Query not canceled");
+            }
+            catch (CacheException ex) {
+                log().error("Got expected exception", ex);
+
+                assertNotNull("Must throw correct exception", X.cause(ex, QueryCancelledException.class));
+            }
+
+            // Give some time to clean up.
+            Thread.sleep(TimeUnit.MILLISECONDS.convert(timeoutUnits, timeUnit) + 3_000);
+
+            checkCleanState();
+        }
+    }
+
+    /**
+     * Validates clean state on all participating nodes after query cancellation.
+     */
+    private void checkCleanState() throws IgniteCheckedException {
+        for (int i = 0; i < GRIDS_CNT; i++) {
+            IgniteEx grid = grid(i);
+
+            // Validate everything was cleaned up.
+            ConcurrentMap<UUID, ?> map = U.field(((IgniteH2Indexing)U.field((GridProcessor)U.field(
 
 Review comment:
   I suggest to use something like `((IgniteH2Indexing)((IgniteEx)grid).context().query().getIndexing()).runningSqlQueries()`
for check.

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