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https://issues.apache.org/jira/browse/TINKERPOP-2245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17316588#comment-17316588
]
ASF GitHub Bot commented on TINKERPOP-2245:
-------------------------------------------
spmallette commented on a change in pull request #1414:
URL: https://github.com/apache/tinkerpop/pull/1414#discussion_r608977635
##########
File path:
gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/handler/MultiRexster.java
##########
@@ -0,0 +1,236 @@
+/*
+ * 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.tinkerpop.gremlin.server.handler;
+
+import org.apache.tinkerpop.gremlin.driver.message.ResponseMessage;
+import org.apache.tinkerpop.gremlin.driver.message.ResponseStatusCode;
+import org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor;
+import org.apache.tinkerpop.gremlin.groovy.jsr223.GroovyCompilerGremlinPlugin;
+import org.apache.tinkerpop.gremlin.jsr223.GremlinScriptEngine;
+import org.apache.tinkerpop.gremlin.jsr223.GremlinScriptEngineManager;
+import org.apache.tinkerpop.gremlin.server.Context;
+import org.apache.tinkerpop.gremlin.server.Settings;
+import org.apache.tinkerpop.gremlin.structure.Transaction;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.script.Bindings;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import static
org.apache.tinkerpop.gremlin.server.op.session.SessionOpProcessor.CONFIG_GLOBAL_FUNCTION_CACHE_ENABLED;
+
+/**
+ * A {@link Rexster} implementation that queues tasks given to it and executes
them in a serial fashion within the
+ * same thread which thus allows multiple tasks to be executed in the same
transaction.
+ */
+public class MultiRexster extends AbstractRexster {
+ private static final Logger logger =
LoggerFactory.getLogger(MultiRexster.class);
+ protected final BlockingQueue<Context> queue = new LinkedBlockingQueue<>();
Review comment:
I guess i was just matching what we already allowed? We could bound this
queue and the general request queue - super old issue:
https://issues.apache.org/jira/browse/TINKERPOP-709 and start rate limiting
basically?
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> Consolidate the executor for bytecode & string based client
> -----------------------------------------------------------
>
> Key: TINKERPOP-2245
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2245
> Project: TinkerPop
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.4.2
> Reporter: Divij Vaidya
> Assignee: Stephen Mallette
> Priority: Minor
>
> We have two code paths in the server which perform (more or less) the same
> functions. One is the executor for string based queries and other is the
> executor for bytecode. This code can be refactored together so that the logic
> to handle timeout, handle exception during execution, handle exception before
> execution and others can consolidated.
> [https://github.com/apache/tinkerpop/blob/master/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java#L246]
> and
> [https://github.com/apache/tinkerpop/blob/master/gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/op/traversal/TraversalOpProcessor.java#L333]
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