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https://issues.apache.org/jira/browse/GEODE-8537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233984#comment-17233984
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ASF GitHub Bot commented on GEODE-8537:
---------------------------------------
pdxcodemonkey commented on a change in pull request #687:
URL: https://github.com/apache/geode-native/pull/687#discussion_r525526299
##########
File path: cppcache/src/LRUQueue.hpp
##########
@@ -0,0 +1,100 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#ifndef GEODE_LRUQUEUE_H_
+#define GEODE_LRUQUEUE_H_
+
+#include <list>
+#include <memory>
+
+#include <geode/internal/geode_globals.hpp>
+
+#include "util/concurrent/spinlock_mutex.hpp"
+
+namespace apache {
+namespace geode {
+namespace client {
+
+class MapEntryImpl;
+
+/**
+ * This class holds a queue of entries sorted by its use order
+ * @note All accesses to the queue are mutually exclusive
+ */
+class LRUQueue {
Review comment:
I'd just use a standard mutex. Thanks for the clarification on the need
for the LRUQueue, I hadn't paid close enough attention to what it was doing and
missed the random-access feature.
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> Memory increases whenever LRU eviction is enabled
> -------------------------------------------------
>
> Key: GEODE-8537
> URL: https://issues.apache.org/jira/browse/GEODE-8537
> Project: Geode
> Issue Type: Bug
> Components: native client
> Affects Versions: 1.13.0
> Reporter: Mario Salazar de Torres
> Assignee: Mario Salazar de Torres
> Priority: Major
> Labels: pull-request-available
> Attachments: massif-8419.png, massif.out.8419
>
>
> *HAVING* configured concurrency-checks-enabled=false in the client-cache.xml
> for a region
> *HAVING* configured heap-lru-limit=10 in the client-cache.xml for the region
> region
> *HAVING* configured heap-lru-delta=10 in the client-cache.xml for the region
> region
> *HAVING* configured subscription-notification for the pool on which the
> region is defined
> *HAVING* regsitered interest on all the keys of this region, values included
> *AFTER* receiving lots of LOCA_CREATE and LOCAL_DESTROY notifications
> *THEN* memory increases continously over time, even going over the LRU limit.
> Find massif tool report as massif.out.8419 showing the memory increase.
> Also this is a capture of massif-visualizer for the report:
> !massif-8419.png!
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