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https://issues.apache.org/jira/browse/TAJO-846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012088#comment-14012088
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ASF GitHub Bot commented on TAJO-846:
-------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/20#discussion_r13169692
--- Diff: tajo-core/src/main/java/org/apache/tajo/worker/TaskHistory.java
---
@@ -1,198 +0,0 @@
-/**
- * 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.tajo.worker;
-
-import org.apache.tajo.catalog.statistics.TableStats;
-import org.apache.tajo.util.FileUtil;
-
-import java.net.URI;
-import java.util.Collection;
-import java.util.Map;
-
-public class TaskHistory {
--- End diff --
That's a good idea!
As you said, FetcherHistory requires a lot of memory space. The debug
option will be good solution in this time.
> Clean up the task history in woker
> ----------------------------------
>
> Key: TAJO-846
> URL: https://issues.apache.org/jira/browse/TAJO-846
> Project: Tajo
> Issue Type: Improvement
> Components: worker
> Affects Versions: 0.8.0, 0.9.0
> Reporter: Jinho Kim
> Assignee: Jinho Kim
>
> The task history currently store the thread in memory. it can’t store to
> other storage(hdfs, local file ..). It would be nice if task history separate
> from taskrunner
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