[
https://issues.apache.org/jira/browse/HDDS-1200?focusedWorklogId=282897&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-282897
]
ASF GitHub Bot logged work on HDDS-1200:
----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Jul/19 20:49
Start Date: 25/Jul/19 20:49
Worklog Time Spent: 10m
Work Description: swagle commented on pull request #1154: [HDDS-1200] Add
support for checksum verification in data scrubber
URL: https://github.com/apache/hadoop/pull/1154#discussion_r307494588
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/ContainerMetadataScanner.java
##########
@@ -0,0 +1,105 @@
+/*
+ * 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.hadoop.ozone.container.ozoneimpl;
+
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.commons.net.ntp.TimeStamp;
+import org.apache.hadoop.ozone.container.common.interfaces.Container;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.Iterator;
+
+/**
+ * This class is responsible to perform metadata verification of the
+ * containers.
+ */
+public class ContainerMetadataScanner extends Thread {
+ public static final Logger LOG =
+ LoggerFactory.getLogger(ContainerMetadataScanner.class);
+
+ private final ContainerController controller;
+ /**
+ * True if the thread is stopping.<p/>
+ * Protected by this object's lock.
+ */
+ private boolean stopping = false;
+
+ public ContainerMetadataScanner(ContainerController controller) {
+ this.controller = controller;
+ setName("ContainerMetadataScanner");
+ setDaemon(true);
+ }
+
+ @Override
+ public void run() {
+ /**
+ * the outer daemon loop exits on down()
+ */
+ LOG.info("Background ContainerMetadataScanner starting up");
+ while (!stopping) {
+ scrub();
+ if (!stopping) {
+ try {
+ Thread.sleep(300000); /* 5 min between scans */
Review comment:
This should be configurable, no?
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Issue Time Tracking
-------------------
Worklog Id: (was: 282897)
Time Spent: 0.5h (was: 20m)
> Ozone Data Scrubbing : Checksum verification for chunks
> -------------------------------------------------------
>
> Key: HDDS-1200
> URL: https://issues.apache.org/jira/browse/HDDS-1200
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Supratim Deka
> Assignee: Hrishikesh Gadre
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Background scrubber should read each chunk and verify the checksum.
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