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https://issues.apache.org/jira/browse/GOBBLIN-846?focusedWorklogId=291564&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-291564
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ASF GitHub Bot logged work on GOBBLIN-846:
------------------------------------------
Author: ASF GitHub Bot
Created on: 08/Aug/19 20:34
Start Date: 08/Aug/19 20:34
Worklog Time Spent: 10m
Work Description: sv2000 commented on pull request #2701: GOBBLIN-846:
Enhance LogCopier service to handle continuous YARN log …
URL: https://github.com/apache/incubator-gobblin/pull/2701#discussion_r312230939
##########
File path:
gobblin-utility/src/main/java/org/apache/gobblin/util/logs/LogCopier.java
##########
@@ -536,14 +521,15 @@ private void copyChangesOfLogFile(Path srcFile, Path
destFile) throws IOExceptio
try (Closer closer = Closer.create()) {
fsDataInputStream =
closer.register(LogCopier.this.srcFs.open(srcFile));
- // Seek to the the most recent position if it is available
- LOGGER.debug(String.format("Reading log file %s from position %d",
srcFile, this.currentPos));
- fsDataInputStream.seek(this.currentPos);
BufferedReader srcLogFileReader = closer.register(
new BufferedReader(new InputStreamReader(fsDataInputStream,
ConfigurationKeys.DEFAULT_CHARSET_ENCODING)));
- FSDataOutputStream outputStream =
LogCopier.this.destFs.exists(destFile)
- ? LogCopier.this.destFs.append(destFile) :
LogCopier.this.destFs.create(destFile);
+ //If file already exists, delete and re-copy the file.
+ if (LogCopier.this.destFs.exists(destFile)) {
Review comment:
Agreed. This is un-necessary. This condition will never be satisfied since
we filter out files which have already been copied.
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Issue Time Tracking
-------------------
Worklog Id: (was: 291564)
Time Spent: 1h (was: 50m)
> Enhance LogCopier service to handle continuous YARN log aggregation
> -------------------------------------------------------------------
>
> Key: GOBBLIN-846
> URL: https://issues.apache.org/jira/browse/GOBBLIN-846
> Project: Apache Gobblin
> Issue Type: Improvement
> Components: gobblin-yarn
> Affects Versions: 0.15.0
> Reporter: Sudarshan Vasudevan
> Assignee: Abhishek Tiwari
> Priority: Major
> Fix For: 0.15.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> This task enhances LogCopier service to perform continuous log aggregation
> for long-running Gobblin-on-Yarn applications. It periodically copies rolled
> container logs to a specified location on HDFS. The "current" log file is
> copied in the end as part of the service shutdown sequence.
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