Arshak Navruzyan created ACCUMULO-2223:
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Summary: minor corrections to 1.5 documentation regarding WAL
Key: ACCUMULO-2223
URL: https://issues.apache.org/jira/browse/ACCUMULO-2223
Project: Accumulo
Issue Type: Improvement
Affects Versions: 1.5.0, 1.5.1, 1.6.0, 1.6.1, 1.7.0
Reporter: Arshak Navruzyan
Assignee: Arshak Navruzyan
Priority: Minor
Fix For: 1.5.1
A few paragraphs in the documentation suggest that the WAL is created locally
and only copied to HDFS for/during recovery.
2.8. Fault-Tolerance
The Master will coordinate the copying of write-ahead logs to HDFS so the logs
are available to all tablet servers.
11.10. Recovery
Recovery is performed by asking the loggers to copy their write-ahead logs into
HDFS. As the logs are copied, they are also sorted, so that tablets can easily
find their missing updates. The copy/sort status of each file is displayed on
Accumulo monitor status page.
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