Lantao Jin created HDFS-11060:
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Summary: make DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED configurable
Key: HDFS-11060
URL: https://issues.apache.org/jira/browse/HDFS-11060
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Reporter: Lantao Jin
Priority: Minor
Current, the easiest way to determine which blocks is missing is using NN web
UI or JMX. Unfortunately, because the
DEFAULT_MAX_CORRUPT_FILEBLOCKS_RETURNED=100 is hard code in FSNamesystem, only
100 missing blocks can be return by UI and JMX. Even the result of URL
"https://nn:50070/fsck?listcorruptfileblocks=1&path=%2F"; is limited by this
hard code value too.
I did know FSCK can return more than 100 result but due to the security
reason(with kerberos), it is very hard to involve to costumer programs and
scripts.
So I think it should add a configurable var "maxCorruptFileBlocksReturned" to
fix above case.
If community also think it's worth to do, I will patch this. If not, please
feel free to tell me the reason.
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