Intrinsic limits for HDFS files, directories
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Key: HDFS-1751
URL: https://issues.apache.org/jira/browse/HDFS-1751
Project: Hadoop HDFS
Issue Type: New Feature
Components: data-node
Affects Versions: 0.22.0
Reporter: Daryn Sharp
Assignee: Daryn Sharp
Fix For: 0.23.0
Enforce a configurable limit on:
the length of a path component
the number of names in a directory
The intention is to prevent a too-long name or a too-full directory. This is
not about RPC buffers, the length of command lines, etc. There may be good
reasons for those kinds of limits, but that is not the intended scope of this
feature. Consequently, a reasonable implementation might be to extend the
existing quota checker so that it faults the creation of a name that violates
the limits. This strategy of faulting new creation evades the problem of
existing names or directories that violate the limits.
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