Harsh J created HBASE-7849:
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Summary: Provide administrative limits around bulkloads of files
into a single region
Key: HBASE-7849
URL: https://issues.apache.org/jira/browse/HBASE-7849
Project: HBase
Issue Type: Improvement
Components: regionserver
Reporter: Harsh J
Given the current mechanism, it is possible for users to flood a single region
with 1k+ store files via the bulkload API and basically causes the region to
become a flying dutchman - never getting assigned successfully again.
Ideally, an administrative limit could solve this. If the bulkload RPC call can
check if the region already has X store files, then it can reject the request
to add another and throw a failure at the client with an appropriate message.
This may be an intrusive change, but seems necessary in perfecting the gap
between devs and ops in managing a HBase clusters. This would especially
prevent abuse in form of unaware devs not pre-splitting tables before
bulkloading things in. Currently, this leads to ops pain, as the devs think
HBase has gone non-functional and begin complaining.
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