Oleg Kibirev created CASSANDRA-5278:
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Summary: Throttle streaming during repair to control disk space use
Key: CASSANDRA-5278
URL: https://issues.apache.org/jira/browse/CASSANDRA-5278
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 1.1.10
Reporter: Oleg Kibirev
Currently, doing a repair can consume a multiple of disk space originally
needed on the node. For example, consider a cluster with 4 replicas. In the
worst case, a node will have to stream half of the data from each of the 3
other replicas, consuming 250% of original disk space.
We need some mechanism to allow compaction to catch up and restore reasonable
disk usage. For example, the code that receives a stream can wait until a
configurable percentage of available disk space is free, or until the number of
compacted sstable is less than a certain threshold.
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