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updated CHANGELOG

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jsteemann 2017-10-31 01:29:49 +01:00
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devel
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* incremental transfer of initial collection data now can handle partial
responses for a chunk, allowing the leader/master to send smaller chunks
(in terms of HTTP response size) and limit memory usage
* initial creation of shards for cluster collections is now faster with
replicationFactor values bigger than 1. this is achieved by an optimization
for the case when the collection on the leader is still empty
* potential fix for issue #3517: several "filesystem full" errors in logs
while there's a lot of disk space