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updated CHANGELOG

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jsteemann 2018-12-06 18:09:24 +01:00
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v3.4.1 (XXXX-XX-XX)
-------------------
* make AQL REMOVE operations use less memory with the RocksDB storage engine
the previous implementation of batch removals read everything to remove into
memory first before carrying out the first remove operation. The new version
will only read in about 1000 documents each time and then remove these. Queries
such as
FOR doc IN collection FILTER ... REMOVE doc IN collection
will benefit from this change in terms of memory usage.
* make `--help-all` now also show all hidden program options
Previously hidden program options were only returned when invoking arangod or