8000 Follow-up for APM-79 by jsteemann · Pull Request #14584 · arangodb/arangodb · GitHub
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Merged
merged 4 commits into from
Aug 4, 2021
Merged

Follow-up for APM-79 #14584

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8161f65
Follow-up for APM-79
jsteemann Aug 3, 2021
32ebfee
only renew tokens for actively used sessions
jsteemann Aug 3, 2021
c1aefaf
update CHANGELOG entry
jsteemann Aug 3, 2021
3bd4c84
Merge branch 'devel' into feature/apm-79-followup
jsteemann Aug 4, 2021
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Merge branch 'devel' into feature/apm-79-followup
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@jsteemann
jsteemann authored Aug 4, 2021
commit 3bd4c8484d9b6923a4351a397d03fe2744c99548
17 changes: 17 additions & 0 deletions CHANGELOG
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Expand Up @@ -9,6 +9,23 @@ devel
90 minutes) will automatically renew their JWT if they get close to the
JWT expiry date.

* Reduce memory usage for in-memory revision trees. Previously, a revision
tree instance for a non-empty collection/shard was using 4 MB of memory
when uncompressed. Trees that were unused for a while were compressed on
the fly to use less memory, and later uncompressed again when needed.
Now the uncompressed in-memory version of the revision tree will
dynamically allocate memory as needed. This allows the initial version
of the trees to get away with just 64 KB of memory. Memory usage will
grow lazily when more parts of the trees get populated. The compression
of unused in-memory tree data is still in place.

* Refactored arangobench:
- Updated testcases to show description of them when beginning execution
- Fixed testcase histogram with time measures when batch size > 0
- Integrated testcases with Velocypack for simplification
- Deprecated some testcases
- Internal changes for performance optimization

* Timely update of database server list on health check fixes BTS-505.

* Add 3 AQL functions: COSINE_SIMILARITY, L1_DISTANCE and L2_DISTANCE.
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