NebulaGraph community meeting [2022-01-26] (3.0 preview, dgraph and PostgreSQL import)
Topics
00:00- Intro
01:48- Community meeting kick-off and way of working - 5 mins - wey
07:02- Project heartbeats - 5 mins - wey
10:45-## PR:
LDBC test cases introduced: https://github.com/vesoft-inc/nebula/...
K6 supports NebulaGraph v1: https://github.com/vesoft-inc/k6-plug...
`SHOW HOSTS` now reports version: https://github.com/vesoft-inc/nebula/...
Configurable `max_expression_depth`: https://github.com/vesoft-inc/nebula/...
Limit number of sessions per client: https://github.com/vesoft-inc/nebula/...
PostgreSQL support in exchange: https://github.com/vesoft-inc/nebula-...
14:26- Dgraph Data Import to Nebula Graph
option 0 https://github.com/vesoft-inc/nebula-...
nebula-spark-connector & dgraph-spark-connector
option 1 https://github.com/jievince/rdf-conve...
17:03- Why is nebula in python slow?
https://discuss.nebula-graph.com.cn/t... (Chinese, but with python code)
TL;DR:
CPU-bound in case of huge returning data(unserilzation), multi-process should be considerred
IO-bound in case of long query(like `count(*)`), multi-thread helps only in this case
19:25- GraphD crash on CGROUPv2 OS/Container host OS
https://github.com/vesoft-inc/nebula/...
2.6.2 is on the way
22:06- Open floors for a sync discussion/Q&A - 0 mins
Check more on https://etherpad.opendev.org/p/nebula...