issue: #37579
If the schema includes large varchar fields, a few thousand rows can
reach hundreds of MB in size. Therefore, if the batch size of the
segment writer is large, it will produce relatively large `binlogs`,
which can cause datanode to run out of memory (OOM) during compaction.
Signed-off-by: Cai Zhang <cai.zhang@zilliz.com>
issue: #33744
This PR includes the following changes:
1. Added a new task type to the task scheduler in datacoord: stats task,
which sorts segments by primary key.
2. Implemented segment sorting in indexnode.
3. Added a new field `FieldStatsLog` to SegmentInfo to store token index
information.
---------
Signed-off-by: Cai Zhang <cai.zhang@zilliz.com>
