smiletrl opened a new pull request, #659:
URL: https://github.com/apache/incubator-seata-go/pull/659
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**What this PR does**:
add undo compressor config support
**Which issue(s) this PR fixes**:
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Fixes #654
**Special notes for your reviewer**:
**Does this PR introduce a user-facing change?**:
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```release-note
User will have compressor type log supported. The possible options are:
- None
- Gzip
- Zip
- Sevenz
- Bzip2
- Lz4
- Zstd
- Deflate
and the config location is:
undo:
# Judge whether the before image and after image are the same，If it is
the same, undo will not be recorded
data-validation: true
# Serialization method
log-serialization: json
# undo log table name
log-table: undo_log
# Only store modified fields
only-care-update-columns: true
compress:
# Compression type
type: zip
# Compression threshold Unit: k
threshold: 64k
```
```
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