Versions Compared

Old Version 28

changes.mady.by.user Jingsong Lee

Saved on

compared with

New Version 29

changes.mady.by.user Jingsong Lee

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Status

Current state: Under Discussion

...

In addition to session options that can be configured individually for each table by removing the prefix, there are also some options that can be configured individually only for tables, they are the options that affect reading and writing:

Key

Default

Type

Description

log.scanfullString

Specifies the scan startup mode for log consumer.

  • full: Performs a snapshot on the table upon first startup, and continue to read the latest changes. (Using HybridSource, the switching between snapshot and changes is exactly-once consistency because we store the offset of the corresponding log to snapshot when writing data)
  • latest: Start from the latest.
  • from-timestamp: Start from user-supplied timestamp.
log.scan.timestamp-mills(none)LongOptional timestamp used in case of "from-timestamp" scan mode.
change-trackingtrueBooleanIf users do not need to consume changes from the table, they can disable Change Tracking. This can reduce resource consumption.

Bucket

The record is hashed into different buckets according to the primary key (if have) or the whole row (without primary key):

...