Hi Amit.
PSA my v10 patch for the Solution1.
v10 is essentially the same as v9, except now all the temporary "!!>>"
logging has been isolated to a separate (optional) patch 0002.
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Features:
* tablesync slot is now permanent instead of temporary. The tablesync
slot name is no longer tied to the Subscription slot na
* the tablesync slot cleanup (drop) code is added for DropSubscription
and for finish_sync_worker functions
* tablesync worked now allowing multiple tx instead of single tx
* a new state (SUBREL_STATE_COPYDONE) is persisted after a successful
copy_table in LogicalRepSyncTableStart.
* if a re-launched tablesync finds the state is SUBREL_STATE_COPYDONE
then it will bypass the initial copy_table phase.
* tablesync sets up replication origin tracking in
LogicalRepSyncTableStart (similar as done for the apply worker). The
origin is advanced when first created.
* tablesync replication origin tracking is cleaned up during
DropSubscription and/or process_syncing_tables_for_apply.
* the DropSubscription cleanup code was enhanced (v7+) to take care of
crashed sync workers.
* minor updates to PG docs
TODO / Known Issues:
* address review comments
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Kind Regards,
Peter Smith.
Fujitsu Australia
