new compat option: 'compat.replication_synchro_timeout'

[TarantoolBot]

Dev. issue: tarantool/tarantool#7486

Product: Tarantool
Since: 3.3.0
Root document:

• new page https://www.tarantool.io/en/doc/latest/reference/reference_lua/compat/replication_synchro_timeout/
• check pages in https://www.tarantool.io/en/doc/latest/platform/replication/ for behavior description

SME: @ Astronomax

Details

The compat module allows you to choose between:

• the old behavior: unconfirmed synchronous transactions are rolled back
  after a replication.synchro_timeout.
• and the new behavior: A synchronous transaction can remain in the synchro
  queue indefinitely until it reaches a quorum of confirmations.
  replication.synchro_timeout is used only to wait confirmation
  in promote/demote and gc-checkpointing. If some transaction in limbo
  did not have time to commit within replication_synchro_timeout,
  the corresponding operation: promote/demote or gc-checkpointing
  can be aborted automatically.
  Requested by @Astronomax in tarantool/tarantool@f0f9647.

[mandesero]

• did not have time to commit within replication_synchro_timeput,

Typo: replication_synchro_timeput → replication_synchro_timeout.