raboof/pekko
1
0
Fork 0
Code Issues Pull requests Projects Releases 6 Packages Wiki Activity Actions 11

+per #17668 allows not configuring a snapshot-store if it is never used

Browse source
This commit is contained in:
Konrad Malawski 2015-07-22 16:22:55 +02:00
parent 1067eddb6e
commit ea1016bdf4
7 changed files with 146 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
akka-docs/rst/java/lambda-persistence.rst
View file

@ -485,6 +485,14 @@ If not specified, they default to ``SnapshotSelectionCriteria.latest()`` which s
To disable snapshot-based recovery, applications should use ``SnapshotSelectionCriteria.none()``. A recovery where no
saved snapshot matches the specified ``SnapshotSelectionCriteria`` will replay all journaled messages.
.. note::
In order to use snapshots a default snapshot-store (``akka.persistence.snapshot-store.plugin``) must be configured,
or the persistent actor can pick a snapshot store explicitly by overriding ``String snapshotPluginId()``.
Since it is acceptable for some applications to not use any snapshotting, it is legal to not configure a snapshot store,
however Akka will log a warning message when this situation is detected and then continue to operate until
an actor tries to store a snapshot, at which point the the operation will fail (by replying with an ``SaveSnapshotFailure`` for example).
Snapshot deletion
-----------------

8
akka-docs/rst/java/persistence.rst
View file

@ -488,6 +488,14 @@ If not specified, they default to ``SnapshotSelectionCriteria.latest()`` which s
To disable snapshot-based recovery, applications should use ``SnapshotSelectionCriteria.none()``. A recovery where no
saved snapshot matches the specified ``SnapshotSelectionCriteria`` will replay all journaled messages.
.. note::
In order to use snapshots a default snapshot-store (``akka.persistence.snapshot-store.plugin``) must be configured,
or the persistent actor can pick a snapshot store explicitly by overriding ``String snapshotPluginId()``.
Since it is acceptable for some applications to not use any snapshotting, it is legal to not configure a snapshot store,
however Akka will log a warning message when this situation is detected and then continue to operate until
an actor tries to store a snapshot, at which point the the operation will fail (by replying with an ``SaveSnapshotFailure`` for example).
Snapshot deletion
-----------------