wohali commented on a change in pull request #123: Documentation for the
scheduling replicator
URL:
https://github.com/apache/couchdb-documentation/pull/123#discussion_r114012444
##########
File path: src/replication/replicator.rst
##########
@@ -154,98 +203,253 @@ the following order:
.. code-block:: javascript
{
- "_id": "doc_A",
- "source": "http://myserver.com:5984/foo";,
- "target": "http://user:pass@localhost:5984/bar";
+ "_id": "my_rep",
+ "source": "http://user:pass@localhost:5984/foo";,
+ "target": "http://user:pass@localhost:5984/bar";,
+ "create_target": true,
+ "continuous": true
}
and
.. code-block:: javascript
{
- "_id": "doc_B",
- "source": "http://myserver.com:5984/foo";,
- "target": "http://user:pass@localhost:5984/bar";
- }
-
-Both describe exactly the same replication (only their ``_ids`` differ). In
this
-case document ``doc_A`` triggers the replication, getting updated by CouchDB
-with the fields ``_replication_state``, ``_replication_state_time`` and
-``_replication_id``, just like it was described before. Document ``doc_B``
-however, is only updated with one field, the ``_replication_id`` so it will
-look like this:
-
-.. code-block:: javascript
-
- {
- "_id": "doc_B",
- "source": "http://myserver.com:5984/foo";,
+ "_id": "my_rep_dup",
+ "source": "http://user:pass@localhost:5984/foo";,
"target": "http://user:pass@localhost:5984/bar";,
- "_replication_id": "c0ebe9256695ff083347cbf95f93e280"
+ "create_target": true,
+ "continuous": true
}
-While document ``doc_A`` will look like this:
-
-.. code-block:: javascript
-
- {
- "_id": "doc_A",
- "source": "http://myserver.com:5984/foo";,
- "target": "http://user:pass@localhost:5984/bar";,
- "_replication_id": "c0ebe9256695ff083347cbf95f93e280",
- "_replication_state": "triggered",
- "_replication_state_time": "2011-02-17T20:22:02+01:00"
- }
+Both describe exactly the same replication (only their ``_ids``
+differ). In this case document ``my_rep`` triggers the
+replication. While ``my_rep_dup``` will fail. Inspecting
+``_scheduler/docs`` explains exactly why it failed:
+
+.. code-block:: json
+
+ {
+ "database": "_replicator",
+ "doc_id": "my_rep_dup",
+ "error_count": 1,
+ "id": null,
+ "info": "Replication
`a81a78e822837e66df423d54279c15fe+continuous+create_target` specified by
document `my_rep_dup` already started, triggered by document `my_rep` from db
`_replicator`",
+ "last_updated": "2017-04-05T21:41:51Z",
+ "source": "http://adm:*****@localhost:5984/foo/";,
+ "start_time": "2017-04-05T21:41:51Z",
+ "state": "failed",
+ "target": "http://adm:*****@localhost:5984/bar/";
+ }
-Note that both document get exactly the same value for the ``_replication_id``
-field. This way you can identify which documents refer to the same replication
-
-you can for example define a view which maps replication IDs to document IDs.
+Notice the state for this replication is ``failed``. Unlike
+``crashing``, ``failed`` state is terminal. As long as both documents
+are present replicator will not retry to run my_rep_dub
Review comment:
replace "my_rep_dub" with ``my_rep_dup`` (spelling and typeface bug)
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