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First pass text for oplog tailing in History.md.

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Nick Martin
2013-12-11 23:57:09 -08:00
parent 506fb6a552
commit 09d129b799
1 changed files with 11 additions and 1 deletions
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History.md
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@@ -6,7 +6,17 @@ recommend using this precise version of Node in production so that the patch
will be applied. If you use a newer version of Node with this version of Meteor,
Meteor will not apply the patch and will instead disable websockets.
* XXX oplog tailing
* Rework how Meteor gets realtime database updates from MongoDB. Meteor
now reads the MongoDB "oplog" -- a special collection that records all
the write operations as they are applied to your database. This means
changes to the database are instantly noticed and reflected in Meteor,
whether they originated from Meteor or from an external database
client. Oplog tailing is automatically enabled in development mode
with `meteor run`, and can be enabled in production with the
`MONGO_OPLOG_URL` environment variable. Currently the only supported
selectors are equality checks; `$`-operators, `limit` and `skip`
queries fall back to the original poll-and-diff algorithm. See <XXX
wiki page> for details.
* Add `Meteor.onConnection` and add `this.connection` to method
invocations and publish functions. These can be used to store data