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https://issues.apache.org/jira/browse/SOLR-8550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15098459#comment-15098459
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Joel Bernstein edited comment on SOLR-8550 at 1/14/16 5:41 PM:
---------------------------------------------------------------
The general design is to add a new AsyncStream which will be handled
differently by the /stream handler. When the /stream handler sees an
AsyncStream it will open it and just keep it around in a memory. The
AsyncStream will have a thread that wakes up periodically and opens, reads, and
closes it's underlying stream. Syntax would look like this:
{code}
async(alert())
{code}
The AlertStream would be a new stream created in a different ticket.
Parallel async streams should work fine as well, facilitating very large scale
alerting systems:
{code}
parallel(async(alert()))
{code}
In the parallel example the AsyncStream would be pushed to worker nodes where
they would live.
was (Author: joel.bernstein):
The general design is to add a new AsyncStream which will be handled
differently by the /stream handler. When the /stream handler sees an
AsyncStream it will open it and just keep it around in a memory. The
AsyncStream will have a thread that wakes up periodically and opens, reads, and
closes it's underlying stream. Syntax would look like this:
{code}
async(alert())
{code}
The AlertStream would be a new stream created in a different ticket.
Parallel async streams should work fine as well, facelitating very large scale
alerting systems:
{code}
parallel(async(alert()))
{code}
In the parallel example the AsyncStream would be pushed to worker nodes where
they would live.
> Add asynchronous streams to the Streaming API to facilitate alerting
> --------------------------------------------------------------------
>
> Key: SOLR-8550
> URL: https://issues.apache.org/jira/browse/SOLR-8550
> Project: Solr
> Issue Type: Bug
> Reporter: Joel Bernstein
>
> Currently all streams are are synchronously *pulled* from a client.
> It would be great to add the capability to have Asyncronous streams that live
> within Solr that can *push* content as well. This would facilite very large
> scale alerting.
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