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https://issues.apache.org/jira/browse/GEODE-9203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen Nichols closed GEODE-9203.
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> Implement NUMSUB Subcommand
> ---------------------------
>
> Key: GEODE-9203
> URL: https://issues.apache.org/jira/browse/GEODE-9203
> Project: Geode
> Issue Type: Sub-task
> Components: redis
> Reporter: Wayne
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> Implement the
> [NUMSUB|https://redis.io/commands/pubsub#codepubsub-numsub-channel-1--channel-ncode]
> subcommand.
>
> +Acceptance Criteria+
> The NUMSUB subcommand has been implemented along with unit tests to assert
> that the subcommand correctly returns the number of subscribers (not counting
> clients subscribed to patterns) for the specified channels.
> h5. Return value
> [Array reply|https://redis.io/topics/protocol#array-reply]: a list of
> channels and number of subscribers for every channel. The format is channel,
> count, channel, count, ..., so the list is flat. The order in which the
> channels are listed is the same as the order of the channels specified in the
> command call.
> Note that it is valid to call this command without channels. In this case it
> will just return an empty list.
>
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