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@mreiferson mreiferson released this 06 Feb 15:45
· 1293 commits to master since this release
v0.2.25
97a61d1

IMPORTANT: please upgrade to v0.2.26 to resolve a potentially important regression.

Upgrading from 0.2.24: No backwards incompatible changes.

This release adds several commonly requested features.

First, thanks to @elubow you can now configure your clients to sample the stream they're subscribed to. To read more about the details of the implementation see #286 and the original discussion in #223. Eric also contributed an improvement to nsq_tail to add the ability to tail the last N messages and exit.

We added config file support (TOML) for nsqd, nsqlookupd, and nsqadmin - providing even more deployment flexibility. Example configs are in the contrib directory. Command line arguments override the equivalent option in the config file.

We added the ability to pause a topic (it is already possible to pause individual channels). This functionality stops all message flow from topic to channel for all channels of a topic, queueing at the topic level. This enables all kinds of interesting possibilities like atomic channel renames and trivial infrastructure wide operations.

Finally, we now compile the static assets used by nsqadmin into the binary, simplifying deployment. This means that --template-dir is now deprecated and will be removed in a future release and you can remove the templates you previously deployed and maintained.

New Features / Enhancements:

  • #286 - add client IDENTIFY option to sample a % of messages
  • #279 - add TOML config file support to nsqd, nsqlookupd, and nsqadmin
  • #263 - add ability to pause a topic
  • #291 - compile templates into nsqadmin binary
  • #285/#288 - nsq_tail support for -n # to get recent # messages
  • #287/#294 - display client IDENTIFY attributes in nsqadmin (sample rate, TLS, compression)
  • #189/#296 - add client user agent to nsqadmin
  • #297 - add nsq_to_nsq JSON message filtering options
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