| Gearpump is now able to [process 18 million messages/second (100 bytes per message) with a 8ms latency on a 4-node cluster](http://www.gearpump.io/releases/latest/index.html#gearpump-performance). |
| |
| ## Change log: |
| |
| - #1247, add authentication for UI |
| - #1855: when service is unavailable, do not query models without waiting. |
| - #1833 update performance related doc |
| - #1831, Services exits on bind failure |
| - #1779: show critical path latency for application |
| - #1733 dynamic dag fall back to last dag version in case of Master HA |
| - #1804, fix navbar on mobile |
| - #1713 regression on HBaseSink |
| - #1838 YARN failure trying to contact YarnAppMaster when launched in YARN |
