# Outages on December 21, 2017 (UTC) > 10 incidents started on December 21, 2017 (UTC) on the status pages Rewindex archives, 1 labelled major or critical by the vendor (Braze); 7 more were still open from earlier days. Canonical: https://rewindex.com/outages/2017-12-21 Last updated: 2017-12-22T18:20:00Z - Incidents started: 10 (major/critical: 1, other: 9) across 8 vendors - Still open from earlier days: 7 · Maintenance windows: 2 · Detected outage events: 0 - By vendor impact label: major 1, minor 7, none 2 - Previous day with incidents: [2017-12-20](https://rewindex.com/outages/2017-12-20.md) · Next: [2017-12-22](https://rewindex.com/outages/2017-12-22.md) · [All days](https://rewindex.com/outages.md) Impact labels are the vendor’s own. Incidents come from each vendor’s status page; Rewindex does not measure outages. ## Incidents started this day | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Braze](https://rewindex.com/company/braze.md) | [EU-01 - Elevated Errors](https://rewindex.com/company/braze/incidents/0h1gkwbtc7z5.md) | major | 2017-12-21 18:43 UTC | 2017-12-21 20:25 UTC | resolved | | [Discord](https://rewindex.com/company/discord.md) | [Connection / Message Issues](https://rewindex.com/company/discord/incidents/8ny23zc6bvpy.md) | minor | 2017-12-21 00:00 UTC | 2017-12-21 01:43 UTC | resolved | | [Mixpanel](https://rewindex.com/company/mixpanel.md) | [Temporary Data Ingestion & Message Delay](https://rewindex.com/company/mixpanel/incidents/40c2g87fsrky.md) | minor | 2017-12-21 10:05 UTC | 2017-12-21 13:13 UTC | resolved | | [Mux](https://rewindex.com/company/mux.md) | [Elevated API Errors](https://rewindex.com/company/mux/incidents/q2r6t75m683v.md) | minor | 2017-12-21 10:29 UTC | 2017-12-21 13:23 UTC | resolved | | [Aircall](https://rewindex.com/company/aircall.md) | [Partial outage on inbound calls in UK](https://rewindex.com/company/aircall/incidents/szbklsbncch8.md) | minor | 2017-12-21 14:30 UTC | 2017-12-21 18:48 UTC | resolved | | [Plivo](https://rewindex.com/company/plivo.md) | [UK DIDs partially affected](https://rewindex.com/company/plivo/incidents/zwy9yjw6v4y5.md) | minor | 2017-12-21 16:20 UTC | 2017-12-21 20:37 UTC | resolved | | [Mixpanel](https://rewindex.com/company/mixpanel.md) | [Temporary Data Ingestion & Message Delay Impacting a Subset of Projects](https://rewindex.com/company/mixpanel/incidents/jgw13myhb8pv.md) | minor | 2017-12-21 19:06 UTC | 2017-12-22 02:10 UTC | resolved | | [Mux](https://rewindex.com/company/mux.md) | [Data Processing Delays - Reporting Tools Affected](https://rewindex.com/company/mux/incidents/43wg16q2l94s.md) | minor | 2017-12-21 21:52 UTC | 2017-12-22 18:20 UTC | resolved | | [Trello](https://rewindex.com/company/trello.md) | [Trello is slow or unavailable](https://rewindex.com/company/trello/incidents/f9x5lp3cg8kk.md) | none | 2017-12-21 21:33 UTC | 2017-12-21 23:04 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [Elevated level of HTTP 500 errors returned from Task Router API](https://rewindex.com/company/twilio/incidents/57ddsfqyk3xd.md) | none | 2017-12-21 22:27 UTC | 2017-12-21 22:27 UTC | resolved | ## Still open from earlier days | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Bandwidth](https://rewindex.com/company/bandwidth.md) | [Bandwidth Local Market Impairment - 248 - Richmond, VA](https://rewindex.com/company/bandwidth/incidents/hvfc075dp6pr.md) | major | 2017-12-20 22:28 UTC | 2017-12-21 03:18 UTC | resolved | | [BigCommerce](https://rewindex.com/company/bigcommerce.md) | [Data missing in Control Panel Analytics and Insights](https://rewindex.com/company/bigcommerce/incidents/dhjr57745jzd.md) | minor | 2017-12-14 03:19 UTC | 2017-12-22 00:32 UTC | resolved | | [Heap](https://rewindex.com/company/heap.md) | [Delayed Heap SQL Syncs](https://rewindex.com/company/heap/incidents/ywx7xb7flyxp.md) | minor | 2017-12-20 14:07 UTC | 2017-12-21 02:24 UTC | resolved | | [Segment](https://rewindex.com/company/segment.md) | [App timing out/erroring intermittently](https://rewindex.com/company/segment/incidents/2lxssb06y2wv.md) | none | 2017-12-20 22:37 UTC | 2017-12-21 03:38 UTC | resolved | | [Mux](https://rewindex.com/company/mux.md) | [Elevated Dashboard API Errors](https://rewindex.com/company/mux/incidents/5yv74q6lp58m.md) | none | 2017-12-20 22:53 UTC | 2017-12-21 00:51 UTC | resolved | | [Stitch](https://rewindex.com/company/stitch.md) | [Panoply Loading Errors](https://rewindex.com/company/stitch/incidents/x5l1rfh6rrgn.md) | none | 2017-12-20 23:19 UTC | 2017-12-21 04:01 UTC | resolved | | [Segment](https://rewindex.com/company/segment.md) | [Destinations Data Delay](https://rewindex.com/company/segment/incidents/qvlh8zhhnf7v.md) | none | 2017-12-20 23:55 UTC | 2017-12-21 03:05 UTC | resolved | ## Maintenance | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [PyPI (Python Infrastructure)](https://rewindex.com/company/pypi.md) | [\[Scheduled\] OSUOSL Ganeti Cluster Upgrade](https://rewindex.com/company/pypi/incidents/6v34ns57x31s.md) | maintenance | 2017-12-21 17:00 UTC | 2017-12-21 20:00 UTC | resolved | | [Bitbucket](https://rewindex.com/company/bitbucket.md) | [\[Scheduled\] Datacenter power maintenance](https://rewindex.com/company/bitbucket/incidents/7zr0ngqjqk2p.md) | maintenance | 2017-12-21 23:00 UTC | 2017-12-21 23:30 UTC | resolved | ## Cite this 10 vendor-reported incidents started on 2017-12-21 (UTC) across 8 vendors, 1 labelled major or critical by the vendor. - Canonical URL: https://rewindex.com/outages/2017-12-21 - Citation: Rewindex daily outage roundup, “Outages on December 21, 2017” (2017-12-21 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2017-12-21 (CC BY 4.0). - Markdown link: `[Rewindex daily outage roundup: Outages on December 21, 2017 (2017-12-21)](https://rewindex.com/outages/2017-12-21)` --- Canonical: https://rewindex.com/outages/2017-12-21 · Markdown: https://rewindex.com/outages/2017-12-21.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:34:17.603Z