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sevanalysis

Wikimedia

Apps and SaaS. Source: Wikimedia status page.

Incidents, last 90 days
3
Median to mitigation
15m
Median to resolution
1h 47m
p95 to resolution
24h 1m
Naming an upstream provider
0%
With a postmortem on the status page
0%

What failed, last 90 days

A zone, region or data center became unavailable1
The text does not say enough to tell1
Network, DNS, routing or connectivity failure1

Tagged by claude-haiku-5-5 from each incident's updates. See the methodology.

Incidents per month

All recorded incidents

Service disruption critical 2026-09-23 17:26 UTC 1h 47m

Affected: Reading, Editing

Failure mode: A zone, region or data center became unavailable. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. investigating

    We are currently investigating this issue.

  3. monitoring

    We are aware that many users had trouble accessing Wikipedia and other Wikimedia sites. We experienced a power failure and have moved services over to a different data center. Services should be restoring.

  4. monitoring

    Services are in the process of coming up. We will update this page when resolved

  5. resolved

    Services are back up. We are continuing to monitor.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Wikipedia and other sites slow or unavailable major 2026-08-25 18:24 UTC 1h 32m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that many users are having trouble accessing Wikipedia and other Wikimedia sites, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Connectivity issues from Russia minor 2026-07-30 10:08 UTC 24h 1m

Affected: Reading

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. monitoring

    There are reports of connectivity issues from Russia outside of our control. The issues mostly affect image and media serving.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Ongoing network outage, users might be unable to reach the wikis major 2026-07-01 14:44 UTC 5m

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. investigating

    The outage is currently recovering at 14:45 UTC

  3. investigating

    We are continuing to investigate this issue.

  4. resolved

    The impact is resolved, we are monitoring the site health.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Wikipedia and other wikis reporting errors with edits none 2026-04-02 11:17 UTC 3h 10m

Affected: Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating an issue which is causing a number of edits to Wiki's to fail. Investigation continuing and updates to follow.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Wikis were in read only mode minor 2026-03-05 15:36 UTC 8h 29m

Affected: Reading, Editing

Failure mode: A configuration change caused the failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing some wikis, and we are investigating.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. identified

    Wikis are back in read write mode, but some functionalities are still disabled

  4. monitoring

    A fix has been implemented and we are monitoring the results. Some editing functionality will still be disabled.

  5. monitoring

    We are continuing to monitor for any further issues.

  6. resolved

    Wikis have been read-write for several hours, and we have now restored most user scripting capabilities.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Edits to Wikipedia and other wikis are delayed minor 2026-03-03 10:09 UTC 15m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    We have discovered an issue with our database servers and are working on a fix.

  2. monitoring

    We think we have fixed the database issue, but we are watching to make sure.

  3. resolved

    Everything is back to normal.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Issues and degraded performance accessing Wikis major 2026-02-26 16:25 UTC 33m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. monitoring

    A fix has been implemented and we are monitoring the results.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Issues and degraded performance accessing Wikis major 2026-02-25 16:40 UTC 43m

Affected: Reading

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Issues and slow down in Europe minor 2026-02-20 19:03 UTC 4h 29m

Affected: Reading

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Issues accessing wikis for some users none 2026-01-26 00:19 UTC 0m

Affected: Reading, Editing

Failure mode: Network, DNS, routing or connectivity failure. Root cause: Network or DNS. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  1. resolved

    A network interruption impacted some users accessing the wikis

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Increase of wiki errors. none 2025-12-23 10:03 UTC 3h 13m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating an increased amount of errors with some wikis.

  2. monitoring

    The issue seems to be recovered - we are still monitoring.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis major 2025-12-03 17:36 UTC 47m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing some wikis, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with images and thumbnails minor 2025-11-15 00:00 UTC 40m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis none 2025-11-06 11:10 UTC 0m

Failure mode: Traffic surge or denial-of-service attack. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. resolved

    We are aware of issues with accessing some wikis. Some wikimedia sites failed to load with a 429 error for some users.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Connectivity issues for EMEA users none 2025-10-08 09:09 UTC 18m

Affected: Reading, Editing

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. monitoring

    A fix has been implemented and we are monitoring the results.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Availability issues with wikis none 2025-10-03 07:31 UTC 16m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with images and thumbnails none 2025-10-01 12:22 UTC 41m

Affected: Reading

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing images on some wikis, and we are investigating.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis, editing unavailable on enwiki major 2025-09-19 17:08 UTC 1h 25m

Affected: Reading, Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing some wikis, particularly enwiki, and we are investigating. At this time, edits to enwiki are unavailable, and read operations across all wikis may be degraded.

  2. identified

    We have identified an issue impacting the enwiki database primary and continue to investigate. Edits should once again be available for enwiki, and read operations across wikis should no longer be degraded.

  3. monitoring

    We are continuing to monitor and investigate potential triggers.

  4. resolved

    This incident has resolved and we are investigating follow-up actions to prevent its recurrence in the future.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

API availability issues major 2025-09-11 10:03 UTC 32m

Affected: Editing

Failure mode: Hardware, power, cooling or another physical failure. Root cause: Hardware or facility. Tagged by claude-haiku-5-5 with high confidence (taxonomy v0.2).

  1. investigating

    We have noticed an increase in 500 errors from our internal and external APIs. We are investigating the cause

  2. investigating

    We are continuing to investigate this issue.

  3. monitoring

    A hardware failure has been identified and mitigated, we are monitoring the situation.

  4. resolved

    All APIs are operational.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Increased error rates on all wikis major 2025-07-02 14:00 UTC 1h 12m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are investigating an issue affecting reading and editing on all wikis

  2. identified

    The issue has been identified and a fix is being implemented.

  3. identified

    Commons API is unavailable

  4. monitoring

    A fix has been implemented, and reads and edits are recovering.

  5. monitoring

    A fix has been implemented and we are monitoring the results.

  6. resolved

    Incident resolved, editing at normal levels.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some images major 2025-06-23 11:50 UTC 26m

Affected: Reading

Failure mode: CDN or edge layer failed or served bad content. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    We are aware of issues with accessing images on some wikis, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Captcha-protected actions on all wikis are not working major 2025-06-02 11:32 UTC 45m

Affected: Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    We are working on a fix.

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

gerrit.wikimedia.org (Code Review) down none 2025-04-30 19:34 UTC 2h 20m

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Wikis editing unavailability critical 2025-03-31 03:27 UTC 59m

Affected: Editing

Failure mode: Login, tokens, certificates or credentials failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We are investigating an issue impacting edits and / or logins, with impact beginning at approximately 2:55 UTC.

  2. investigating

    We have identified an issue that we believe is responsible for the impact to login sessions and edits, and are pursuing a fix.

  3. monitoring

    The fix appears to be effective, and edit metrics are returning to normal, along with user reports of recovery. We will continue to monitor.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Partial media unavailability major 2025-03-29 15:37 UTC 1h 9m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are experiencing issue affecting media upload and download. We are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Reduced availability for some users major 2025-03-21 01:07 UTC 1h 54m

Affected: Reading

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    Some users are experiencing connectivity issues to Wikimedia project pages. Staff are investigating the issue

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. monitoring

    We are continuing to monitor for any further issues.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with images minor 2025-03-19 11:19 UTC 1h 24m

Affected: Reading

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing images, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Editing issues minor 2025-03-13 11:36 UTC 2h 54m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that users are having trouble editing Wikipedia and other Wikimedia wikis, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. monitoring

    We are continuing to monitor for any further issues.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Editing issues minor 2025-03-12 11:34 UTC 2h 20m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that users are having trouble editing Wikipedia and other Wikimedia wikis, and we are investigating.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. identified

    We are continuing to work on a fix for this issue.

  4. monitoring

    A fix has been implemented and we are monitoring the results.

  5. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Wikimedia Gerrit git repository is unavailable minor 2025-03-07 14:42 UTC 28m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that developers are having trouble updating and checking out code from gerrit.wikimedia.org and our engineers are working on it.

  2. investigating

    We are continuing to investigate this issue.

  3. identified

    The issue has been identified and a fix is being implemented.

  4. monitoring

    A fix has been implemented and we are monitoring the results.

  5. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

www.wikipedia.org portal unavailable on some locations major 2025-02-28 09:36 UTC 1h 21m

Affected: Reading

Failure mode: A configuration change caused the failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that many users are having trouble accessing the portal www.wikipedia.org for excessive redirects, and we are investigating.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Unscheduled maintenance to prevent database errors none 2025-02-03 13:00 UTC 0m

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. resolved

    For some minutes between 13:07 to 13:14 UTC, wikis in the s3 section ( https://noc.wikimedia.org/conf/highlight.php?file=dblists/s3.dblist ) were in read only mode (reads could happen, but edits were not allowed) due to unscheduled maintenance in order to fix ongoing database...

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Occasional errors with Wikimedia commons media access minor 2024-12-23 20:08 UTC 1h 30m

Affected: Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Errors for logged in and some logged-out users major 2024-12-05 05:02 UTC 17m

Affected: Reading, Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. monitoring

    A primary database server for cached data experienced an issue serving requests. We have corrected the issue and services are recovering.

  2. resolved

    The remediation was successful.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues in the Dallas TX datacenter major 2024-10-24 11:02 UTC 3h

Affected: Reading, Editing

Failure mode: A zone, region or data center became unavailable. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    Reading and editing is affected. We are investigating the issue.

  2. investigating

    We shifted read traffic to the secondary datacenter, which helped with the overloaded database. We are still investigating the root cause.

  3. monitoring

    We have repooled the primary datacenter for read traffic and are monitoring the situation while investigating the root cause.

  4. monitoring

    We are continuing to monitor for any further issues.

  5. resolved

    Traffic back to baseline, root cause investigation is still ongoing but the incident is resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis major 2024-10-09 05:00 UTC 0m

Failure mode: Exhausted memory, disk, CPU, queues, connection pools or quotas. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. resolved

    For approximately one hour after 5am UTC some uncached requests, such as those coming from logged in users, edits and api calls observed high latencies and/or errors due to an overload on MediaWiki nodes at the primary datacenter.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Site slow for users in the Asia region (eqsin) minor 2024-09-28 20:55 UTC 1h 48m

Affected: Reading

Failure mode: Network, DNS, routing or connectivity failure. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. identified

    We are investigating issues with connectivity to our sites from the Asia region.

  2. identified

    We are continuing to work on a fix for this issue.

  3. monitoring

    A fix has been implemented and we are monitoring the results.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Eventgate failure in codfw minor 2024-08-22 12:36 UTC 11m

Affected: Reading, Editing

Failure mode: Orchestration, control plane, service discovery or load balancing failed. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue; in the mean time, events will not propagate properly, and some operations may fail.

  2. monitoring

    Eventgate has returned to normal operation, we are continuing to monitor the situation.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues critical 2024-08-14 21:00 UTC 3h 56m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We're currently experiencing a recurrence of lag on our MariaDB S4 primary instance.

  2. monitoring

    We are monitoring the situation and continuing to investigate the root cause of brief recurring lag spikes.

  3. resolved

    This incident has been resolved. We're continuing to address the root cause to reduce future recurrences.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues critical 2024-08-14 14:22 UTC 6h 17m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We're currently experiencing a recurrence of lag on our MariaDB S4 primary instance. We are investigating to determine the root cause.

  2. monitoring

    We have mitigated the issue, but we are still searching for the root cause. We are monitoring the situation. Short recurrences are likely.

  3. resolved

    We've made changes to reduce primary database load, and things are stable for now.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues critical 2024-08-14 09:49 UTC 11m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We're currently experiencing a recurrence of lag on our MariaDB S4 primary instance.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues critical 2024-08-13 21:25 UTC 37m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We're currently experiencing lag on our MariaDB S4 primary instance

  2. investigating

    We are continuing to investigate this issue.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Database issues critical 2024-08-13 18:15 UTC 24m

Affected: Editing

Failure mode: Data delayed, stale, lost or corrupted, or needing replay after recovery. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We're currently experiencing lag on our MariaDB S4 primary instance

  2. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Problems with our secondary datacenter major 2024-07-18 11:56 UTC 54m

Affected: Reading

Failure mode: A zone, region or data center became unavailable. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with medium confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. monitoring

    Everything is back to normal.

  4. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis minor 2024-07-10 15:05 UTC 21m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing some wikis, and we are investigating.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Issues with multiple wikis major 2024-06-24 20:12 UTC 36m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are currently investigating this issue.

  2. identified

    The issue has been identified and a fix is being implemented.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Editing issues major 2024-06-22 22:42 UTC 5h 9m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware that users are having trouble editing Wikipedia and other Wikimedia wikis, and we are investigating.

  2. monitoring

    Things appear stable and we are monitoring.

  3. resolved

    The sites remain stable and we believe the incident to be resolved.

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Issues with some wikis none 2024-06-10 10:10 UTC 19m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. identified

    We are aware of issues with saving edits to some wikis, and we are working on a fix.

  2. monitoring

    A fix has been implemented and we are monitoring the results.

  3. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.

Trouble with some wikis major 2024-04-17 09:26 UTC 1h 33m

Affected: Reading, Editing

Failure mode: The text does not say enough to tell. Root cause: The vendor does not say why it happened. Tagged by claude-haiku-5-5 with low confidence (taxonomy v0.2).

  1. investigating

    We are aware of issues with accessing some wikis, and we are investigating.

  2. investigating

    We are continuing to investigate this issue.

  3. identified

    The issue has been identified and a fix is being implemented.

  4. monitoring

    A fix has been implemented and we are monitoring the results.

  5. resolved

    This incident has been resolved.

Excerpts are shortened. Read the full incident on Wikimedia's status page.