[US Region] Query Performance Issue

Incident Report for Treasure Data

Resolved

This incident has been resolved.
Posted Aug 21, 2019 - 09:28 PDT

Update

We are continuing to monitor for any further issues.
Posted Aug 21, 2019 - 09:24 PDT

Update

The system is now working normally. We will keep monitoring and adding more capacity to the system
Posted Aug 21, 2019 - 09:11 PDT

Monitoring

The fix has been applied. Query engines are now working normally.
Posted Aug 21, 2019 - 08:59 PDT

Update

We are continuing to work on a fix for this issue.
Posted Aug 21, 2019 - 08:55 PDT

Update

We are applying a fix to the issue of our partition scan service.
Posted Aug 21, 2019 - 08:52 PDT

Identified

We have found a cause of this issue. Now working on fixing the issue.
Posted Aug 21, 2019 - 08:43 PDT

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 21, 2019 - 08:40 PDT

Update

We are continuing to investigate this issue.
Posted Aug 21, 2019 - 08:39 PDT

Investigating

We are observing a slowdown of partition entry scans, resulting in query performance degradation. Investigating the cause.
Posted Aug 21, 2019 - 08:39 PDT
This incident affected: US (Streaming Import REST API, Hadoop / Hive Query Engine, Presto Query Engine, Presto JDBC/ODBC Gateway).
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