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#general
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# general
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Xiang Fu

12/13/2021, 9:53 PM
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Hello Community,

We are pleased to announce that Apache Pinot 0.9.1 is released!

Apache Pinot is a realtime distributed OLAP datastore, designed to answer OLAP queries with low latency use-cases.

This is a bug fix release that includes the upgrade to the latest log4j library, v2.15.0. This is our response to CVE-2021-44228.

The release can be downloaded at <https://pinot.apache.org/download>

The release note is available at <https://docs.pinot.apache.org/basics/releases/0.9.1>

Additional resources -
Project website: <https://pinot.apache.org>
Getting started: <https://docs.pinot.apache.org/getting-started>
Pinot developer blogs: <https://medium.com/apache-pinot-developer-blog>
Intro to Pinot Video: <https://www.youtube.com/watch?v=T70jTTYhYyM>

Join Pinot Community -
Twitter: <https://twitter.com/ApachePinot>
Meetup: <https://www.meetup.com/apache-pinot/>
Slack channel: <https://communityinviter.com/apps/apache-pinot/apache-pinot>

Best Regards,

Apache Pinot Team
❤️ 5
👍 22
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Mike Davis

12/14/2021, 8:16 PM
Thanks all for getting this out so quickly. Are there any known compatibility concerns before upgrading from
0.8.0
?
Also it appears that a new CVE is requiring an upgrade to log4j 2.16.0 😞 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45046
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Xiang Fu

12/15/2021, 4:30 AM
Saw this, we will patch 0.9.2 for this. The upgrade from 0.8.0 to 0.9.x should be no compatible issue.
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Mike Davis

12/15/2021, 5:20 PM
thanks!