We are contacting you to advise that we will be performing operating system level patching across all clusters over the next month.
The patching will require a rolling restart of each cluster, however this will be completed without loss of quorum for all Cassandra and Kafka clusters using RF3, RF2 would experience a brief downtime.
For Production clusters running Spark, you will receive a further notification prior to patching to confirm a specific maintenance window.
The schedule for this routine maintenance will be undertaken from midnight UTC as
follows, if there is any change to the schedule an update email will be sent.
Kafka Developer class clusters (eg. t2 size): Aug 24- Aug 25, 2020 UTC
Kafka non-production clusters: Aug 26 - Aug 28, 2020 UTC
Cassandra & Spark Developer clusters: Sep 3- Sep 4, 2020 UTC
Cassandra & Spark Non-Production clusters: Sep 7- Sep 9, 2020 UTC
Kafka PRODUCTION Clusters Sep 10 -Sep 16, 2020 UTC
Cassandra PRODUCTION Clusters Sep 17-Sep 25, 2020 UTC
Spark PRODUCTION clusters: Sep 28 - Sep 30, 2020 UTC
The progress of the operating system level patching can be viewed on the Instaclustr status page. https://status.instaclustr.com/
If you wish to discuss this notice or require a specific window for the update please reply to this email.