Welcome to Volt Active Data (Durability)

Welcome to Volt Active Data

Section 4 — Durability

Returning to the window where we were running our test workload we see these messages at the time of the outage:

  • 2020-12-16 14:50:25:ReportUsageCreditCallback user=1772061:Connection to database host (vdb3/ was lost before a response was received


  • 2020-12-16 14:50:26:ReportUsageCreditCallback user=1946934:Transaction dropped due to change in mastership. It is possible the transaction was committed

In either case the appropriate course of action would be to re-try the transaction, something which is outside the scope of this sandbox.

Within a couple of minutes the volt.log will show the server restarting:

Returning to Grafana we can see the outage and recovery on node vdb3:

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