There are instances in life when isolation is actually welcome. One of those instances pertains to the I in the acronym ACID, which outlines the key properties necessary to maintain the integrity of transactions in a database. The time series database (TSDB) embedded in the Prometheus server has the C (consistency), the D (durability), and – somewhat debatable – the A (atomicity). But up until and including Prometheus v2.16, it did not have the I (isolation).
Welcome to the second installment of the Dashboards Beta blog series! I’m your host, Aditya Tammana, and today we have a very special guest – v0.5 of the Dashboards Beta app on Splunkbase!
The Grafana and Metrictank/Graphite teams have been hard at work to deliver an exciting new feature for the upcoming Grafana v7.0 release: a rollup indicator and series lineage metadata breakdown for Metrictank. This blog will cover the new functionality around Metrictank metadata, the rollup indicator, and the lineage visualization coming in 7.0.
Grafana v7.0 is coming next month! Here’s a sneak peek of one of its features: the query history in Explore. Query history lets you view the history of your querying. All queries that have been starred in the Query history tab are displayed in the Starred tab. This allows you to access your favorite queries faster and to reuse these queries without typing them from scratch.
Since the beginning of the Cortex project, there was a flaw with the ingester service responsible for storing the incoming series data in memory for a while before writing it to a long-term storage backend. If any ingester happened to crash, it would lose all the data that it was holding.