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Percona Server for MongoDB Operator 0.2.1 Early Access Release Is Now Available
by Dmitriy Kostiuk
Percona announces the availability of the Percona Server for MongoDB Operator 0.2.1 early access release. The Percona Server for MongoDB Operator simplifies the deployment and management of...
MySQL 8 is not always faster than MySQL 5.7
by Vadim Tkachenko
MySQL 8.0.15 performs worse in sysbench oltp_read_write than MySQL 5.7.25 Initially I was testing group replication performance and was puzzled why MySQL 8.0.15 performs consistently worse than...
Parallel queries in PostgreSQL
by Nickolay Ihalainen
Modern CPU models have a huge number of cores. For many years, applications have been sending queries in parallel to databases. Where there are reporting queries that deal with many table rows, the...