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Percona Documentation

Percona Monitoring and Management 2.19.0

Date: June 30, 2021
Installation: Installing Percona Monitoring and Management

Percona Monitoring and Management (PMM) is a free and open-source platform for managing and monitoring MySQL, MongoDB, and PostgreSQL performance.

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Release Highlights

  • Backup Management can now be enabled from the UI. Go to Configuration → Settings → Advanced Settings, and you will see it in the Technical Preview section. We also added support for MongoDB services on-demand backup and restore. For now, it only supports ReplicaSet on S3-compatible storage.

  • Dashboards improvements

    • There are several community-driven improvements to ProxySQL data collection, with new dashboards to expose such metrics like: Queries Latency histograms and SHUNNED_REPLICATION_LAG state.

    • Fixes for Amazon Aurora service detection on the dashboard, MongoDB ReplicaSet Summary, and other MongoDB memory-related panels.

  • Improvements to DBaaS secrets by generating strong passwords for operators. This is an improvement to the Automated Operator Installation released in PMM 2.18, which will greatly enhance security.

New Features

  • PMM-7639: Backup Management: Ability to remove Backup Location even if there are some backup artifacts on it
  • PMM-7567: Backup Management: Simple backup for MongoDB ReplicaSet
  • PMM-7568: Backup Management: Simple restore for MongoDB ReplicaSet

Improvements

  • PMM-8112: Dashboards: Collect and present histograms from ProxySQL on Queries Latency dashboard (Thanks to foosinn for helping with this improvement)
  • PMM-8081: Dashboards: Add collection and presentation for SHUNNED_REPLICATION_LAG state to proxysql_connection_pool_status (Thanks to spaceform for helping with this improvement)
  • PMM-7584: Components Upgrade: VictoriaMetrics 1.53.1 to 1.60.0
  • PMM-8001: Better error handling when pg_stat_monitor is an unsupported version
  • PMM-7659: DBaaS: Ability to specify the type of connection for DBaaS cluster during DB Cluster creation
  • PMM-7828: DBaaS: Select Database Type by default if only one operator is installed
  • PMM-8153: Backup Management: Disable ‘Restore’ button for backups whose service has been deleted

Bugs Fixed

  • PMM-7194: ‘Share with Percona’ option doesn’t export data from collapsed panels
  • PMM-8060: User cannot add remote instances after OVF/AMI upgrade (previously was Known Issue)
  • PMM-7104: Slowlog rotation by pmm-agent causing additional unexpected rotation of binary logs (Thanks to Arthur Tokarchuk for reporting this issue)
  • PMM-8125: Error of monitoring GCP based PostgreSQL because of internal database cloudsqladmin
  • PMM-6778: Can’t specify custom labels during node addition/configuration
  • PMM-8090: Multi-request protection breaks metrics gathering (Thanks to Francisco Miguel Biete for fixing this bug)
  • PMM-5248: InnoDB TableSpace data is not collected for Percona Server 8
  • PMM-4665: User’s log file contains error messages about TokuDB and heartbeat despite not being used
  • PMM-8014: Error when adding Amazon RDS MySQL with TLS over API
  • PMM-3352: Low file descriptors limit (1024) with AMI or OVF images causes errors
  • PMM-7948: pmm-admin list reports the wrong Node for External Services
  • PMM-6295: Unclear/Incorrect statuses of the pmm-agent when Agent or PMM server went down (Thanks to Mikhail Solovyev for reporting this issue)
  • PMM-5917: pmm-agent moves slow logs without checking privileges
  • PMM-8021: “Query Analytics” misspelled on left side menu
  • PMM-5283: Inconsistency with lengths of Example and Fingerprints in Query Analytics
  • PMM-8121: Error message and help for “Remove Service” command is not helpful
  • PMM-8196: Additional spaces in email/passwords fields on Sign up/Login pages causes Authentication problems
  • PMM-8009: Long First/Last names causes errors when used in Register/Login form
  • PMM-8220: Dashboards: Active Time Series Changes on Victoria Metrics dashboard report no data
  • PMM-8202: Dashboards: No Amazon Aurora services are available on MySQL Amazon Aurora Details dashboard for selection
  • PMM-8085: Dashboards: Wrong units are used in MongoDB dashboards on memory-related panels
  • PMM-7154: Dashboards: No data on some panels from MongoDB ReplSet Summary dashboard
  • PMM-8115: DBaaS: Delete PSMDB cluster action takes too long
  • PMM-7737: DBaaS: Replace all default passwords in operator secrets during installation
  • PMM-7970: DBaaS: Confusing message for Cluster name pattern on DB Cluster creation screen
  • PMM-7755: DBaaS: Clusters with longer name not initializing
  • PMM-7528: DBaaS: Error after Kubernetes cluster destroyed or removed externally to DBaaS
  • PMM-8013: Backup Management: Unable to get Backup Artifact list after Service removal

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