Release Notes¶

May 10, 2023 (v2023.05)¶

Features

1. Tooling¶

Tooling is now available as scripts that can be run in a terminal window on one or multiple platforms, enabling you to collect information about Datasentinel’s configuration. See Tooling

2. Other¶

Datasentinel is now available on Red Hat Linux 9-compatible distributions such as Rocky Linux 9 or AlmaLinux 9

The version of Python used for the backend and the agent has been upgraded to a more recent version, as well as the dependencies used.

Fixes

After updating the token for agentless connections, the Live360 module is no longer functioning.

Please refer to the documentation to Upgrade Datasentinel

March 13, 2023 (v2023.03)¶

Features

1. LDAP authentication¶

Datasentinel seamlessly integrates with LDAP for user authentication. See LDAP settings

Fixes

Live360 does not work since upgraded to the version 2023.02
When multiple parameter changes are detected, only the last one is displayed (needs agent v3.3)
Error when retrieving query texts of specific queries (python drivers)

Please refer to the documentation to Upgrade Datasentinel

February 15, 2023 (v2023.02)¶

Features

1. Lock explorer¶

Lock explorer makes it easy to identify blocking sessions during blocked session issues, along with the associated queries and locks.

By continuously monitoring lock activity, Datasentinel offers insights into your database’s state and assists you in addressing issues by generating blocking scenarios that give comprehensive information about lock activity during blocked session incidents.

Learn about how this feature works by referring to the Lock explorer documentation.

You can experience the feature through our Live demo

IMPORTANT: To be able to benefit from this feature, agents must be updated to the latest version (version 3.2 minimum)

2. Session history¶

The dashboard displaying activity by process id has been replaced by a more accurate version, now showing activity by user name and client host name.

Live demo

3. Changed Parameters¶

Improved detection of changed parameters. A graphical annotation is now included in the main dashboard graphs to clearly indicate when a parameter change has been detected.

Live demo

4. Collection Level¶

The Agent version 3.2, introduces the Collection level feature allowing you to choose the metrics to monitor.

The agent enables customizable metric collection through Agent CLI or Agent API. UI-based modification planned (mid 2023).

5. Other¶

The embedded PostgreSQL database is now in version 14 during a full installation

Fixes

Query and Session history reports do not complete if query texts cannot be integrated in the PDF.
Execution plans are not displayed when using pg_store_plans >=1.6 on a PostgreSQL cluster < 14.
Values of type Decimal returned from Postgresql cannot be serialized to JSON format when using the alerting module.

Please refer to the documentation to Upgrade Datasentinel

November 13, 2022 (v2022.11)¶

Features

1. Alerting¶

Alerting is now available with this new version. You can easily monitor your PostgreSQL clusters and be notified in case of problems

See the Alerting documentation on how to configure and manage alerts.

You can also create your own alerts through the Alerting API

IMPORTANT: To be able to benefit from alerting, agents must be updated to the latest version (version 3.0 minimum)

2. WAL activity¶

A new dashboard displaying the WAL and archiving activity for an instance has been added. Live demo

3. Replication¶

The number of physical replications is now displayed as a badge in the instance statistics dashboard. Live demo

4. PostgreSQL 15¶

Support for PostgreSQL 15

Fixes

Minor bugs fixed

Note

Since this version, loggging nginx access and influxdb queries are disabled by default on a fresh installation.

Take a look at the Frequently asked questions if you upgrade to this version, to configure logging generated by nginx and influxdb

July 19, 2022 (v2022.07)¶

Features

1. Audit¶

Audit user actions. See Audit settings

June 20, 2022 (v2022.06)¶

Features

1. Top queries¶

The flag per execution has been added in the Top queries module allowing you to compute metrics per execution.

Example: show the queries performing the most disk reads for each execution

Fixes

Retrieval of query execution statistics improved

June 1, 2022 (v2022.05)¶

Features

1. Session history¶

The session workload module has been renamed to session history for clarity

2. Cascading replication¶

Datasentinel now makes it possible to monitor all the clusters (primary, replicas) of a cascading PostgreSQL replication (needs agent version 2.9.5 minimum)

May 5, 2022 (v2022.04)¶

Features

1. System metrics¶

Some system metrics can now be displayed, in addition to existing PostgreSQL metrics, in the small graphs present on the session history, top queries, top tables/indexes dashboards.

Correlating system activity with PostgreSQL activity becomes even easier and more efficient

Available metrics:

- Server: busy time

- Server: load

- Server: server reads

- Server: server writes

- Server: read time

- Server: write time

- Server: swap

- Server: swap activity

- Server: memory

- Server: network bytes

- Server: network packets

2. Execution plans¶

The number of distinct execution plans is now displayed as a badge allowing you to quickly see if multiple plans exist for a query (requires pg_store_plans extension)

Fixes

Better fluidity of navigation on the graphical interface

March 31, 2022 (v2022.03)¶

Fixes

Stopping the backend service now kills any remaining process
The scheduler now works in local time and not in utc time
The platform and the agent are compatible with the latest version of pg_store_plans (1.6.1)

March 7, 2022 (v2022.02)¶

Features

1. Reporting¶

Customize and generate a report in a few clicks (see Reporting)

Can include one or multiple instances

Ability to filter the report on a particular database

Schedule your daily or weekly reports at the chosen date and time with sending to a mailing list

Reports can be generated in an automation flow thanks to the Reporting API

Multiple types of predefined reports:

- Session history report PDF

- Top queries report PDF

- Table report PDF

- Instance report PDF

- Server report PDF

- Data size report PDF

- Full report (includes all previous reports) PDF

- Detailed report of a query PDF

January 31, 2022 (v2022.01)¶

Fixes

Performance improvements on the homepage
Better handling when an influxdb problem occurs. (Agent detection)

October 18, 2021 (v2021.10)¶

Features

1. Docker / Kubernetes¶

The platform is now available on Docker, Kubernetes

2. User API¶

A comment property has been added to User Management API

3. PostgreSQL 14¶

Datasentinel is compatible with the latest version 14 of Postgresql:

Taking into account the query_id column in the sampling of active sessions (pg_stat_activity)

4. Progress reporting¶

- COPY progress reporting in the Live360 module

July 26, 2021 (v2021.07)¶

Features

1. User management via API¶

User and Role management with API ( See our Blog Post )

2. Linux distributions¶

The platform is now available on Debian Buster and Debian Stretch distributions (see On-premises platform installation)

3. Docker¶

The agent is available as a container image (See Docker Hub)

Fixes

Live360 module:

When switching to a new PostgreSQL cluster, Datasentinel now selects automatically All databases when the keeped database selection does not exist, avoiding an error.

Minimum Agent version : 2.6.0

May 01, 2021 (v2021.05)¶

Features

1. High Availability Architecture¶

You can now monitor your entire architecture (master + read only replicas) See our Blog Post

Minimum Agent version : 2.6.0

Apr 01, 2021 (v2021.04)¶

Features

Directly view the activity of your instances or groups of instances thanks to the Home page customisable charts
Customisable charts have also been added to the Session history, top queries and top tables/indexes modules, in order to easily correlate activity metrics
The main queries execution statistics from pg_stat_statements are now displayed in the Session history module when available
Query samples are now collected (Maximum 1 per hour). This feature can be disabled at the instance level via API.
A moonlight icon is available on the top right of the screen allowing to switch between dark or light mode

Fixes

Sql Text format option in query dashboard
Live360 Blocking sessions, maintenance operations when using PostgreSQL 9.6
Live360 layout in sessions dashboard when using a small screen resolution
Live360 cache usage

Home page customisable charts¶

Session history¶

Customisable charts and queries statistics

Feb 01, 2021 (v2021.02)¶

Features

Datasentinel introduces its new Live360° feature:

Thanks to direct connections, this feature provides precision and additional information on the context, which will offer you a valuable and indispensable help during your performance analyzes

- Current and blocking sessions

- Relations Explorer to view statistics in detail (tables, indexes, columns, extended statistics, …)

- Disk and memory cache usage

- Generate execution plans from any query and analyze them thanks to our execution plan visualizer

- In progress reporting (Vacuum, analyze, create index, …)

See Live 360° Documentation

View our demo video

Dec 09, 2020 (v2020.12)¶

Features

Datasentinel can retrieve system metrics with the Agentless method if you install the system_stats extension
Easily display the most frequently used Tables or Indexes (By disk reads, Cache activity or any other metric)
New version name convention

May 11, 2020 (v1.6.0)¶

Features

New Agentless version allowing you to monitor all kinds of PostgreSQL instances

- AWS RDS, Aurora

- Microsoft Azure database, hyperscale,

- Google Cloud SQL and other cloud providers.

It can also be used in your own environment. (See which method to use Agent-based or Agentless?

Connections can be created either with the User interface connection management

or with the Connection Management API

User interface connection management¶

March 30, 2020 (v1.5.0)¶

Features

Added Reporting. (Here is an example pdf)

Export your workload in PDF format

You can also generate your report with API
The Datasentinel extension is no longer required. (Required only when you choose the high level of collection). See Session history

Fixes

Fix pagination on some dashboards in the UI.

Export your workload in PDF format¶

Select a PostgreSQL instance, a time window and the sections to export.

February 18, 2020 (v1.4.0)¶

Features

Added API to export metrics. See API
The metrics can now be downloaded directly from the UI
Query statistics display the minum and maximum execution time
Session history sampling can be low (every 10 seconds) or high (every second). Updatable with the Agent

Fixes

Fix layout in the top queries dashboard
Fix tab layout in the instance dashboard

The metrics can now be downloaded directly from the UI¶

JSON or CSV format

January 14, 2020 (v1.3.0)¶

Features

1. Execution plan viewer

2. Index usage statistics

Fixes

In the Top queries dashboard, labels display the sql text (truncated if needed) instead of the query md5 id.

1. Execution plan viewer¶

The execution plans can be easily analyzed thanks to the plan viewer feature.

You can copy/paste an existing plan (format text or json) or view it directly in the execution plans dashboard

2. Index usage statistics¶

Index usage statistics are now available. You can see what are the most used indexes.

Fixes

In the Top queries dashboard, labels display the sql text (truncated if needed) instead of the query md5 id.

December 19, 2019 (v1.2.0)¶

Features

1. Starred instances

2. Instance tags:

Fixes

When updating a user email, the user properties are lost
Home page reload does not work properly in some cases

1. Starred instances¶

The postgresql instances can be starred. You can choose to see your starred instances only

2. Instance tags:¶

The instance tags can be displayed in the home page and in the instances dashboard. You can then easily filter by tag

Fixes

November 12, 2019 (v1.1.0)¶

Features

Upgrade to grafana 6.4.4
Developer or data admin user profile. A developer profile has only access to session history and queries

Fixes

Query id with unkonwn filters

October 2019 (v1.0.0)¶

Features

Session history
Sqls statistics
Instances, databases statistics
Powerfull filters
Consolidated or detailed view of the activity
Real time or past view with zooming feature on the desired periods