* dashboards/cluster: add panels for vmstorage in read-only mode
vmstorage readonly status panel was addded to "vmstorage" row.
A one more panel for showing vminsert->vmstorage readonly status
was added to troubleshooting row.
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* dashboards/cluster: add "Cache usage" panel
The new panel supposed to show the % of the used cache
compared to allowed size by type.
It should help to determine underutilized types of caches.
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* dashboards/cluster: add "Merges deferred" panel
The new panel supposed to show if there were deferred merges
due to insufficient disk space.
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* dashboards/cluster: update Network panel for vminsert
* delete bytes_written query, since in most cases it is insiginificant
* change display type to Stack
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* dashboards/cluster: bump version requirement
Signed-off-by: hagen1778 <roman@victoriametrics.com>
* rm cumulative visualisation for panel `Disk space used`.
It uses % threshold and cumulative display breaks it.
* remove area filling for resource usage row;
* add job name for panels in resource usage row.
* dashboard: update vmagent dash
The update contains the following changes:
* display anonymous memory usage metric. This metric suppose to reflect
memory usage of the process which can't be freed by OS;
* add legends to all panels. This is important for cases when users share
the screenshots;
* modify panels for Grafana v8.0.0
* dashboard: update cluster dash
The update contains the following changes:
* move stats panels to Configuration row, so it can be collapsed;
* display anonymous memory usage metric. This metric suppose to reflect
memory usage of the process which can't be freed by OS;
* add legends to all panels. This is important for cases when users share
the screenshots;
* modify panels for Grafana v8.0.0
* dashboard: change FreeDiskSpace panel to show percentage of used space instead
* dashboard: disable area fill for Cache hit ratio
* dashboard: minor display updates
* dashboard: add panel `Concurrent flushes on disk`
* dashboard: add `Rows ignored` panel
* dashboard: update ChurnRate panel with proper description and additional query over 24h time window
* add panel `Open FDs` for file descriptors metrics;
* add panel `Disk writes/reads` to show the real read/write
load on storage layer;
* add stats panel to show available CPUs, memory and disk space.
* Slow metrics load panel was removed since it is hard to interpret without
additional metrics and stats;
* Slow inserts panel was updated to display percentage of slow inserts comparing
to total number of inserts to show the real impact.
* The new update introduces new row "Troubleshooting" that
contains panels for churn rate and slow-queries/inserts/loads metrics. This row supposed to be reveal the cause of low performance or other issues;
* CPU panel got `short` units instead of `seconds`;
* Overview row was updated with panel showing bytes-per-datapoint stat;
* Overview row was updated with panel showing free disk space.
The list of changes is following:
* fix Uptime panel column styles according to changes introduced in 6.7 Grafana version
* fix panel `vminsert/Rows per insert` due to metric rename - see #336
* change default datasource to VictoriaMetrics since dashboard now uses MetricsQL for `vminsert/Rows per insert` panel
