dashboards: follow-up 4369bc1df2

* add more details to changelog
* simplify panels description
* remove capacity planning recommendation, as it proves it incompetent

Signed-off-by: hagen1778 <roman@victoriametrics.com>

dashboards/victoriametrics-cluster.json

@@ -4857,7 +4857,7 @@
             "type": "prometheus",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity for at least one vmstorage node based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity for at least one vmstorage node based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {
@@ -9050,7 +9050,7 @@
             "type": "prometheus",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {

dashboards/victoriametrics.json

@@ -4122,7 +4122,7 @@
             "type": "prometheus",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {

dashboards/vm/victoriametrics-cluster.json

@@ -4858,7 +4858,7 @@
             "type": "victoriametrics-datasource",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity for at least one vmstorage node based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity for at least one vmstorage node based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {
@@ -9051,7 +9051,7 @@
             "type": "victoriametrics-datasource",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {

dashboards/vm/victoriametrics.json

@@ -4123,7 +4123,7 @@
             "type": "victoriametrics-datasource",
             "uid": "$ds"
           },
-          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nnote: this panel doesn't count deduplication operations which could release disk and increase the time.\n\nUse this panel for capacity planning in order to estimate the time remaining for running out of the disk space.",
+          "description": "Shows the approx time needed to reach 100% of disk capacity based on the following params:\n* free disk space;\n* row ingestion rate;\n* compression.\n\nNote: this panel doesn't account for deduplication process.",
           "fieldConfig": {
             "defaults": {
               "color": {

docs/CHANGELOG.md

@@ -44,6 +44,7 @@ The sandbox cluster installation is running under the constant load generated by
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix handling invalid timezone. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5732).
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): fix the bug where the select does not open. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5728).
 * BUGFIX: [vmui](https://docs.victoriametrics.com/#vmui): clear entered text in select after selecting a value. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5727).
+* BUGFIX: [dashboards](https://grafana.com/orgs/victoriametrics): update `Storage full ETA` panels for Single-node and Cluster dashboards to prevent them from showing negative or blank results caused by increase of deduplicated samples. Deduplicated samples were part of the expression to provide a better estimate for disk usage, but due to sporadic nature of [deduplication](https://docs.victoriametrics.com/#deduplication) in VictoriaMetrics it rather produced skewed results. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5747).
 
 ## [v1.97.1](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.97.1)
 
@@ -59,7 +60,6 @@ The v1.97.x line will be supported for at least 12 months since [v1.97.0](https:
 * BUGFIX: fix `runtime error: slice bounds out of range` panic, which can occur during query execution. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5733). The bug has been introduced in `v1.97.0`.
 * BUGFIX: [MetricsQL](https://docs.victoriametrics.com/MetricsQL.html): properly handle `avg_over_time({some_filter}[d]) keep_metric_names` queries, where [`some_filter`](https://docs.victoriametrics.com/keyconcepts/#filtering) matches multiple time series with multiple names, while `d` is bigger or equal to `3h`. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5556).
 * BUGFIX: [dashboards/single](https://grafana.com/grafana/dashboards/10229): fix typo in query for `version` annotation which falsely produced many version change events.
-* BUGFIX: [Official Grafana dashboards for VictoriaMetrics](https://grafana.com/orgs/victoriametrics): avoid possible negative results in `Storage full ETA` panels which caused by background merge. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5747).
 
 ## [v1.97.0](https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.97.0)