docs: adds curl commands to clear the query cache (#4468)

adds curl commands to clear query cache on vmselect/VM Single

README.md

@@ -2060,8 +2060,7 @@ It is recommended disabling query cache with `-search.disableCache` command-line
 historical data with timestamps from the past, since the cache assumes that the data is written with
 the current timestamps. Query cache can be enabled after the backfilling is complete.
 
-An alternative solution is to query `/internal/resetRollupResultCache` url after backfilling is complete. This will reset
-the query cache, which could contain incomplete data cached during the backfilling.
+An alternative solution is to query [/internal/resetRollupResultCache](https://docs.victoriametrics.com/url-examples.html#internalresetRollupResultCache) handler after the backfilling is complete. This will reset the query cache, which could contain incomplete data cached during the backfilling.
 
 Yet another solution is to increase `-search.cacheTimestampOffset` flag value in order to disable caching
 for data with timestamps close to the current time. Single-node VictoriaMetrics automatically resets response

docs/README.md

@@ -2063,8 +2063,7 @@ It is recommended disabling query cache with `-search.disableCache` command-line
 historical data with timestamps from the past, since the cache assumes that the data is written with
 the current timestamps. Query cache can be enabled after the backfilling is complete.
 
-An alternative solution is to query `/internal/resetRollupResultCache` url after backfilling is complete. This will reset
-the query cache, which could contain incomplete data cached during the backfilling.
+An alternative solution is to query [/internal/resetRollupResultCache](https://docs.victoriametrics.com/url-examples.html#internalresetRollupResultCache) handler after the backfilling is complete. This will reset the query cache, which could contain incomplete data cached during the backfilling.
 
 Yet another solution is to increase `-search.cacheTimestampOffset` flag value in order to disable caching
 for data with timestamps close to the current time. Single-node VictoriaMetrics automatically resets response

docs/Single-server-VictoriaMetrics.md

@@ -2071,8 +2071,7 @@ It is recommended disabling query cache with `-search.disableCache` command-line
 historical data with timestamps from the past, since the cache assumes that the data is written with
 the current timestamps. Query cache can be enabled after the backfilling is complete.
 
-An alternative solution is to query `/internal/resetRollupResultCache` url after backfilling is complete. This will reset
-the query cache, which could contain incomplete data cached during the backfilling.
+An alternative solution is to query [/internal/resetRollupResultCache](https://docs.victoriametrics.com/url-examples.html#internalresetRollupResultCache) handler after the backfilling is complete. This will reset the query cache, which could contain incomplete data cached during the backfilling.
 
 Yet another solution is to increase `-search.cacheTimestampOffset` flag value in order to disable caching
 for data with timestamps close to the current time. Single-node VictoriaMetrics automatically resets response

docs/url-examples.md

@@ -618,6 +618,29 @@ Additional information:
 * [How to send Influx data to VictoriaMetrics](https://docs.victoriametrics.com/#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf)
 * [URL Format](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#url-format)
 
+## /internal/resetRollupResultCache
+
+**Resets the response cache for previously served queries. It is recommended to invoke after [backfilling](https://docs.victoriametrics.com/#backfilling) procedure.**
+
+Single-node VictoriaMetrics:
+<div class="with-copy" markdown="1">
+
+```console
+curl -Is http://localhost:8428/internal/resetRollupResultCache
+```
+
+</div>
+
+Cluster version of VictoriaMetrics::
+
+<div class="with-copy" markdown="1">
+
+```console
+curl -Is http://<vmselect>:8481/select/internal/resetRollupResultCache
+```
+
+</div>
+
 ## TCP and UDP
 
 ### How to send data from OpenTSDB-compatible agents to VictoriaMetrics