[DocDB] yb-admin command to clear the block cache · yugabyte/yugabyte-db#25722

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Beschreibung

Description

Provide a yb-admin command to clear the block cache. This is useful in performance experiments where we would want to clean up the block cache after one experiment, so as to not allow the block cache to interfere with the results of the next experiment.

This can be implemented the same way as already done for flush_table yb-admin command but for simplicity of use and implementation just clear the whole block cache on all tservers and don't take any parameters.

Issue Type

kind/enhancement

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Contributor Guide

Research-Richtung: Studieren Sie die vorhandene Implementierung des yb admin Befehls 'flush table' im Code und implementieren Sie dann einen ähnlichen Befehl 'clear block cache', der eine Anfrage an alle Tserver sendet, um deren Block Cache zu leeren.
Tech Stack: ccpp
Domain: backenddatabasecli
Issue Type: Funktion
Schwierigkeit: 2
Geschätzte Zeit: 1-3 Stunden
Aktivitätsstatus: Aktiv
Klarheit: Klar
Voraussetzungen: Git
Einsteigerfreundlichkeit: 70