[server] Add pre-write buffer memory metrics for primary key tables - #4308

[server] Add pre-write buffer memory metrics for primary key tables#4308

Kaixuan-Duan wants to merge 5 commits into

apache:mainapache/fluss:mainfrom

Kaixuan-Duan:pre-write-buffer-memory-metricsKaixuan-Duan/fluss:pre-write-buffer-memory-metricsCopy head branch name to clipboard