* add metrics
* chore/bench-metrics: Add INFLIGHT_FLUSH_COUNT Metric to Flush Process
• Introduced INFLIGHT_FLUSH_COUNT metric to track the number of ongoing flush operations.
• Incremented INFLIGHT_FLUSH_COUNT in FlushScheduler to monitor active flushes.
• Removed redundant increment of INFLIGHT_FLUSH_COUNT in RegionWorkerLoop to prevent double counting.
* chore/bench-metrics: Add Metrics for Compaction and Flush Operations
• Introduced INFLIGHT_COMPACTION_COUNT and INFLIGHT_FLUSH_COUNT metrics to track the number of ongoing compaction and flush operations.
• Incremented INFLIGHT_COMPACTION_COUNT when scheduling remote and local compaction jobs, and decremented it upon completion.
• Added INFLIGHT_FLUSH_COUNT increment and decrement logic around flush tasks to monitor active flush operations.
• Removed redundant metric updates in worker.rs and handle_compaction.rs to streamline metric handling.
* chore: add metrics for remote compaction jobs
* chore: format
* chore: also add dashbaord
* chore: update grafana dashboard to reflect recent metric changes
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
* chore: add a blank line at the end
---------
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Co-authored-by: dennis zhuang <killme2008@gmail.com>
