* HBASE-24205 Create metric to know the number of reads that happens from memstore
* Fix checkstyles and whitespaces
* Checkstyl, whitespace and javadoc
* Fixed review comments
* Fix unused imports
* Rebase with latest commit
* Adding the table vs store metric by consolidating
* Combine get and scan metrics and make all relevant changes
* Track for full row and then increment either memstore or file read
metric
* TestMetricsStore test fix
* Only increment the memstore metric if all cells are from memstore, if
not treat as mixed reads
* Remove metricsstore and aggregate at region level
* Addresses review comments-metric name updated everywhere
* Metric name change
* Review comment changes
Co-authored-by: Ramkrishna <ramkrishna@apache.org>
Signed-off by:Anoop Sam John<anoopsamjohn@gmail.com>
Signed-off by:Viraj Jasani<virajjasani@apache.org>