hbase
hbase copied to clipboard
Apache HBase
Detail: https://issues.apache.org/jira/browse/HBASE-28107
Optimize TableName.valueOf from O(n) to O(1). We can get benefits when the number of tables in the cluster is greater than dozens
We should use "hbase.meta.replicas.use" to control the switch of reading meta replicas. But the codes before this PR reading from meta replicas only when "hbase.locator.meta.replicas.mode" is not NONE, it supassed...
When using RWQueueRpcExecutor, in order to monitor the running status of the read and write queues separately, it is necessary to monitor the queueTime and processingTime of the request according...
When using RWQueueRpcExecutor, in order to monitor the running status of the read and write queues separately, it is necessary to monitor the queueTime and processingTime of the request according...
This PR introduces a ScanRangeOptimizer to try to reduce unnecessary reading of data based on filters user set. For example, if user want to scan data where rowkey > 'hhh'...
Jira: HBASE-28192
…without client port