What "vmstat 1" shows? Does gzip family used?
2010/9/13 Jian Lu <[email protected]>: > Hi All, > > I am pulling my hair off here because the Scan takes 40 sec to scan 750,000 > records. I am running HBase 0.20.4 on standalone mode on Linux with 16 GB > RAM, 64-bit CPU/Operating system/JVM. My table is very simple with one > family and five columns, each column contains very small String (employee > name, address, etc.). > > Below is my configuration. Could you all please tell me what I missed? > > config.set("hbase.client.pause", "10000"); > config.set("hbase.client.retries.number", "100"); > config.set("hbase.client.scanner.caching", "10000"); > > table.setScannerCaching(10000); > > scan.setCaching(10000); > scan.setCacheBlocks(false); > > > Thanks a lot! > Jack. >
