@Test
public void insert_rowkey_prefix_date() throws IOException {
System.out.println(errorTable);
errorTable.setAutoFlushTo(false);
List<Put> puts = new ArrayList<Put>();
long t1 = System.currentTimeMillis();
for (int i = 0; i < 10000000; i++) {
String uuid = UUID.randomUUID().toString().replaceAll("-", "").substring(0, 8);
Put put = new Put(Bytes.toBytes("20150705" + "_" + uuid));
put.add(
fBytes,
Bytes.toBytes("stacktrace"),
Bytes.toBytes("java.io.IOException:file not found" + UUID.randomUUID().toString()));
// puts.add(put);
errorTable.put(put);
if (i % 10000 == 0) {
errorTable.flushCommits();
}
}
errorTable.flushCommits();
long t2 = System.currentTimeMillis();
System.out.println("count=" + puts.size() + ",t2-t1=" + (t2 - t1));
// errorTable.close();
}
@Test
public void scan_by_prefix_date() throws IOException {
FilterList fl = new FilterList();
Filter filter =
new RowFilter(CompareFilter.CompareOp.EQUAL, new SubstringComparator("20150903"));
fl.addFilter(filter);
Scan scan = new Scan();
scan.setFilter(fl);
long t1 = System.currentTimeMillis();
ResultScanner rs = errorTable.getScanner(scan);
Result result;
int count = 0;
while ((result = rs.next()) != null) {
System.out.println("rowkey=" + new String(result.getRow()));
System.out.println(
"value=" + new String(result.getValue(fBytes, Bytes.toBytes("stacktrace"))));
System.out.println();
count++;
}
long t2 = System.currentTimeMillis();
System.out.println("count=" + count + ",t2 - t1=" + ((t2 - t1) / 1000));
}
/**
* Main entry point.
*
* @param args The command line parameters.
* @throws Exception When running the job fails.
*/
public static void main(String[] args) throws Exception {
Configuration conf = HBaseConfiguration.create();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
if (otherArgs.length < 1) {
System.err.println("ERROR: Wrong number of parameters: " + args.length);
System.err.println(
"Usage: CellCounter <tablename> <outputDir> <reportSeparator> "
+ "[^[regex pattern] or [Prefix] for row filter]] ");
System.err.println(" Note: -D properties will be applied to the conf used. ");
System.err.println(" Additionally, the following SCAN properties can be specified");
System.err.println(" to get fine grained control on what is counted..");
System.err.println(" -D " + TableInputFormat.SCAN_COLUMN_FAMILY + "=<familyName>");
System.err.println(
" <reportSeparator> parameter can be used to override the default report separator "
+ "string : used to separate the rowId/column family name and qualifier name.");
System.err.println(
" [^[regex pattern] or [Prefix] parameter can be used to limit the cell counter count "
+ "operation to a limited subset of rows from the table based on regex or prefix pattern.");
System.exit(-1);
}
Job job = createSubmittableJob(conf, otherArgs);
System.exit(job.waitForCompletion(true) ? 0 : 1);
}