Examples with SamplerConfiguration org.apache.accumulo.core.client.sample.SamplerConfiguration used on opensource projects

Example 11 with SamplerConfiguration

use of org.apache.accumulo.core.client.sample.SamplerConfiguration in project accumulo by apache.

the class ScanCommand method setupSampling.

protected void setupSampling(final String tableName, final CommandLine cl, final Shell shellState, ScannerBase scanner) throws TableNotFoundException, AccumuloException, AccumuloSecurityException {
    if (getUseSample(cl)) {
        SamplerConfiguration samplerConfig = shellState.getConnector().tableOperations().getSamplerConfiguration(tableName);
        if (samplerConfig == null) {
            throw new SampleNotPresentException("Table " + tableName + " does not have sampling configured");
        }
        Shell.log.debug("Using sampling configuration : " + samplerConfig);
        scanner.setSamplerConfiguration(samplerConfig);
    }
}

Example 12 with SamplerConfiguration

use of org.apache.accumulo.core.client.sample.SamplerConfiguration in project accumulo-examples by apache.

the class Query method main.

public static void main(String[] args) throws Exception {
    Opts opts = new Opts();
    BatchScannerOpts bsOpts = new BatchScannerOpts();
    opts.parseArgs(Query.class.getName(), args, bsOpts);
    Connector conn = opts.getConnector();
    BatchScanner bs = conn.createBatchScanner(opts.getTableName(), opts.auths, bsOpts.scanThreads);
    bs.setTimeout(bsOpts.scanTimeout, TimeUnit.MILLISECONDS);
    if (opts.useSample) {
        SamplerConfiguration samplerConfig = conn.tableOperations().getSamplerConfiguration(opts.getTableName());
        CutoffIntersectingIterator.validateSamplerConfig(conn.tableOperations().getSamplerConfiguration(opts.getTableName()));
        bs.setSamplerConfiguration(samplerConfig);
    }
    for (String entry : query(bs, opts.terms, opts.sampleCutoff)) System.out.println("  " + entry);
    bs.close();
}