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14 package org.apache.hadoop.hbase.tool;
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16 import org.apache.commons.logging.Log;
17 import org.apache.commons.logging.LogFactory;
18 import org.apache.hadoop.hbase.HConstants;
19 import org.apache.hadoop.hbase.client.Mutation;
20 import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
21 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
22 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
23 import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;
24 import org.apache.hadoop.hbase.regionserver.OperationStatus;
25 import org.apache.hadoop.hbase.util.Pair;
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27 import java.io.IOException;
28 import java.util.concurrent.atomic.AtomicLong;
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52 public class WriteSinkCoprocessor extends BaseRegionObserver {
53 private static final Log LOG = LogFactory.getLog(WriteSinkCoprocessor.class);
54 private final AtomicLong ops = new AtomicLong();
55 private String regionName;
56
57 @Override
58 public void preOpen(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
59 regionName = e.getEnvironment().getRegion().getRegionNameAsString();
60 }
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62
63 @Override
64 public void preBatchMutate(final ObserverContext<RegionCoprocessorEnvironment> c,
65 final MiniBatchOperationInProgress<Pair<Mutation, Integer>> miniBatchOp)
66 throws IOException {
67 if (ops.incrementAndGet() % 20000 == 0) {
68 LOG.info("Wrote " + ops.get() + " times in region " + regionName);
69 }
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71 for (int i = 0; i < miniBatchOp.size(); i++) {
72 miniBatchOp.setOperationStatus(i,
73 new OperationStatus(HConstants.OperationStatusCode.SUCCESS));
74 }
75 c.bypass();
76 }
77 }