1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 package org.apache.hadoop.hbase.tool;
20
21 import org.apache.commons.logging.Log;
22 import org.apache.commons.logging.LogFactory;
23 import org.apache.hadoop.hbase.HConstants;
24 import org.apache.hadoop.hbase.client.Mutation;
25 import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
26 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
27 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
28 import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;
29 import org.apache.hadoop.hbase.regionserver.OperationStatus;
30
31 import java.io.IOException;
32 import java.util.concurrent.atomic.AtomicLong;
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61 public class WriteSinkCoprocessor extends BaseRegionObserver {
62 private static final Log LOG = LogFactory.getLog(WriteSinkCoprocessor.class);
63 private final AtomicLong ops = new AtomicLong();
64 private String regionName;
65
66 @Override
67 public void preOpen(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
68 regionName = e.getEnvironment().getRegion().getRegionInfo().getRegionNameAsString();
69 }
70
71
72 @Override
73 public void preBatchMutate(final ObserverContext<RegionCoprocessorEnvironment> c,
74 final MiniBatchOperationInProgress<Mutation> miniBatchOp)
75 throws IOException {
76 if (ops.incrementAndGet() % 20000 == 0) {
77 LOG.info("Wrote " + ops.get() + " times in region " + regionName);
78 }
79
80 for (int i = 0; i < miniBatchOp.size(); i++) {
81 miniBatchOp.setOperationStatus(i,
82 new OperationStatus(HConstants.OperationStatusCode.SUCCESS));
83 }
84 c.bypass();
85 }
86 }