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HBASE-5564 Bulkload is discarding duplicate records 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1306907 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2012-03-29 15:23:46 +00:00
parent 8a864815de
commit ec4d59770a
3 changed files with 171 additions and 49 deletions
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79
src/main/java/org/apache/hadoop/hbase/mapreduce/ImportTsv.java
View File

@ -77,8 +77,17 @@ public class ImportTsv {
private int rowKeyColumnIndex;
private int maxColumnCount;
// Default value must be negative
public static final int DEFAULT_TIMESTAMP_COLUMN_INDEX = -1;
private int timestampKeyColumnIndex = DEFAULT_TIMESTAMP_COLUMN_INDEX;
public static String ROWKEY_COLUMN_SPEC = "HBASE_ROW_KEY";
public static String TIMESTAMPKEY_COLUMN_SPEC = "HBASE_TS_KEY";
/**
* @param columnsSpecification the list of columns to parser out, comma separated.
* The row key should be the special token TsvParser.ROWKEY_COLUMN_SPEC
@ -94,15 +103,20 @@ public class ImportTsv {
ArrayList<String> columnStrings = Lists.newArrayList(
Splitter.on(',').trimResults().split(columnsSpecification));
families = new byte[columnStrings.size()][];
qualifiers = new byte[columnStrings.size()][];
maxColumnCount = columnStrings.size();
families = new byte[maxColumnCount][];
qualifiers = new byte[maxColumnCount][];
for (int i = 0; i < columnStrings.size(); i++) {
String str = columnStrings.get(i);
if (ROWKEY_COLUMN_SPEC.equals(str)) {
rowKeyColumnIndex = i;
continue;
}
if (TIMESTAMPKEY_COLUMN_SPEC.equals(str)) {
timestampKeyColumnIndex = i;
continue;
}
String[] parts = str.split(":", 2);
if (parts.length == 1) {
families[i] = str.getBytes();
@ -117,6 +131,15 @@ public class ImportTsv {
public int getRowKeyColumnIndex() {
return rowKeyColumnIndex;
}
public boolean hasTimestamp() {
return timestampKeyColumnIndex != DEFAULT_TIMESTAMP_COLUMN_INDEX;
}
public int getTimestampKeyColumnIndex() {
return timestampKeyColumnIndex;
}
public byte[] getFamily(int idx) {
return families[idx];
}
@ -127,7 +150,7 @@ public class ImportTsv {
public ParsedLine parse(byte[] lineBytes, int length)
throws BadTsvLineException {
// Enumerate separator offsets
ArrayList<Integer> tabOffsets = new ArrayList<Integer>(families.length);
ArrayList<Integer> tabOffsets = new ArrayList<Integer>(maxColumnCount);
for (int i = 0; i < length; i++) {
if (lineBytes[i] == separatorByte) {
tabOffsets.add(i);
@ -139,10 +162,12 @@ public class ImportTsv {
tabOffsets.add(length);
if (tabOffsets.size() > families.length) {
if (tabOffsets.size() > maxColumnCount) {
throw new BadTsvLineException("Excessive columns");
} else if (tabOffsets.size() <= getRowKeyColumnIndex()) {
throw new BadTsvLineException("No row key");
} else if (hasTimestamp() && tabOffsets.size() <= getTimestampKeyColumnIndex()) {
throw new BadTsvLineException("No timestamp");
}
return new ParsedLine(tabOffsets, lineBytes);
}
@ -162,6 +187,22 @@ public class ImportTsv {
public int getRowKeyLength() {
return getColumnLength(rowKeyColumnIndex);
}
public long getTimestamp(long ts) throws BadTsvLineException {
// Return ts if HBASE_TS_KEY is not configured in column spec
if (!hasTimestamp()) {
return ts;
}
try {
return Long.parseLong(Bytes.toString(lineBytes, getColumnOffset(timestampKeyColumnIndex),
getColumnLength(timestampKeyColumnIndex)));
} catch (NumberFormatException nfe) {
// treat this record as bad record
throw new BadTsvLineException("Invalid timestamp");
}
}
public int getColumnOffset(int idx) {
if (idx > 0)
return tabOffsets.get(idx - 1) + 1;
@ -259,7 +300,11 @@ public class ImportTsv {
"column name HBASE_ROW_KEY is used to designate that this column should be used\n" +
"as the row key for each imported record. You must specify exactly one column\n" +
"to be the row key, and you must specify a column name for every column that exists in the\n" +
"input data.\n" +
"input data. Another special column HBASE_TS_KEY designates that this column should be\n" +
"used as timestamp for each record. Unlike HBASE_ROW_KEY, HBASE_TS_KEY is optional.\n" +
"You must specify atmost one column as timestamp key for each imported record.\n" +
"Record with invalid timestamps (blank, non-numeric) will be treated as bad record.\n" +
"Note: if you use this option, then 'importtsv.timestamp' option will be ignored.\n" +
"\n" +
"By default importtsv will load data directly into HBase. To instead generate\n" +
"HFiles of data to prepare for a bulk data load, pass the option:\n" +
@ -310,12 +355,28 @@ public class ImportTsv {
System.exit(-1);
}
// Make sure one or more columns are specified
if (columns.length < 2) {
usage("One or more columns in addition to the row key are required");
// Make sure we have at most one column as the timestamp key
int tskeysFound=0;
for (String col : columns) {
if (col.equals(TsvParser.TIMESTAMPKEY_COLUMN_SPEC)) tskeysFound++;
}
if (tskeysFound > 1) {
usage("Must specify at most one column as " + TsvParser.TIMESTAMPKEY_COLUMN_SPEC);
System.exit(-1);
}
// Make sure one or more columns are specified excluding rowkey and timestamp key
if (columns.length - (rowkeysFound + tskeysFound) < 1) {
usage("One or more columns in addition to the row key and timestamp(optional) are required");
System.exit(-1);
}
// If timestamp option is not specified, use current system time.
long timstamp = conf.getLong(TIMESTAMP_CONF_KEY, System.currentTimeMillis());
// Set it back to replace invalid timestamp (non-numeric) with current system time
conf.setLong(TIMESTAMP_CONF_KEY, timstamp);
Job job = createSubmittableJob(conf, otherArgs);
System.exit(job.waitForCompletion(true) ? 0 : 1);
}

37
src/main/java/org/apache/hadoop/hbase/mapreduce/TsvImporterMapper.java
View File

@ -82,8 +82,7 @@ extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put>
Configuration conf = context.getConfiguration();
parser = new ImportTsv.TsvParser(conf.get(ImportTsv.COLUMNS_CONF_KEY),
separator);
parser = new ImportTsv.TsvParser(conf.get(ImportTsv.COLUMNS_CONF_KEY), separator);
if (parser.getRowKeyColumnIndex() == -1) {
throw new RuntimeException("No row key column specified");
}
@ -105,10 +104,10 @@ extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put>
separator = new String(Base64.decode(separator));
}
ts = conf.getLong(ImportTsv.TIMESTAMP_CONF_KEY, System.currentTimeMillis());
// Should never get 0 as we are setting this to a valid value in job configuration.
ts = conf.getLong(ImportTsv.TIMESTAMP_CONF_KEY, 0);
skipBadLines = context.getConfiguration().getBoolean(
ImportTsv.SKIP_LINES_CONF_KEY, true);
skipBadLines = context.getConfiguration().getBoolean(ImportTsv.SKIP_LINES_CONF_KEY, true);
badLineCount = context.getCounter("ImportTsv", "Bad Lines");
}
@ -116,22 +115,22 @@ extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put>
* Convert a line of TSV text into an HBase table row.
*/
@Override
public void map(LongWritable offset, Text value,
Context context)
throws IOException {
public void map(LongWritable offset, Text value, Context context) throws IOException {
byte[] lineBytes = value.getBytes();
try {
ImportTsv.TsvParser.ParsedLine parsed = parser.parse(
lineBytes, value.getLength());
ImmutableBytesWritable rowKey =
new ImmutableBytesWritable(lineBytes,
parsed.getRowKeyOffset(),
parsed.getRowKeyLength());
ImportTsv.TsvParser.ParsedLine parsed = parser.parse(lineBytes, value.getLength());
ImmutableBytesWritable rowKey = new ImmutableBytesWritable(lineBytes,
parsed.getRowKeyOffset(), parsed.getRowKeyLength());
// Retrieve timestamp if exists
ts = parsed.getTimestamp(ts);
Put put = new Put(rowKey.copyBytes());
for (int i = 0; i < parsed.getColumnCount(); i++) {
if (i == parser.getRowKeyColumnIndex()) continue;
if (i == parser.getRowKeyColumnIndex() || i == parser.getTimestampKeyColumnIndex()) {
continue;
}
KeyValue kv = new KeyValue(
lineBytes, parsed.getRowKeyOffset(), parsed.getRowKeyLength(),
parser.getFamily(i), 0, parser.getFamily(i).length,
@ -144,9 +143,7 @@ extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put>
context.write(rowKey, put);
} catch (ImportTsv.TsvParser.BadTsvLineException badLine) {
if (skipBadLines) {
System.err.println(
"Bad line at offset: " + offset.get() + ":\n" +
badLine.getMessage());
System.err.println("Bad line at offset: " + offset.get() + ":\n" + badLine.getMessage());
incrementBadLineCount(1);
return;
} else {
@ -154,9 +151,7 @@ extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put>
}
} catch (IllegalArgumentException e) {
if (skipBadLines) {
System.err.println(
"Bad line at offset: " + offset.get() + ":\n" +
e.getMessage());
System.err.println("Bad line at offset: " + offset.get() + ":\n" + e.getMessage());
incrementBadLineCount(1);
return;
} else {

90
src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTsv.java
View File

@ -61,6 +61,7 @@ public class TestImportTsv {
assertNull(parser.getFamily(0));
assertNull(parser.getQualifier(0));
assertEquals(0, parser.getRowKeyColumnIndex());
assertFalse(parser.hasTimestamp());
parser = new TsvParser("HBASE_ROW_KEY,col1:scol1", "\t");
assertNull(parser.getFamily(0));
@ -68,6 +69,7 @@ public class TestImportTsv {
assertBytesEquals(Bytes.toBytes("col1"), parser.getFamily(1));
assertBytesEquals(Bytes.toBytes("scol1"), parser.getQualifier(1));
assertEquals(0, parser.getRowKeyColumnIndex());
assertFalse(parser.hasTimestamp());
parser = new TsvParser("HBASE_ROW_KEY,col1:scol1,col1:scol2", "\t");
assertNull(parser.getFamily(0));
@ -77,6 +79,18 @@ public class TestImportTsv {
assertBytesEquals(Bytes.toBytes("col1"), parser.getFamily(2));
assertBytesEquals(Bytes.toBytes("scol2"), parser.getQualifier(2));
assertEquals(0, parser.getRowKeyColumnIndex());
assertFalse(parser.hasTimestamp());
parser = new TsvParser("HBASE_ROW_KEY,col1:scol1,HBASE_TS_KEY,col1:scol2", "\t");
assertNull(parser.getFamily(0));
assertNull(parser.getQualifier(0));
assertBytesEquals(Bytes.toBytes("col1"), parser.getFamily(1));
assertBytesEquals(Bytes.toBytes("scol1"), parser.getQualifier(1));
assertBytesEquals(Bytes.toBytes("col1"), parser.getFamily(3));
assertBytesEquals(Bytes.toBytes("scol2"), parser.getQualifier(3));
assertEquals(0, parser.getRowKeyColumnIndex());
assertTrue(parser.hasTimestamp());
assertEquals(2, parser.getTimestampKeyColumnIndex());
}
@Test
@ -89,12 +103,31 @@ public class TestImportTsv {
assertNull(parser.getFamily(2));
assertNull(parser.getQualifier(2));
assertEquals(2, parser.getRowKeyColumnIndex());
assertEquals(TsvParser.DEFAULT_TIMESTAMP_COLUMN_INDEX, parser.getTimestampKeyColumnIndex());
byte[] line = Bytes.toBytes("val_a\tval_b\tval_c\tval_d");
ParsedLine parsed = parser.parse(line, line.length);
checkParsing(parsed, Splitter.on("\t").split(Bytes.toString(line)));
}
@Test
public void testTsvParserWithTimestamp() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,HBASE_TS_KEY,col_a,", "\t");
assertNull(parser.getFamily(0));
assertNull(parser.getQualifier(0));
assertNull(parser.getFamily(1));
assertNull(parser.getQualifier(1));
assertBytesEquals(Bytes.toBytes("col_a"), parser.getFamily(2));
assertBytesEquals(HConstants.EMPTY_BYTE_ARRAY, parser.getQualifier(2));
assertEquals(0, parser.getRowKeyColumnIndex());
assertEquals(1, parser.getTimestampKeyColumnIndex());
byte[] line = Bytes.toBytes("rowkey\t1234\tval_a");
ParsedLine parsed = parser.parse(line, line.length);
assertEquals(1234l, parsed.getTimestamp(-1));
checkParsing(parsed, Splitter.on("\t").split(Bytes.toString(line)));
}
private void checkParsing(ParsedLine parsed, Iterable<String> expected) {
ArrayList<String> parsedCols = new ArrayList<String>();
for (int i = 0; i < parsed.getColumnCount(); i++) {
@ -120,28 +153,46 @@ public class TestImportTsv {
public void testTsvParserBadTsvLineExcessiveColumns() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,col_a", "\t");
byte[] line = Bytes.toBytes("val_a\tval_b\tval_c");
ParsedLine parsed = parser.parse(line, line.length);
parser.parse(line, line.length);
}
@Test(expected=BadTsvLineException.class)
public void testTsvParserBadTsvLineZeroColumn() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,col_a", "\t");
byte[] line = Bytes.toBytes("");
ParsedLine parsed = parser.parse(line, line.length);
parser.parse(line, line.length);
}
@Test(expected=BadTsvLineException.class)
public void testTsvParserBadTsvLineOnlyKey() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,col_a", "\t");
byte[] line = Bytes.toBytes("key_only");
ParsedLine parsed = parser.parse(line, line.length);
parser.parse(line, line.length);
}
@Test(expected=BadTsvLineException.class)
public void testTsvParserBadTsvLineNoRowKey() throws BadTsvLineException {
TsvParser parser = new TsvParser("col_a,HBASE_ROW_KEY", "\t");
byte[] line = Bytes.toBytes("only_cola_data_and_no_row_key");
parser.parse(line, line.length);
}
@Test(expected=BadTsvLineException.class)
public void testTsvParserInvalidTimestamp() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,HBASE_TS_KEY,col_a,", "\t");
assertEquals(1, parser.getTimestampKeyColumnIndex());
byte[] line = Bytes.toBytes("rowkey\ttimestamp\tval_a");
ParsedLine parsed = parser.parse(line, line.length);
assertEquals(-1, parsed.getTimestamp(-1));
checkParsing(parsed, Splitter.on("\t").split(Bytes.toString(line)));
}
@Test(expected=BadTsvLineException.class)
public void testTsvParserNoTimestampValue() throws BadTsvLineException {
TsvParser parser = new TsvParser("HBASE_ROW_KEY,col_a,HBASE_TS_KEY", "\t");
assertEquals(2, parser.getTimestampKeyColumnIndex());
byte[] line = Bytes.toBytes("rowkey\tval_a");
parser.parse(line, line.length);
}
@Test
@ -159,7 +210,22 @@ public class TestImportTsv {
INPUT_FILE
};
doMROnTableTest(INPUT_FILE, FAMILY, TABLE_NAME, args, 1);
doMROnTableTest(INPUT_FILE, FAMILY, TABLE_NAME, null, args, 1);
}
@Test
public void testMROnTableWithTimestamp() throws Exception {
String TABLE_NAME = "TestTable";
String FAMILY = "FAM";
String INPUT_FILE = "InputFile1.csv";
// Prepare the arguments required for the test.
String[] args = new String[] {
"-D" + ImportTsv.COLUMNS_CONF_KEY + "=HBASE_ROW_KEY,HBASE_TS_KEY,FAM:A,FAM:B",
"-D" + ImportTsv.SEPARATOR_CONF_KEY + "=,", TABLE_NAME, INPUT_FILE };
String data = "KEY,1234,VALUE1,VALUE2\n";
doMROnTableTest(INPUT_FILE, FAMILY, TABLE_NAME, data, args, 1);
}
@Test
@ -176,16 +242,16 @@ public class TestImportTsv {
INPUT_FILE
};
doMROnTableTest(INPUT_FILE, FAMILY, TABLE_NAME, args, 3);
doMROnTableTest(INPUT_FILE, FAMILY, TABLE_NAME, null, args, 3);
}
private void doMROnTableTest(String inputFile, String family, String tableName,
private void doMROnTableTest(String inputFile, String family, String tableName, String data,
String[] args, int valueMultiplier) throws Exception {
// Cluster
HBaseTestingUtility htu1 = new HBaseTestingUtility();
MiniHBaseCluster cluster = htu1.startMiniCluster();
htu1.startMiniCluster();
htu1.startMiniMapReduceCluster();
GenericOptionsParser opts = new GenericOptionsParser(htu1.getConfiguration(), args);
@ -196,14 +262,14 @@ public class TestImportTsv {
FileSystem fs = FileSystem.get(conf);
FSDataOutputStream op = fs.create(new Path(inputFile), true);
String line = "KEY\u001bVALUE1\u001bVALUE2\n";
op.write(line.getBytes(HConstants.UTF8_ENCODING));
if (data == null) {
data = "KEY\u001bVALUE1\u001bVALUE2\n";
}
op.write(Bytes.toBytes(data));
op.close();
final byte[] FAM = Bytes.toBytes(family);
final byte[] TAB = Bytes.toBytes(tableName);
final byte[] QA = Bytes.toBytes("A");
final byte[] QB = Bytes.toBytes("B");
HTableDescriptor desc = new HTableDescriptor(TAB);
desc.addFamily(new HColumnDescriptor(FAM));
@ -256,7 +322,7 @@ public class TestImportTsv {
}
public static String toU8Str(byte[] bytes) throws UnsupportedEncodingException {
return new String(bytes, HConstants.UTF8_ENCODING);
return Bytes.toString(bytes);
}
@org.junit.Rule