Java Code Examples for org.apache.hadoop.hbase.regionserver.BloomType#NONE
The following examples show how to use
org.apache.hadoop.hbase.regionserver.BloomType#NONE .
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Example 1
Source File: TestMobFile.java From hbase with Apache License 2.0 | 6 votes |
@Test public void testGetScanner() throws Exception { Path testDir = TEST_UTIL.getDataTestDir(); FileSystem fs = testDir.getFileSystem(conf); HFileContext meta = new HFileContextBuilder().withBlockSize(8*1024).build(); StoreFileWriter writer = new StoreFileWriter.Builder(conf, cacheConf, fs) .withOutputDir(testDir) .withFileContext(meta) .build(); MobTestUtil.writeStoreFile(writer, testName.getMethodName()); MobFile mobFile = new MobFile(new HStoreFile(fs, writer.getPath(), conf, cacheConf, BloomType.NONE, true)); assertNotNull(mobFile.getScanner()); assertTrue(mobFile.getScanner() instanceof StoreFileScanner); }
Example 2
Source File: TestMobStoreCompaction.java From hbase with Apache License 2.0 | 6 votes |
private long countMobCellsInMetadata() throws IOException { long mobCellsCount = 0; Path mobDirPath = MobUtils.getMobFamilyPath(conf, tableDescriptor.getTableName(), familyDescriptor.getNameAsString()); Configuration copyOfConf = new Configuration(conf); copyOfConf.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0f); CacheConfig cacheConfig = new CacheConfig(copyOfConf); if (fs.exists(mobDirPath)) { FileStatus[] files = UTIL.getTestFileSystem().listStatus(mobDirPath); for (FileStatus file : files) { HStoreFile sf = new HStoreFile(fs, file.getPath(), conf, cacheConfig, BloomType.NONE, true); sf.initReader(); Map<byte[], byte[]> fileInfo = sf.getReader().loadFileInfo(); byte[] count = fileInfo.get(MOB_CELLS_COUNT); assertTrue(count != null); mobCellsCount += Bytes.toLong(count); } } return mobCellsCount; }
Example 3
Source File: ThriftUtilities.java From hbase with Apache License 2.0 | 5 votes |
public static BloomType bloomFilterFromThrift(TBloomFilterType in) { switch (in.getValue()) { case 0: return BloomType.NONE; case 1: return BloomType.ROW; case 2: return BloomType.ROWCOL; case 3: return BloomType.ROWPREFIX_FIXED_LENGTH; default: return BloomType.ROW; } }
Example 4
Source File: CachedMobFile.java From hbase with Apache License 2.0 | 5 votes |
public static CachedMobFile create(FileSystem fs, Path path, Configuration conf, CacheConfig cacheConf) throws IOException { // XXX: primaryReplica is only used for constructing the key of block cache so it is not a // critical problem if we pass the wrong value, so here we always pass true. Need to fix later. HStoreFile sf = new HStoreFile(fs, path, conf, cacheConf, BloomType.NONE, true); return new CachedMobFile(sf); }
Example 5
Source File: BloomFilterFactory.java From hbase with Apache License 2.0 | 5 votes |
/** * Creates a new general (Row or RowCol) Bloom filter at the time of * {@link org.apache.hadoop.hbase.regionserver.HStoreFile} writing. * * @param conf * @param cacheConf * @param bloomType * @param maxKeys an estimate of the number of keys we expect to insert. * Irrelevant if compound Bloom filters are enabled. * @param writer the HFile writer * @return the new Bloom filter, or null in case Bloom filters are disabled * or when failed to create one. */ public static BloomFilterWriter createGeneralBloomAtWrite(Configuration conf, CacheConfig cacheConf, BloomType bloomType, int maxKeys, HFile.Writer writer) { if (!isGeneralBloomEnabled(conf)) { LOG.trace("Bloom filters are disabled by configuration for " + writer.getPath() + (conf == null ? " (configuration is null)" : "")); return null; } else if (bloomType == BloomType.NONE) { LOG.trace("Bloom filter is turned off for the column family"); return null; } float err = getErrorRate(conf); // In case of row/column Bloom filter lookups, each lookup is an OR if two // separate lookups. Therefore, if each lookup's false positive rate is p, // the resulting false positive rate is err = 1 - (1 - p)^2, and // p = 1 - sqrt(1 - err). if (bloomType == BloomType.ROWCOL) { err = (float) (1 - Math.sqrt(1 - err)); } int maxFold = conf.getInt(IO_STOREFILE_BLOOM_MAX_FOLD, MAX_ALLOWED_FOLD_FACTOR); // Do we support compound bloom filters? // In case of compound Bloom filters we ignore the maxKeys hint. CompoundBloomFilterWriter bloomWriter = new CompoundBloomFilterWriter(getBloomBlockSize(conf), err, Hash.getHashType(conf), maxFold, cacheConf.shouldCacheBloomsOnWrite(), bloomType == BloomType.ROWCOL ? CellComparatorImpl.COMPARATOR : null, bloomType); writer.addInlineBlockWriter(bloomWriter); return bloomWriter; }
Example 6
Source File: MobFile.java From hbase with Apache License 2.0 | 3 votes |
/** * Creates an instance of the MobFile. * @param fs The file system. * @param path The path of the underlying StoreFile. * @param conf The configuration. * @param cacheConf The CacheConfig. * @return An instance of the MobFile. * @throws IOException */ public static MobFile create(FileSystem fs, Path path, Configuration conf, CacheConfig cacheConf) throws IOException { // XXX: primaryReplica is only used for constructing the key of block cache so it is not a // critical problem if we pass the wrong value, so here we always pass true. Need to fix later. HStoreFile sf = new HStoreFile(fs, path, conf, cacheConf, BloomType.NONE, true); return new MobFile(sf); }