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From git-site-r...@apache.org
Subject [25/51] [partial] hbase-site git commit: Published site at 092efb42749bf7fc6ad338c96aae8e7b9d3a2c74.
Date Thu, 16 Aug 2018 14:48:27 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html
index 39170f0..7859ebc 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html
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-<span class="sourceLineNo">676</span>   * @param errorMsg Error message.  Can be null.<a name="line.676"></a>
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-<span class="sourceLineNo">681</span>    }<a name="line.681"></a>
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-<span class="sourceLineNo">683</span>    System.err.println("By default Import will load data directly into HBase. To instead generate");<a name="line.683"></a>
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-<span class="sourceLineNo">686</span>    System.err.println("If there is a large result that includes too much Cell "<a name="line.686"></a>
-<span class="sourceLineNo">687</span>        + "whitch can occur OOME caused by the memery sort in reducer, pass the option:");<a name="line.687"></a>
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-<span class="sourceLineNo">689</span>    System.err<a name="line.689"></a>
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-<span class="sourceLineNo">693</span>    System.err.println(" NOTE: The filter will be applied BEFORE doing key renames via the "<a name="line.693"></a>
-<span class="sourceLineNo">694</span>        + CF_RENAME_PROP + " property. Futher, filters will only use the"<a name="line.694"></a>
-<span class="sourceLineNo">695</span>        + " Filter#filterRowKey(byte[] buffer, int offset, int length) method to identify "<a name="line.695"></a>
-<span class="sourceLineNo">696</span>        + " whether the current row needs to be ignored completely for processing and "<a name="line.696"></a>
-<span class="sourceLineNo">697</span>        + " Filter#filterCell(Cell) method to determine if the Cell should be added;"<a name="line.697"></a>
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-<span class="sourceLineNo">699</span>        + " the Cell.");<a name="line.699"></a>
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-<span class="sourceLineNo">703</span>        + "=jobName - use the specified mapreduce job name for the import");<a name="line.703"></a>
-<span class="sourceLineNo">704</span>    System.err.println("For performance consider the following options:\n"<a name="line.704"></a>
-<span class="sourceLineNo">705</span>        + "  -Dmapreduce.map.speculative=false\n"<a name="line.705"></a>
-<span class="sourceLineNo">706</span>        + "  -Dmapreduce.reduce.speculative=false\n"<a name="line.706"></a>
-<span class="sourceLineNo">707</span>        + "  -D" + WAL_DURABILITY + "=&lt;Used while writing data to hbase."<a name="line.707"></a>
-<span class="sourceLineNo">708</span>            +" Allowed values are the supported durability values"<a name="line.708"></a>
-<span class="sourceLineNo">709</span>            +" like SKIP_WAL/ASYNC_WAL/SYNC_WAL/...&gt;");<a name="line.709"></a>
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-<span class="sourceLineNo">737</span>          connection.close();<a name="line.737"></a>
+<span class="sourceLineNo">470</span>    } catch (InvocationTargetException e) {<a name="line.470"></a>
+<span class="sourceLineNo">471</span>      LOG.error("Couldn't instantiate filter!", e);<a name="line.471"></a>
+<span class="sourceLineNo">472</span>      throw new RuntimeException(e);<a name="line.472"></a>
+<span class="sourceLineNo">473</span>    }<a name="line.473"></a>
+<span class="sourceLineNo">474</span>  }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span>  private static ArrayList&lt;byte[]&gt; toQuotedByteArrays(String... stringArgs) {<a name="line.476"></a>
+<span class="sourceLineNo">477</span>    ArrayList&lt;byte[]&gt; quotedArgs = new ArrayList&lt;&gt;();<a name="line.477"></a>
+<span class="sourceLineNo">478</span>    for (String stringArg : stringArgs) {<a name="line.478"></a>
+<span class="sourceLineNo">479</span>      // all the filters' instantiation methods expected quoted args since they are coming from<a name="line.479"></a>
+<span class="sourceLineNo">480</span>      // the shell, so add them here, though it shouldn't really be needed :-/<a name="line.480"></a>
+<span class="sourceLineNo">481</span>      quotedArgs.add(Bytes.toBytes("'" + stringArg + "'"));<a name="line.481"></a>
+<span class="sourceLineNo">482</span>    }<a name="line.482"></a>
+<span class="sourceLineNo">483</span>    return quotedArgs;<a name="line.483"></a>
+<span class="sourceLineNo">484</span>  }<a name="line.484"></a>
+<span class="sourceLineNo">485</span><a name="line.485"></a>
+<span class="sourceLineNo">486</span>  /**<a name="line.486"></a>
+<span class="sourceLineNo">487</span>   * Attempt to filter out the keyvalue<a name="line.487"></a>
+<span class="sourceLineNo">488</span>   * @param c {@link Cell} on which to apply the filter<a name="line.488"></a>
+<span class="sourceLineNo">489</span>   * @return &lt;tt&gt;null&lt;/tt&gt; if the key should not be written, otherwise returns the original<a name="line.489"></a>
+<span class="sourceLineNo">490</span>   *         {@link Cell}<a name="line.490"></a>
+<span class="sourceLineNo">491</span>   */<a name="line.491"></a>
+<span class="sourceLineNo">492</span>  public static Cell filterKv(Filter filter, Cell c) throws IOException {<a name="line.492"></a>
+<span class="sourceLineNo">493</span>    // apply the filter and skip this kv if the filter doesn't apply<a name="line.493"></a>
+<span class="sourceLineNo">494</span>    if (filter != null) {<a name="line.494"></a>
+<span class="sourceLineNo">495</span>      Filter.ReturnCode code = filter.filterCell(c);<a name="line.495"></a>
+<span class="sourceLineNo">496</span>      if (LOG.isTraceEnabled()) {<a name="line.496"></a>
+<span class="sourceLineNo">497</span>        LOG.trace("Filter returned:" + code + " for the cell:" + c);<a name="line.497"></a>
+<span class="sourceLineNo">498</span>      }<a name="line.498"></a>
+<span class="sourceLineNo">499</span>      // if its not an accept type, then skip this kv<a name="line.499"></a>
+<span class="sourceLineNo">500</span>      if (!(code.equals(Filter.ReturnCode.INCLUDE) || code<a name="line.500"></a>
+<span class="sourceLineNo">501</span>          .equals(Filter.ReturnCode.INCLUDE_AND_NEXT_COL))) {<a name="line.501"></a>
+<span class="sourceLineNo">502</span>        return null;<a name="line.502"></a>
+<span class="sourceLineNo">503</span>      }<a name="line.503"></a>
+<span class="sourceLineNo">504</span>    }<a name="line.504"></a>
+<span class="sourceLineNo">505</span>    return c;<a name="line.505"></a>
+<span class="sourceLineNo">506</span>  }<a name="line.506"></a>
+<span class="sourceLineNo">507</span><a name="line.507"></a>
+<span class="sourceLineNo">508</span>  // helper: create a new KeyValue based on CF rename map<a name="line.508"></a>
+<span class="sourceLineNo">509</span>  private static Cell convertKv(Cell kv, Map&lt;byte[], byte[]&gt; cfRenameMap) {<a name="line.509"></a>
+<span class="sourceLineNo">510</span>    if(cfRenameMap != null) {<a name="line.510"></a>
+<span class="sourceLineNo">511</span>      // If there's a rename mapping for this CF, create a new KeyValue<a name="line.511"></a>
+<span class="sourceLineNo">512</span>      byte[] newCfName = cfRenameMap.get(CellUtil.cloneFamily(kv));<a name="line.512"></a>
+<span class="sourceLineNo">513</span>      if (newCfName != null) {<a name="line.513"></a>
+<span class="sourceLineNo">514</span>        kv = new KeyValue(kv.getRowArray(), // row buffer<a name="line.514"></a>
+<span class="sourceLineNo">515</span>            kv.getRowOffset(),              // row offset<a name="line.515"></a>
+<span class="sourceLineNo">516</span>            kv.getRowLength(),              // row length<a name="line.516"></a>
+<span class="sourceLineNo">517</span>            newCfName,                      // CF buffer<a name="line.517"></a>
+<span class="sourceLineNo">518</span>            0,                              // CF offset<a name="line.518"></a>
+<span class="sourceLineNo">519</span>            newCfName.length,               // CF length<a name="line.519"></a>
+<span class="sourceLineNo">520</span>            kv.getQualifierArray(),         // qualifier buffer<a name="line.520"></a>
+<span class="sourceLineNo">521</span>            kv.getQualifierOffset(),        // qualifier offset<a name="line.521"></a>
+<span class="sourceLineNo">522</span>            kv.getQualifierLength(),        // qualifier length<a name="line.522"></a>
+<span class="sourceLineNo">523</span>            kv.getTimestamp(),              // timestamp<a name="line.523"></a>
+<span class="sourceLineNo">524</span>            KeyValue.Type.codeToType(kv.getTypeByte()), // KV Type<a name="line.524"></a>
+<span class="sourceLineNo">525</span>            kv.getValueArray(),             // value buffer<a name="line.525"></a>
+<span class="sourceLineNo">526</span>            kv.getValueOffset(),            // value offset<a name="line.526"></a>
+<span class="sourceLineNo">527</span>            kv.getValueLength());           // value length<a name="line.527"></a>
+<span class="sourceLineNo">528</span>      }<a name="line.528"></a>
+<span class="sourceLineNo">529</span>    }<a name="line.529"></a>
+<span class="sourceLineNo">530</span>    return kv;<a name="line.530"></a>
+<span class="sourceLineNo">531</span>  }<a name="line.531"></a>
+<span class="sourceLineNo">532</span><a name="line.532"></a>
+<span class="sourceLineNo">533</span>  // helper: make a map from sourceCfName to destCfName by parsing a config key<a name="line.533"></a>
+<span class="sourceLineNo">534</span>  private static Map&lt;byte[], byte[]&gt; createCfRenameMap(Configuration conf) {<a name="line.534"></a>
+<span class="sourceLineNo">535</span>    Map&lt;byte[], byte[]&gt; cfRenameMap = null;<a name="line.535"></a>
+<span class="sourceLineNo">536</span>    String allMappingsPropVal = conf.get(CF_RENAME_PROP);<a name="line.536"></a>
+<span class="sourceLineNo">537</span>    if(allMappingsPropVal != null) {<a name="line.537"></a>
+<span class="sourceLineNo">538</span>      // The conf value format should be sourceCf1:destCf1,sourceCf2:destCf2,...<a name="line.538"></a>
+<span class="sourceLineNo">539</span>      String[] allMappings = allMappingsPropVal.split(",");<a name="line.539"></a>
+<span class="sourceLineNo">540</span>      for (String mapping: allMappings) {<a name="line.540"></a>
+<span class="sourceLineNo">541</span>        if(cfRenameMap == null) {<a name="line.541"></a>
+<span class="sourceLineNo">542</span>            cfRenameMap = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.542"></a>
+<span class="sourceLineNo">543</span>        }<a name="line.543"></a>
+<span class="sourceLineNo">544</span>        String [] srcAndDest = mapping.split(":");<a name="line.544"></a>
+<span class="sourceLineNo">545</span>        if(srcAndDest.length != 2) {<a name="line.545"></a>
+<span class="sourceLineNo">546</span>            continue;<a name="line.546"></a>
+<span class="sourceLineNo">547</span>        }<a name="line.547"></a>
+<span class="sourceLineNo">548</span>        cfRenameMap.put(srcAndDest[0].getBytes(), srcAndDest[1].getBytes());<a name="line.548"></a>
+<span class="sourceLineNo">549</span>      }<a name="line.549"></a>
+<span class="sourceLineNo">550</span>    }<a name="line.550"></a>
+<span class="sourceLineNo">551</span>    return cfRenameMap;<a name="line.551"></a>
+<span class="sourceLineNo">552</span>  }<a name="line.552"></a>
+<span class="sourceLineNo">553</span><a name="line.553"></a>
+<span class="sourceLineNo">554</span>  /**<a name="line.554"></a>
+<span class="sourceLineNo">555</span>   * &lt;p&gt;Sets a configuration property with key {@link #CF_RENAME_PROP} in conf that tells<a name="line.555"></a>
+<span class="sourceLineNo">556</span>   * the mapper how to rename column families.<a name="line.556"></a>
+<span class="sourceLineNo">557</span>   *<a name="line.557"></a>
+<span class="sourceLineNo">558</span>   * &lt;p&gt;Alternately, instead of calling this function, you could set the configuration key<a name="line.558"></a>
+<span class="sourceLineNo">559</span>   * {@link #CF_RENAME_PROP} yourself. The value should look like<a name="line.559"></a>
+<span class="sourceLineNo">560</span>   * &lt;pre&gt;srcCf1:destCf1,srcCf2:destCf2,....&lt;/pre&gt;. This would have the same effect on<a name="line.560"></a>
+<span class="sourceLineNo">561</span>   * the mapper behavior.<a name="line.561"></a>
+<span class="sourceLineNo">562</span>   *<a name="line.562"></a>
+<span class="sourceLineNo">563</span>   * @param conf the Configuration in which the {@link #CF_RENAME_PROP} key will be<a name="line.563"></a>
+<span class="sourceLineNo">564</span>   *  set<a name="line.564"></a>
+<span class="sourceLineNo">565</span>   * @param renameMap a mapping from source CF names to destination CF names<a name="line.565"></a>
+<span class="sourceLineNo">566</span>   */<a name="line.566"></a>
+<span class="sourceLineNo">567</span>  static public void configureCfRenaming(Configuration conf,<a name="line.567"></a>
+<span class="sourceLineNo">568</span>          Map&lt;String, String&gt; renameMap) {<a name="line.568"></a>
+<span class="sourceLineNo">569</span>    StringBuilder sb = new StringBuilder();<a name="line.569"></a>
+<span class="sourceLineNo">570</span>    for(Map.Entry&lt;String,String&gt; entry: renameMap.entrySet()) {<a name="line.570"></a>
+<span class="sourceLineNo">571</span>      String sourceCf = entry.getKey();<a name="line.571"></a>
+<span class="sourceLineNo">572</span>      String destCf = entry.getValue();<a name="line.572"></a>
+<span class="sourceLineNo">573</span><a name="line.573"></a>
+<span class="sourceLineNo">574</span>      if(sourceCf.contains(":") || sourceCf.contains(",") ||<a name="line.574"></a>
+<span class="sourceLineNo">575</span>              destCf.contains(":") || destCf.contains(",")) {<a name="line.575"></a>
+<span class="sourceLineNo">576</span>        throw new IllegalArgumentException("Illegal character in CF names: "<a name="line.576"></a>
+<span class="sourceLineNo">577</span>              + sourceCf + ", " + destCf);<a name="line.577"></a>
+<span class="sourceLineNo">578</span>      }<a name="line.578"></a>
+<span class="sourceLineNo">579</span><a name="line.579"></a>
+<span class="sourceLineNo">580</span>      if(sb.length() != 0) {<a name="line.580"></a>
+<span class="sourceLineNo">581</span>        sb.append(",");<a name="line.581"></a>
+<span class="sourceLineNo">582</span>      }<a name="line.582"></a>
+<span class="sourceLineNo">583</span>      sb.append(sourceCf + ":" + destCf);<a name="line.583"></a>
+<span class="sourceLineNo">584</span>    }<a name="line.584"></

<TRUNCATED>

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