You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/16 14:48:28 UTC
[26/51] [partial] hbase-site git commit: Published site at
092efb42749bf7fc6ad338c96aae8e7b9d3a2c74.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.Importer.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.Importer.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.Importer.html
index 39170f0..7859ebc 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.Importer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.Importer.html
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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>
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-<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>
-<span class="sourceLineNo">698</span> + " Filter.ReturnCode#INCLUDE and #INCLUDE_AND_NEXT_COL will be considered as including"<a name="line.698"></a>
-<span class="sourceLineNo">699</span> + " the Cell.");<a name="line.699"></a>
-<span class="sourceLineNo">700</span> System.err.println("To import data exported from HBase 0.94, use");<a name="line.700"></a>
-<span class="sourceLineNo">701</span> System.err.println(" -Dhbase.import.version=0.94");<a name="line.701"></a>
-<span class="sourceLineNo">702</span> System.err.println(" -D " + JOB_NAME_CONF_KEY<a name="line.702"></a>
-<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 + "=<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/...>");<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<byte[]> toQuotedByteArrays(String... stringArgs) {<a name="line.476"></a>
+<span class="sourceLineNo">477</span> ArrayList<byte[]> quotedArgs = new ArrayList<>();<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>
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+<span class="sourceLineNo">485</span><a name="line.485"></a>
+<span class="sourceLineNo">486</span> /**<a name="line.486"></a>
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+<span class="sourceLineNo">490</span> * {@link Cell}<a name="line.490"></a>
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+<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>
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+<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>
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+<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>
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+<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<byte[], byte[]> cfRenameMap) {<a name="line.509"></a>
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+<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>
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+<span class="sourceLineNo">529</span> }<a name="line.529"></a>
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+<span class="sourceLineNo">533</span> // helper: make a map from sourceCfName to destCfName by parsing a config key<a name="line.533"></a>
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+<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>
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+<span class="sourceLineNo">543</span> }<a name="line.543"></a>
+<span class="sourceLineNo">544</span> String [] srcAndDest = mapping.split(":");<a name="line.544"></a>
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+<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>
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+<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>
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+<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>
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+<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> * <pre>srcCf1:destCf1,srcCf2:destCf2,....</pre>. 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>
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+<span class="sourceLineNo">564</span> * set<a name="line.564"></a>
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+<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<String, String> 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<String,String> 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="sourc
<TRUNCATED>