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| <div class="subTitle">org.apache.hadoop.hbase.io.asyncfs</div> |
| <h2 title="Class FanOutOneBlockAsyncDFSOutput" class="title">Class FanOutOneBlockAsyncDFSOutput</h2> |
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| <li>org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutput</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></dd> |
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| <br> |
| <pre>@InterfaceAudience.Private |
| public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.97">FanOutOneBlockAsyncDFSOutput</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></pre> |
| <div class="block">An asynchronous HDFS output stream implementation which fans out data to datanode and only |
| supports writing file with only one block. |
| <p> |
| Use the createOutput method in <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputHelper.html" title="class in org.apache.hadoop.hbase.io.asyncfs"><code>FanOutOneBlockAsyncDFSOutputHelper</code></a> to create. The mainly |
| usage of this class is implementing WAL, so we only expose a little HDFS configurations in the |
| method. And we place it here under io package because we want to make it independent of WAL |
| implementation thus easier to move it to HDFS project finally. |
| <p> |
| Note that, although we support pipelined flush, i.e, write new data and then flush before the |
| previous flush succeeds, the implementation is not thread safe, so you should not call its |
| methods concurrently. |
| <p> |
| Advantages compare to DFSOutputStream: |
| <ol> |
| <li>The fan out mechanism. This will reduce the latency.</li> |
| <li>Fail-fast when connection to datanode error. The WAL implementation could open new writer |
| ASAP.</li> |
| <li>We could benefit from netty's ByteBuf management mechanism.</li> |
| </ol></div> |
| </li> |
| </ul> |
| </div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html" title="class in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutput.AckHandler</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html" title="class in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutput.Callback</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.State.html" title="enum in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutput.State</a></span></code> </td> |
| </tr> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#ackedBlockLength">ackedBlockLength</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#alloc">alloc</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.hdfs.protocol.ExtendedBlock</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#block">block</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#buf">buf</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.hdfs.DFSClient</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#client">client</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#clientName">clientName</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#conf">conf</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hbase.thirdparty.io.netty.channel.Channel></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#datanodeList">datanodeList</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.hdfs.DistributedFileSystem</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#dfs">dfs</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.crypto.Encryptor</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#encryptor">encryptor</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#fileId">fileId</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.hdfs.protocol.DatanodeInfo[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#locations">locations</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#MAX_DATA_LEN">MAX_DATA_LEN</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#maxDataLen">maxDataLen</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.hdfs.protocol.ClientProtocol</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#namenode">namenode</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#nextPacketOffsetInBlock">nextPacketOffsetInBlock</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#nextPacketSeqno">nextPacketSeqno</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/SendBufSizePredictor.html" title="class in org.apache.hadoop.hbase.io.asyncfs">SendBufSizePredictor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#sendBufSizePRedictor">sendBufSizePRedictor</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#src">src</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.State.html" title="enum in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutput.State</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#state">state</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private org.apache.hadoop.util.DataChecksum</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#summer">summer</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#trailingPartialChunkLength">trailingPartialChunkLength</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentLinkedDeque.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentLinkedDeque</a><<a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html" title="class in org.apache.hadoop.hbase.io.asyncfs">FanOutOneBlockAsyncDFSOutput.Callback</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#waitingAckQueue">waitingAckQueue</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#FanOutOneBlockAsyncDFSOutput-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hdfs.DistributedFileSystem-org.apache.hadoop.hdfs.DFSClient-org.apache.hadoop.hdfs.protocol.ClientProtocol-java.lang.String-java.lang.String-long-org.apache.hadoop.hdfs.protocol.LocatedBlock-org.apache.hadoop.crypto.Encryptor-java.util.List-org.apache.hadoop.util.DataChecksum-org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator-">FanOutOneBlockAsyncDFSOutput</a></span>(org.apache.hadoop.conf.Configuration conf, |
| org.apache.hadoop.hdfs.DistributedFileSystem dfs, |
| org.apache.hadoop.hdfs.DFSClient client, |
| org.apache.hadoop.hdfs.protocol.ClientProtocol namenode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> clientName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> src, |
| long fileId, |
| org.apache.hadoop.hdfs.protocol.LocatedBlock locatedBlock, |
| org.apache.hadoop.crypto.Encryptor encryptor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hbase.thirdparty.io.netty.channel.Channel> datanodeList, |
| org.apache.hadoop.util.DataChecksum summer, |
| org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator alloc)</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method.summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#buffered--">buffered</a></span>()</code> |
| <div class="block">Return the current size of buffered data.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#close--">close</a></span>()</code> |
| <div class="block">End the current block and complete file at namenode.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#completed-org.apache.hbase.thirdparty.io.netty.channel.Channel-">completed</a></span>(org.apache.hbase.thirdparty.io.netty.channel.Channel channel)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#endBlock--">endBlock</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#failed-org.apache.hbase.thirdparty.io.netty.channel.Channel-java.util.function.Supplier-">failed</a></span>(org.apache.hbase.thirdparty.io.netty.channel.Channel channel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>> errorSupplier)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#flush-boolean-">flush</a></span>(boolean syncBlock)</code> |
| <div class="block">Flush the buffer out to datanodes.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#flush0-java.util.concurrent.CompletableFuture-boolean-">flush0</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> future, |
| boolean syncBlock)</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#flushBuffer-java.util.concurrent.CompletableFuture-org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf-long-boolean-">flushBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> future, |
| org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf dataBuf, |
| long nextPacketOffsetInBlock, |
| boolean syncBlock)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>org.apache.hadoop.hdfs.protocol.DatanodeInfo[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#getPipeline--">getPipeline</a></span>()</code> |
| <div class="block">Return current pipeline.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#getSyncedLength--">getSyncedLength</a></span>()</code> </td> |
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| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#isBroken--">isBroken</a></span>()</code> |
| <div class="block">Whether the stream is broken.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#recoverAndClose-org.apache.hadoop.hbase.util.CancelableProgressable-">recoverAndClose</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/util/CancelableProgressable.html" title="interface in org.apache.hadoop.hbase.util">CancelableProgressable</a> reporter)</code> |
| <div class="block">The close method when error occurred.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#setupReceiver-int-">setupReceiver</a></span>(int timeoutMs)</code> </td> |
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| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#write-byte:A-">write</a></span>(byte[] b)</code> |
| <div class="block">Just call write(b, 0, b.length).</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#write-byte:A-int-int-">write</a></span>(byte[] b, |
| int off, |
| int len)</code> |
| <div class="block">Copy the data into the buffer.</div> |
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| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#write-java.nio.ByteBuffer-">write</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> bb)</code> |
| <div class="block">Copy the data in the given <code>bb</code> into the buffer.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#writeInt-int-">writeInt</a></span>(int i)</code> |
| <div class="block">Write an int to the buffer.</div> |
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| org.apache.hadoop.hdfs.DistributedFileSystem dfs, |
| org.apache.hadoop.hdfs.DFSClient client, |
| org.apache.hadoop.hdfs.protocol.ClientProtocol namenode, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> clientName, |
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| long fileId, |
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| org.apache.hadoop.crypto.Encryptor encryptor, |
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| org.apache.hadoop.util.DataChecksum summer, |
| org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator alloc)</pre> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html?is-external=true" title="class or interface in java.util.function">Supplier</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>> errorSupplier)</pre> |
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| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.349">writeInt</a>(int i)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#writeInt-int-">AsyncFSOutput</a></code></span></div> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#writeInt-int-">writeInt</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <h4>write</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.355">write</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> bb)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-java.nio.ByteBuffer-">AsyncFSOutput</a></code></span></div> |
| <div class="block">Copy the data in the given <code>bb</code> into the buffer.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-java.nio.ByteBuffer-">write</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <a name="write-byte:A-"> |
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| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.361">write</a>(byte[] b)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-byte:A-">AsyncFSOutput</a></code></span></div> |
| <div class="block">Just call write(b, 0, b.length).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-byte:A-">write</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-byte:A-int-int-"><code>AsyncFSOutput.write(byte[], int, int)</code></a></dd> |
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| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.366">write</a>(byte[] b, |
| int off, |
| int len)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-byte:A-int-int-">AsyncFSOutput</a></code></span></div> |
| <div class="block">Copy the data into the buffer. Note that you need to call <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#flush-boolean-"><code>AsyncFSOutput.flush(boolean)</code></a> to flush the |
| buffer manually.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#write-byte:A-int-int-">write</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <pre>public int <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.372">buffered</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#buffered--">AsyncFSOutput</a></code></span></div> |
| <div class="block">Return the current size of buffered data.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#buffered--">buffered</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <pre>public org.apache.hadoop.hdfs.protocol.DatanodeInfo[] <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.377">getPipeline</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#getPipeline--">AsyncFSOutput</a></code></span></div> |
| <div class="block">Return current pipeline. Empty array if no pipeline.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#getPipeline--">getPipeline</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <a name="flushBuffer-java.util.concurrent.CompletableFuture-org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf-long-boolean-"> |
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| <h4>flushBuffer</h4> |
| <pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.381">flushBuffer</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> future, |
| org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf dataBuf, |
| long nextPacketOffsetInBlock, |
| boolean syncBlock)</pre> |
| </li> |
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| <a name="flush0-java.util.concurrent.CompletableFuture-boolean-"> |
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| <h4>flush0</h4> |
| <pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.419">flush0</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> future, |
| boolean syncBlock)</pre> |
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| <h4>flush</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.508">flush</a>(boolean syncBlock)</pre> |
| <div class="block">Flush the buffer out to datanodes.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#flush-boolean-">flush</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>syncBlock</code> - will call hsync if true, otherwise hflush.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A CompletableFuture that hold the acked length after flushing.</dd> |
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| <h4>endBlock</h4> |
| <pre>private void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.514">endBlock</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>recoverAndClose</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.548">recoverAndClose</a>(<a href="../../../../../../org/apache/hadoop/hbase/util/CancelableProgressable.html" title="interface in org.apache.hadoop.hbase.util">CancelableProgressable</a> reporter) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">The close method when error occurred. Now we just call recoverFileLease.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#recoverAndClose-org.apache.hadoop.hbase.util.CancelableProgressable-">recoverAndClose</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>close</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.565">close</a>() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">End the current block and complete file at namenode. You should call |
| <a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#recoverAndClose-org.apache.hadoop.hbase.util.CancelableProgressable-"><code>recoverAndClose(CancelableProgressable)</code></a> if this method throws an exception.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#close--">close</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <h4>isBroken</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.575">isBroken</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#isBroken--">AsyncFSOutput</a></code></span></div> |
| <div class="block">Whether the stream is broken.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#isBroken--">isBroken</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
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| <h4>getSyncedLength</h4> |
| <pre>public long <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.html#line.580">getSyncedLength</a>()</pre> |
| <dl> |
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| <dd><code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html#getSyncedLength--">getSyncedLength</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html" title="interface in org.apache.hadoop.hbase.io.asyncfs">AsyncFSOutput</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>byteSize success synced to underlying filesystem.</dd> |
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| </ul> |
| </li> |
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