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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/07/28 14:49:10 UTC

[05/11] hbase-site git commit: Published site at e963694259aa9242aa709e9b954754abd9a681cd.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/RestoreTool.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/RestoreTool.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/RestoreTool.html
index bbbf2a1..4153319 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/RestoreTool.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/util/RestoreTool.html
@@ -244,279 +244,280 @@
 <span class="sourceLineNo">236</span>    Path tableInfoPath = null;<a name="line.236"></a>
 <span class="sourceLineNo">237</span><a name="line.237"></a>
 <span class="sourceLineNo">238</span>    // can't build the path directly as the timestamp values are different<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    FileStatus[] snapshots = fs.listStatus(tableSnapShotPath);<a name="line.239"></a>
-<span class="sourceLineNo">240</span>    for (FileStatus snapshot : snapshots) {<a name="line.240"></a>
-<span class="sourceLineNo">241</span>      tableInfoPath = snapshot.getPath();<a name="line.241"></a>
-<span class="sourceLineNo">242</span>      // SnapshotManifest.DATA_MANIFEST_NAME = "data.manifest";<a name="line.242"></a>
-<span class="sourceLineNo">243</span>      if (tableInfoPath.getName().endsWith("data.manifest")) {<a name="line.243"></a>
-<span class="sourceLineNo">244</span>        break;<a name="line.244"></a>
-<span class="sourceLineNo">245</span>      }<a name="line.245"></a>
-<span class="sourceLineNo">246</span>    }<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    return tableInfoPath;<a name="line.247"></a>
-<span class="sourceLineNo">248</span>  }<a name="line.248"></a>
-<span class="sourceLineNo">249</span><a name="line.249"></a>
-<span class="sourceLineNo">250</span>  /**<a name="line.250"></a>
-<span class="sourceLineNo">251</span>   * Get table descriptor<a name="line.251"></a>
-<span class="sourceLineNo">252</span>   * @param tableName is the table backed up<a name="line.252"></a>
-<span class="sourceLineNo">253</span>   * @return {@link TableDescriptor} saved in backup image of the table<a name="line.253"></a>
-<span class="sourceLineNo">254</span>   */<a name="line.254"></a>
-<span class="sourceLineNo">255</span>  TableDescriptor getTableDesc(TableName tableName) throws IOException {<a name="line.255"></a>
-<span class="sourceLineNo">256</span>    Path tableInfoPath = this.getTableInfoPath(tableName);<a name="line.256"></a>
-<span class="sourceLineNo">257</span>    SnapshotDescription desc = SnapshotDescriptionUtils.readSnapshotInfo(fs, tableInfoPath);<a name="line.257"></a>
-<span class="sourceLineNo">258</span>    SnapshotManifest manifest = SnapshotManifest.open(conf, fs, tableInfoPath, desc);<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    TableDescriptor tableDescriptor = manifest.getTableDescriptor();<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    if (!tableDescriptor.getTableName().equals(tableName)) {<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      LOG.error("couldn't find Table Desc for table: " + tableName + " under tableInfoPath: "<a name="line.261"></a>
-<span class="sourceLineNo">262</span>              + tableInfoPath.toString());<a name="line.262"></a>
-<span class="sourceLineNo">263</span>      LOG.error("tableDescriptor.getNameAsString() = "<a name="line.263"></a>
-<span class="sourceLineNo">264</span>              + tableDescriptor.getTableName().getNameAsString());<a name="line.264"></a>
-<span class="sourceLineNo">265</span>      throw new FileNotFoundException("couldn't find Table Desc for table: " + tableName<a name="line.265"></a>
-<span class="sourceLineNo">266</span>          + " under tableInfoPath: " + tableInfoPath.toString());<a name="line.266"></a>
-<span class="sourceLineNo">267</span>    }<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    return tableDescriptor;<a name="line.268"></a>
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-<span class="sourceLineNo">270</span><a name="line.270"></a>
-<span class="sourceLineNo">271</span>  private TableDescriptor getTableDescriptor(FileSystem fileSys, TableName tableName,<a name="line.271"></a>
-<span class="sourceLineNo">272</span>      String lastIncrBackupId) throws IOException {<a name="line.272"></a>
-<span class="sourceLineNo">273</span>    if (lastIncrBackupId != null) {<a name="line.273"></a>
-<span class="sourceLineNo">274</span>      String target =<a name="line.274"></a>
-<span class="sourceLineNo">275</span>          BackupUtils.getTableBackupDir(backupRootPath.toString(),<a name="line.275"></a>
-<span class="sourceLineNo">276</span>            lastIncrBackupId, tableName);<a name="line.276"></a>
-<span class="sourceLineNo">277</span>      return FSTableDescriptors.getTableDescriptorFromFs(fileSys, new Path(target));<a name="line.277"></a>
-<span class="sourceLineNo">278</span>    }<a name="line.278"></a>
-<span class="sourceLineNo">279</span>    return null;<a name="line.279"></a>
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-<span class="sourceLineNo">281</span><a name="line.281"></a>
-<span class="sourceLineNo">282</span>  private void createAndRestoreTable(Connection conn, TableName tableName, TableName newTableName,<a name="line.282"></a>
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-<span class="sourceLineNo">285</span>      newTableName = tableName;<a name="line.285"></a>
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-<span class="sourceLineNo">287</span>    FileSystem fileSys = tableBackupPath.getFileSystem(this.conf);<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span>    // get table descriptor first<a name="line.289"></a>
-<span class="sourceLineNo">290</span>    TableDescriptor tableDescriptor = getTableDescriptor(fileSys, tableName, lastIncrBackupId);<a name="line.290"></a>
-<span class="sourceLineNo">291</span>    if (tableDescriptor != null) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span>      LOG.debug("Retrieved descriptor: " + tableDescriptor + " thru " + lastIncrBackupId);<a name="line.292"></a>
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-<span class="sourceLineNo">294</span><a name="line.294"></a>
-<span class="sourceLineNo">295</span>    if (tableDescriptor == null) {<a name="line.295"></a>
-<span class="sourceLineNo">296</span>      Path tableSnapshotPath = getTableSnapshotPath(backupRootPath, tableName, backupId);<a name="line.296"></a>
-<span class="sourceLineNo">297</span>      if (fileSys.exists(tableSnapshotPath)) {<a name="line.297"></a>
-<span class="sourceLineNo">298</span>        // snapshot path exist means the backup path is in HDFS<a name="line.298"></a>
-<span class="sourceLineNo">299</span>        // check whether snapshot dir already recorded for target table<a name="line.299"></a>
-<span class="sourceLineNo">300</span>        if (snapshotMap.get(tableName) != null) {<a name="line.300"></a>
-<span class="sourceLineNo">301</span>          SnapshotDescription desc =<a name="line.301"></a>
-<span class="sourceLineNo">302</span>              SnapshotDescriptionUtils.readSnapshotInfo(fileSys, tableSnapshotPath);<a name="line.302"></a>
-<span class="sourceLineNo">303</span>          SnapshotManifest manifest = SnapshotManifest.open(conf, fileSys, tableSnapshotPath, desc);<a name="line.303"></a>
-<span class="sourceLineNo">304</span>          tableDescriptor = manifest.getTableDescriptor();<a name="line.304"></a>
-<span class="sourceLineNo">305</span>        } else {<a name="line.305"></a>
-<span class="sourceLineNo">306</span>          tableDescriptor = getTableDesc(tableName);<a name="line.306"></a>
-<span class="sourceLineNo">307</span>          snapshotMap.put(tableName, getTableInfoPath(tableName));<a name="line.307"></a>
-<span class="sourceLineNo">308</span>        }<a name="line.308"></a>
-<span class="sourceLineNo">309</span>        if (tableDescriptor == null) {<a name="line.309"></a>
-<span class="sourceLineNo">310</span>          LOG.debug("Found no table descriptor in the snapshot dir, previous schema would be lost");<a name="line.310"></a>
-<span class="sourceLineNo">311</span>        }<a name="line.311"></a>
-<span class="sourceLineNo">312</span>      } else {<a name="line.312"></a>
-<span class="sourceLineNo">313</span>        throw new IOException("Table snapshot directory: " +<a name="line.313"></a>
-<span class="sourceLineNo">314</span>            tableSnapshotPath + " does not exist.");<a name="line.314"></a>
-<span class="sourceLineNo">315</span>      }<a name="line.315"></a>
-<span class="sourceLineNo">316</span>    }<a name="line.316"></a>
-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span>    Path tableArchivePath = getTableArchivePath(tableName);<a name="line.318"></a>
-<span class="sourceLineNo">319</span>    if (tableArchivePath == null) {<a name="line.319"></a>
-<span class="sourceLineNo">320</span>      if (tableDescriptor != null) {<a name="line.320"></a>
-<span class="sourceLineNo">321</span>        // find table descriptor but no archive dir means the table is empty, create table and exit<a name="line.321"></a>
-<span class="sourceLineNo">322</span>        if (LOG.isDebugEnabled()) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span>          LOG.debug("find table descriptor but no archive dir for table " + tableName<a name="line.323"></a>
-<span class="sourceLineNo">324</span>              + ", will only create table");<a name="line.324"></a>
-<span class="sourceLineNo">325</span>        }<a name="line.325"></a>
-<span class="sourceLineNo">326</span>        tableDescriptor = TableDescriptorBuilder.copy(newTableName, tableDescriptor);<a name="line.326"></a>
-<span class="sourceLineNo">327</span>        checkAndCreateTable(conn, tableBackupPath, tableName, newTableName, null, tableDescriptor,<a name="line.327"></a>
-<span class="sourceLineNo">328</span>          truncateIfExists);<a name="line.328"></a>
-<span class="sourceLineNo">329</span>        return;<a name="line.329"></a>
-<span class="sourceLineNo">330</span>      } else {<a name="line.330"></a>
-<span class="sourceLineNo">331</span>        throw new IllegalStateException("Cannot restore hbase table because directory '"<a name="line.331"></a>
-<span class="sourceLineNo">332</span>            + " tableArchivePath is null.");<a name="line.332"></a>
-<span class="sourceLineNo">333</span>      }<a name="line.333"></a>
-<span class="sourceLineNo">334</span>    }<a name="line.334"></a>
-<span class="sourceLineNo">335</span><a name="line.335"></a>
-<span class="sourceLineNo">336</span>    if (tableDescriptor == null) {<a name="line.336"></a>
-<span class="sourceLineNo">337</span>      tableDescriptor = TableDescriptorBuilder.newBuilder(newTableName).build();<a name="line.337"></a>
-<span class="sourceLineNo">338</span>    } else {<a name="line.338"></a>
-<span class="sourceLineNo">339</span>      tableDescriptor = TableDescriptorBuilder.copy(newTableName, tableDescriptor);<a name="line.339"></a>
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-<span class="sourceLineNo">341</span><a name="line.341"></a>
-<span class="sourceLineNo">342</span>    // record all region dirs:<a name="line.342"></a>
-<span class="sourceLineNo">343</span>    // load all files in dir<a name="line.343"></a>
-<span class="sourceLineNo">344</span>    try {<a name="line.344"></a>
-<span class="sourceLineNo">345</span>      ArrayList&lt;Path&gt; regionPathList = getRegionList(tableName);<a name="line.345"></a>
-<span class="sourceLineNo">346</span><a name="line.346"></a>
-<span class="sourceLineNo">347</span>      // should only try to create the table with all region informations, so we could pre-split<a name="line.347"></a>
-<span class="sourceLineNo">348</span>      // the regions in fine grain<a name="line.348"></a>
-<span class="sourceLineNo">349</span>      checkAndCreateTable(conn, tableBackupPath, tableName, newTableName, regionPathList,<a name="line.349"></a>
-<span class="sourceLineNo">350</span>        tableDescriptor, truncateIfExists);<a name="line.350"></a>
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-<span class="sourceLineNo">352</span>      Path[] paths = new Path[regionPathList.size()];<a name="line.352"></a>
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-<span class="sourceLineNo">354</span>      restoreService.run(paths, new TableName[]{tableName}, new TableName[] {newTableName}, true);<a name="line.354"></a>
-<span class="sourceLineNo">355</span><a name="line.355"></a>
-<span class="sourceLineNo">356</span>    } catch (Exception e) {<a name="line.356"></a>
-<span class="sourceLineNo">357</span>      LOG.error(e.toString(), e);<a name="line.357"></a>
-<span class="sourceLineNo">358</span>      throw new IllegalStateException("Cannot restore hbase table", e);<a name="line.358"></a>
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-<span class="sourceLineNo">361</span><a name="line.361"></a>
-<span class="sourceLineNo">362</span>  /**<a name="line.362"></a>
-<span class="sourceLineNo">363</span>   * Gets region list<a name="line.363"></a>
-<span class="sourceLineNo">364</span>   * @param tableArchivePath table archive path<a name="line.364"></a>
-<span class="sourceLineNo">365</span>   * @return RegionList region list<a name="line.365"></a>
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-<span class="sourceLineNo">382</span>   * @return a set of keys to store the boundaries<a name="line.382"></a>
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-<span class="sourceLineNo">456</span>  /**<a name="line.456"></a>
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+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span>        // start to parse hfile inside one family dir<a name="line.426"></a>
+<span class="sourceLineNo">427</span>        Path[] hfiles = FileUtil.stat2Paths(fs.listStatus(familyDir));<a name="line.427"></a>
+<span class="sourceLineNo">428</span>        for (Path hfile : hfiles) {<a name="line.428"></a>
+<span class="sourceLineNo">429</span>          if (hfile.getName().startsWith("_") || hfile.getName().startsWith(".")<a name="line.429"></a>
+<span class="sourceLineNo">430</span>              || StoreFileInfo.isReference(hfile.getName())<a name="line.430"></a>
+<span class="sourceLineNo">431</span>              || HFileLink.isHFileLink(hfile.getName())) {<a name="line.431"></a>
+<span class="sourceLineNo">432</span>            continue;<a name="line.432"></a>
+<span class="sourceLineNo">433</span>          }<a name="line.433"></a>
+<span class="sourceLineNo">434</span>          HFile.Reader reader = HFile.createReader(fs, hfile, conf);<a name="line.434"></a>
+<span class="sourceLineNo">435</span>          final byte[] first, last;<a name="line.435"></a>
+<span class="sourceLineNo">436</span>          try {<a name="line.436"></a>
+<span class="sourceLineNo">437</span>            reader.loadFileInfo();<a name="line.437"></a>
+<span class="sourceLineNo">438</span>            first = reader.getFirstRowKey().get();<a name="line.438"></a>
+<span class="sourceLineNo">439</span>            last = reader.getLastRowKey().get();<a name="line.439"></a>
+<span class="sourceLineNo">440</span>            LOG.debug("Trying to figure out region boundaries hfile=" + hfile + " first="<a name="line.440"></a>
+<span class="sourceLineNo">441</span>                + Bytes.toStringBinary(first) + " last=" + Bytes.toStringBinary(last));<a name="line.441"></a>
+<span class="sourceLineNo">442</span><a name="line.442"></a>
+<span class="sourceLineNo">443</span>            // To eventually infer start key-end key boundaries<a name="line.443"></a>
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+<span class="sourceLineNo">445</span>            map.put(first, value + 1);<a name="line.445"></a>
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+<span class="sourceLineNo">447</span>            map.put(last, value - 1);<a name="line.447"></a>
+<span class="sourceLineNo">448</span>          } finally {<a name="line.448"></a>
+<span class="sourceLineNo">449</span>            reader.close();<a name="line.449"></a>
+<span class="sourceLineNo">450</span>          }<a name="line.450"></a>
+<span class="sourceLineNo">451</span>        }<a name="line.451"></a>
+<span class="sourceLineNo">452</span>      }<a name="line.452"></a>
+<span class="sourceLineNo">453</span>    }<a name="line.453"></a>
+<span class="sourceLineNo">454</span>    return LoadIncrementalHFiles.inferBoundaries(map);<a name="line.454"></a>
+<span class="sourceLineNo">455</span>  }<a name="line.455"></a>
+<span class="sourceLineNo">456</span><a name="line.456"></a>
+<span class="sourceLineNo">457</span>  /**<a name="line.457"></a>
+<span class="sourceLineNo">458</span>   * Prepare the table for bulkload, most codes copied from<a name="line.458"></a>
+<span class="sourceLineNo">459</span>   * {@link LoadIncrementalHFiles#createTable(TableName, String, Admin)}<a name="line.459"></a>
+<span class="sourceLineNo">460</span>   * @param conn connection<a name="line.460"></a>
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+<span class="sourceLineNo">462</span>   * @param tableName table name<a name="line.462"></a>
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+<span class="sourceLineNo">465</span>   * @param htd table descriptor<a name="line.465"></a>
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+<span class="sourceLineNo">467</span>   * @throws IOException exception<a name="line.467"></a>
+<span class="sourceLineNo">468</span>   */<a name="line.468"></a>
+<span class="sourceLineNo">469</span>  private void checkAndCreateTable(Connection conn, Path tableBackupPath, TableName tableName,<a name="line.469"></a>
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+<span class="sourceLineNo">473</span>      boolean createNew = false;<a name="line.473"></a>
+<span class="sourceLineNo">474</span>      if (admin.tableExists(targetTableName)) {<a name="line.474"></a>
+<span class="sourceLineNo">475</span>        if (truncateIfExists) {<a name="line.475"></a>
+<span class="sourceLineNo">476</span>          LOG.info("Truncating exising target table '" + targetTableName<a name="line.476"></a>
+<span class="sourceLineNo">477</span>              + "', preserving region splits");<a name="line.477"></a>
+<span class="sourceLineNo">478</span>          admin.disableTable(targetTableName);<a name="line.478"></a>
+<span class="sourceLineNo">479</span>          admin.truncateTable(targetTableName, true);<a name="line.479"></a>
+<span class="sourceLineNo">480</span>        } else {<a name="line.480"></a>
+<span class="sourceLineNo">481</span>          LOG.info("Using exising target table '" + targetTableName + "'");<a name="line.481"></a>
+<span class="sourceLineNo">482</span>        }<a name="line.482"></a>
+<span class="sourceLineNo">483</span>      } else {<a name="line.483"></a>
+<span class="sourceLineNo">484</span>        createNew = true;<a name="line.484"></a>
+<span class="sourceLineNo">485</span>      }<a name="line.485"></a>
+<span class="sourceLineNo">486</span>      if (createNew) {<a name="line.486"></a>
+<span class="sourceLineNo">487</span>        LOG.info("Creating target table '" + targetTableName + "'");<a name="line.487"></a>
+<span class="sourceLineNo">488</span>        byte[][] keys;<a name="line.488"></a>
+<span class="sourceLineNo">489</span>        if (regionDirList == null || regionDirList.size() == 0) {<a name="line.489"></a>
+<span class="sourceLineNo">490</span>          admin.createTable(htd, null);<a name="line.490"></a>
+<span class="sourceLineNo">491</span>        } else {<a name="line.491"></a>
+<span class="sourceLineNo">492</span>          keys = generateBoundaryKeys(regionDirList);<a name="line.492"></a>
+<span class="sourceLineNo">493</span>          // create table using table descriptor and region boundaries<a name="line.493"></a>
+<span class="sourceLineNo">494</span>          admin.createTable(htd, keys);<a name="line.494"></a>
+<span class="sourceLineNo">495</span>        }<a name="line.495"></a>
+<span class="sourceLineNo">496</span><a name="line.496"></a>
+<span class="sourceLineNo">497</span>      }<a name="line.497"></a>
+<span class="sourceLineNo">498</span>      long startTime = EnvironmentEdgeManager.currentTime();<a name="line.498"></a>
+<span class="sourceLineNo">499</span>      while (!admin.isTableAvailable(targetTableName)) {<a name="line.499"></a>
+<span class="sourceLineNo">500</span>        try {<a name="line.500"></a>
+<span class="sourceLineNo">501</span>          Thread.sleep(100);<a name="line.501"></a>
+<span class="sourceLineNo">502</span>        } catch (InterruptedException ie) {<a name="line.502"></a>
+<span class="sourceLineNo">503</span>          Thread.currentThread().interrupt();<a name="line.503"></a>
+<span class="sourceLineNo">504</span>        }<a name="line.504"></a>
+<span class="sourceLineNo">505</span>        if (EnvironmentEdgeManager.currentTime() - startTime &gt; TABLE_AVAILABILITY_WAIT_TIME) {<a name="line.505"></a>
+<span class="sourceLineNo">506</span>          throw new IOException("Time out " + TABLE_AVAILABILITY_WAIT_TIME + "ms expired, table "<a name="line.506"></a>
+<span class="sourceLineNo">507</span>              + targetTableName + " is still not available");<a name="line.507"></a>
+<span class="sourceLineNo">508</span>        }<a name="line.508"></a>
+<span class="sourceLineNo">509</span>      }<a name="line.509"></a>
+<span class="sourceLineNo">510</span>    }<a name="line.510"></a>
+<span class="sourceLineNo">511</span>  }<a name="line.511"></a>
+<span class="sourceLineNo">512</span>}<a name="line.512"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html
index 8842f7c..e04a607 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html
@@ -62,23 +62,24 @@
 <span class="sourceLineNo">054</span>    final FSDataOutputStream out;<a name="line.54"></a>
 <span class="sourceLineNo">055</span>    int bufferSize = fs.getConf().getInt(CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY,<a name="line.55"></a>
 <span class="sourceLineNo">056</span>      CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_DEFAULT);<a name="line.56"></a>
-<span class="sourceLineNo">057</span>    if (createParent) {<a name="line.57"></a>
-<span class="sourceLineNo">058</span>      out = fs.create(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    } else {<a name="line.59"></a>
-<span class="sourceLineNo">060</span>      out = fs.createNonRecursive(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    }<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    // After we create the stream but before we attempt to use it at all<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    // ensure that we can provide the level of data safety we're configured<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    // to provide.<a name="line.64"></a>
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-<span class="sourceLineNo">067</span>        CommonFSUtils.hasCapability(out, "hsync"))) {<a name="line.67"></a>
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-<span class="sourceLineNo">070</span>    }<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    return new WrapperAsyncFSOutput(f, out);<a name="line.71"></a>
-<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
-<span class="sourceLineNo">073</span>}<a name="line.73"></a>
+<span class="sourceLineNo">057</span>    // This is not a Distributed File System, so it won't be erasure coded; no builder API needed<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    if (createParent) {<a name="line.58"></a>
+<span class="sourceLineNo">059</span>      out = fs.create(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    } else {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>      out = fs.createNonRecursive(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    }<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    // After we create the stream but before we attempt to use it at all<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    // ensure that we can provide the level of data safety we're configured<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    // to provide.<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    if (fs.getConf().getBoolean(CommonFSUtils.UNSAFE_STREAM_CAPABILITY_ENFORCE, true) &amp;&amp;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>      !(CommonFSUtils.hasCapability(out, "hflush") &amp;&amp;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>        CommonFSUtils.hasCapability(out, "hsync"))) {<a name="line.68"></a>
+<span class="sourceLineNo">069</span>      out.close();<a name="line.69"></a>
+<span class="sourceLineNo">070</span>      throw new CommonFSUtils.StreamLacksCapabilityException("hflush and hsync");<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    }<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    return new WrapperAsyncFSOutput(f, out);<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  }<a name="line.73"></a>
+<span class="sourceLineNo">074</span>}<a name="line.74"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
index a07f45e..c63e65a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
@@ -1036,7 +1036,7 @@
 <span class="sourceLineNo">1028</span>    long startPos = -1;<a name="line.1028"></a>
 <span class="sourceLineNo">1029</span>    newLogFile = getLogFilePath(logId);<a name="line.1029"></a>
 <span class="sourceLineNo">1030</span>    try {<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span>      newStream = fs.create(newLogFile, false);<a name="line.1031"></a>
+<span class="sourceLineNo">1031</span>      newStream = CommonFSUtils.createForWal(fs, newLogFile, false);<a name="line.1031"></a>
 <span class="sourceLineNo">1032</span>    } catch (FileAlreadyExistsException e) {<a name="line.1032"></a>
 <span class="sourceLineNo">1033</span>      LOG.error("Log file with id=" + logId + " already exists", e);<a name="line.1033"></a>
 <span class="sourceLineNo">1034</span>      return false;<a name="line.1034"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
index a07f45e..c63e65a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.PushType.html
@@ -1036,7 +1036,7 @@
 <span class="sourceLineNo">1028</span>    long startPos = -1;<a name="line.1028"></a>
 <span class="sourceLineNo">1029</span>    newLogFile = getLogFilePath(logId);<a name="line.1029"></a>
 <span class="sourceLineNo">1030</span>    try {<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span>      newStream = fs.create(newLogFile, false);<a name="line.1031"></a>
+<span class="sourceLineNo">1031</span>      newStream = CommonFSUtils.createForWal(fs, newLogFile, false);<a name="line.1031"></a>
 <span class="sourceLineNo">1032</span>    } catch (FileAlreadyExistsException e) {<a name="line.1032"></a>
 <span class="sourceLineNo">1033</span>      LOG.error("Log file with id=" + logId + " already exists", e);<a name="line.1033"></a>
 <span class="sourceLineNo">1034</span>      return false;<a name="line.1034"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html
index a07f45e..c63e65a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.SyncMetrics.html
@@ -1036,7 +1036,7 @@
 <span class="sourceLineNo">1028</span>    long startPos = -1;<a name="line.1028"></a>
 <span class="sourceLineNo">1029</span>    newLogFile = getLogFilePath(logId);<a name="line.1029"></a>
 <span class="sourceLineNo">1030</span>    try {<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span>      newStream = fs.create(newLogFile, false);<a name="line.1031"></a>
+<span class="sourceLineNo">1031</span>      newStream = CommonFSUtils.createForWal(fs, newLogFile, false);<a name="line.1031"></a>
 <span class="sourceLineNo">1032</span>    } catch (FileAlreadyExistsException e) {<a name="line.1032"></a>
 <span class="sourceLineNo">1033</span>      LOG.error("Log file with id=" + logId + " already exists", e);<a name="line.1033"></a>
 <span class="sourceLineNo">1034</span>      return false;<a name="line.1034"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.html
index a07f45e..c63e65a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.html
@@ -1036,7 +1036,7 @@
 <span class="sourceLineNo">1028</span>    long startPos = -1;<a name="line.1028"></a>
 <span class="sourceLineNo">1029</span>    newLogFile = getLogFilePath(logId);<a name="line.1029"></a>
 <span class="sourceLineNo">1030</span>    try {<a name="line.1030"></a>
-<span class="sourceLineNo">1031</span>      newStream = fs.create(newLogFile, false);<a name="line.1031"></a>
+<span class="sourceLineNo">1031</span>      newStream = CommonFSUtils.createForWal(fs, newLogFile, false);<a name="line.1031"></a>
 <span class="sourceLineNo">1032</span>    } catch (FileAlreadyExistsException e) {<a name="line.1032"></a>
 <span class="sourceLineNo">1033</span>      LOG.error("Log file with id=" + logId + " already exists", e);<a name="line.1033"></a>
 <span class="sourceLineNo">1034</span>      return false;<a name="line.1034"></a>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e10887fe/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.html
index 2cafba9..677e77c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/wal/ProtobufLogWriter.html
@@ -68,68 +68,72 @@
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 <span class="sourceLineNo">061</span>    if (this.output != null) {<a name="line.61"></a>
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-<span class="sourceLineNo">064</span>        this.output.close();<a name="line.64"></a>
-<span class="sourceLineNo">065</span>      } catch (NullPointerException npe) {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>        // Can get a NPE coming up from down in DFSClient$DFSOutputStream#close<a name="line.66"></a>
-<span class="sourceLineNo">067</span>        LOG.warn(npe.toString(), npe);<a name="line.67"></a>
-<span class="sourceLineNo">068</span>      }<a name="line.68"></a>
-<span class="sourceLineNo">069</span>      this.output = null;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>    }<a name="line.70"></a>
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-<span class="sourceLineNo">073</span>  @Override<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  public void sync(boolean forceSync) throws IOException {<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    FSDataOutputStream fsdos = this.output;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    if (fsdos == null) return; // Presume closed<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    fsdos.flush();<a name="line.77"></a>
-<span class="sourceLineNo">078</span>    if (forceSync) {<a name="line.78"></a>
-<span class="sourceLineNo">079</span>      fsdos.hsync();<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    } else {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      fsdos.hflush();<a name="line.81"></a>
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-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span>  public FSDataOutputStream getStream() {<a name="line.85"></a>
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+<span class="sourceLineNo">063</span>        if (!trailerWritten) {<a name="line.63"></a>
+<span class="sourceLineNo">064</span>          writeWALTrailer();<a name="line.64"></a>
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