http://git-wip-us.apache.org/repos/asf/hbase-site/blob/bd4d10ee/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.Providers.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.Providers.html b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.Providers.html index 92967f2..a20bd89 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.Providers.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.Providers.html @@ -268,170 +268,170 @@ <span class="sourceLineNo">260</span> if (provider != null) {<a name="line.260"></a> <span class="sourceLineNo">261</span> return provider;<a name="line.261"></a> <span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> provider = createProvider(getProviderClass(META_WAL_PROVIDER,<a name="line.263"></a> -<span class="sourceLineNo">264</span> conf.get(WAL_PROVIDER, DEFAULT_WAL_PROVIDER)));<a name="line.264"></a> -<span class="sourceLineNo">265</span> provider.init(this, conf, AbstractFSWALProvider.META_WAL_PROVIDER_ID);<a name="line.265"></a> -<span class="sourceLineNo">266</span> provider.addWALActionsListener(new MetricsWAL());<a name="line.266"></a> -<span class="sourceLineNo">267</span> if (metaProvider.compareAndSet(null, provider)) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> return provider;<a name="line.268"></a> -<span class="sourceLineNo">269</span> } else {<a name="line.269"></a> -<span class="sourceLineNo">270</span> // someone is ahead of us, close and try again.<a name="line.270"></a> -<span class="sourceLineNo">271</span> provider.close();<a name="line.271"></a> -<span class="sourceLineNo">272</span> }<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<a name="line.274"></a> -<span class="sourceLineNo">275</span><a name="line.275"></a> -<span class="sourceLineNo">276</span> /**<a name="line.276"></a> -<span class="sourceLineNo">277</span> * @param region the region which we want to get a WAL for it. Could be null.<a name="line.277"></a> -<span class="sourceLineNo">278</span> */<a name="line.278"></a> -<span class="sourceLineNo">279</span> public WAL getWAL(RegionInfo region) throws IOException {<a name="line.279"></a> -<span class="sourceLineNo">280</span> // use different WAL for hbase:meta<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (region != null && region.isMetaRegion() &&<a name="line.281"></a> -<span class="sourceLineNo">282</span> region.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.282"></a> -<span class="sourceLineNo">283</span> return getMetaProvider().getWAL(region);<a name="line.283"></a> -<span class="sourceLineNo">284</span> } else {<a name="line.284"></a> -<span class="sourceLineNo">285</span> return provider.getWAL(region);<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> }<a name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> public Reader createReader(final FileSystem fs, final Path path) throws IOException {<a name="line.289"></a> -<span class="sourceLineNo">290</span> return createReader(fs, path, (CancelableProgressable)null);<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span><a name="line.292"></a> -<span class="sourceLineNo">293</span> /**<a name="line.293"></a> -<span class="sourceLineNo">294</span> * Create a reader for the WAL. 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Close when done with it.<a name="line.297"></a> -<span class="sourceLineNo">298</span> * @throws IOException<a name="line.298"></a> -<span class="sourceLineNo">299</span> */<a name="line.299"></a> -<span class="sourceLineNo">300</span> public Reader createReader(final FileSystem fs, final Path path,<a name="line.300"></a> -<span class="sourceLineNo">301</span> CancelableProgressable reporter) throws IOException {<a name="line.301"></a> -<span class="sourceLineNo">302</span> return createReader(fs, path, reporter, true);<a name="line.302"></a> -<span class="sourceLineNo">303</span> }<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> public Reader createReader(final FileSystem fs, final Path path, CancelableProgressable reporter,<a name="line.305"></a> -<span class="sourceLineNo">306</span> boolean allowCustom) throws IOException {<a name="line.306"></a> -<span class="sourceLineNo">307</span> Class<? extends AbstractFSWALProvider.Reader> lrClass =<a name="line.307"></a> -<span class="sourceLineNo">308</span> allowCustom ? logReaderClass : ProtobufLogReader.class;<a name="line.308"></a> -<span class="sourceLineNo">309</span> try {<a name="line.309"></a> -<span class="sourceLineNo">310</span> // A wal file could be under recovery, so it may take several<a name="line.310"></a> -<span class="sourceLineNo">311</span> // tries to get it open. Instead of claiming it is corrupted, retry<a name="line.311"></a> -<span class="sourceLineNo">312</span> // to open it up to 5 minutes by default.<a name="line.312"></a> -<span class="sourceLineNo">313</span> long startWaiting = EnvironmentEdgeManager.currentTime();<a name="line.313"></a> -<span class="sourceLineNo">314</span> long openTimeout = timeoutMillis + startWaiting;<a name="line.314"></a> -<span class="sourceLineNo">315</span> int nbAttempt = 0;<a name="line.315"></a> -<span class="sourceLineNo">316</span> AbstractFSWALProvider.Reader reader = null;<a name="line.316"></a> -<span class="sourceLineNo">317</span> while (true) {<a name="line.317"></a> -<span class="sourceLineNo">318</span> try {<a name="line.318"></a> -<span class="sourceLineNo">319</span> reader = lrClass.getDeclaredConstructor().newInstance();<a name="line.319"></a> -<span class="sourceLineNo">320</span> reader.init(fs, path, conf, null);<a name="line.320"></a> -<span class="sourceLineNo">321</span> return reader;<a name="line.321"></a> -<span class="sourceLineNo">322</span> } catch (IOException e) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> if (reader != null) {<a name="line.323"></a> -<span class="sourceLineNo">324</span> try {<a name="line.324"></a> -<span class="sourceLineNo">325</span> reader.close();<a name="line.325"></a> -<span class="sourceLineNo">326</span> } catch (IOException exception) {<a name="line.326"></a> -<span class="sourceLineNo">327</span> LOG.warn("Could not close FSDataInputStream" + exception.getMessage());<a name="line.327"></a> -<span class="sourceLineNo">328</span> LOG.debug("exception details", exception);<a name="line.328"></a> -<span class="sourceLineNo">329</span> }<a name="line.329"></a> -<span class="sourceLineNo">330</span> }<a name="line.330"></a> -<span class="sourceLineNo">331</span><a name="line.331"></a> -<span class="sourceLineNo">332</span> String msg = e.getMessage();<a name="line.332"></a> -<span class="sourceLineNo">333</span> if (msg != null<a name="line.333"></a> -<span class="sourceLineNo">334</span> && (msg.contains("Cannot obtain block length")<a name="line.334"></a> -<span class="sourceLineNo">335</span> || msg.contains("Could not obtain the last block") || msg<a name="line.335"></a> -<span class="sourceLineNo">336</span> .matches("Blocklist for [^ ]* has changed.*"))) {<a name="line.336"></a> -<span class="sourceLineNo">337</span> if (++nbAttempt == 1) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> LOG.warn("Lease should have recovered. This is not expected. Will retry", e);<a name="line.338"></a> +<span class="sourceLineNo">263</span> Class<? extends WALProvider> clz = null;<a name="line.263"></a> +<span class="sourceLineNo">264</span> if (conf.get(META_WAL_PROVIDER) == null) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> try {<a name="line.265"></a> +<span class="sourceLineNo">266</span> clz = conf.getClass(WAL_PROVIDER, Providers.defaultProvider.clazz, WALProvider.class);<a name="line.266"></a> +<span class="sourceLineNo">267</span> } catch (Throwable t) {<a name="line.267"></a> +<span class="sourceLineNo">268</span> // the WAL provider should be an enum. 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Could be null.<a name="line.287"></a> +<span class="sourceLineNo">288</span> */<a name="line.288"></a> +<span class="sourceLineNo">289</span> public WAL getWAL(RegionInfo region) throws IOException {<a name="line.289"></a> +<span class="sourceLineNo">290</span> // use different WAL for hbase:meta<a name="line.290"></a> +<span class="sourceLineNo">291</span> if (region != null && region.isMetaRegion() &&<a name="line.291"></a> +<span class="sourceLineNo">292</span> region.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.292"></a> +<span class="sourceLineNo">293</span> return getMetaProvider().getWAL(region);<a name="line.293"></a> +<span class="sourceLineNo">294</span> } else {<a name="line.294"></a> +<span class="sourceLineNo">295</span> return provider.getWAL(region);<a name="line.295"></a> +<span class="sourceLineNo">296</span> }<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> public Reader createReader(final FileSystem fs, final Path path) throws IOException {<a name="line.299"></a> +<span class="sourceLineNo">300</span> return createReader(fs, path, (CancelableProgressable)null);<a name="line.300"></a> +<span class="sourceLineNo">301</span> }<a name="line.301"></a> +<span class="sourceLineNo">302</span><a name="line.302"></a> +<span class="sourceLineNo">303</span> /**<a name="line.303"></a> +<span class="sourceLineNo">304</span> * Create a reader for the WAL. 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Close when done with it.<a name="line.307"></a> +<span class="sourceLineNo">308</span> * @throws IOException<a name="line.308"></a> +<span class="sourceLineNo">309</span> */<a name="line.309"></a> +<span class="sourceLineNo">310</span> public Reader createReader(final FileSystem fs, final Path path,<a name="line.310"></a> +<span class="sourceLineNo">311</span> CancelableProgressable reporter) throws IOException {<a name="line.311"></a> +<span class="sourceLineNo">312</span> return createReader(fs, path, reporter, true);<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span><a name="line.314"></a> +<span class="sourceLineNo">315</span> public Reader createReader(final FileSystem fs, final Path path, CancelableProgressable reporter,<a name="line.315"></a> +<span class="sourceLineNo">316</span> boolean allowCustom) throws IOException {<a name="line.316"></a> +<span class="sourceLineNo">317</span> Class<? extends AbstractFSWALProvider.Reader> lrClass =<a name="line.317"></a> +<span class="sourceLineNo">318</span> allowCustom ? logReaderClass : ProtobufLogReader.class;<a name="line.318"></a> +<span class="sourceLineNo">319</span> try {<a name="line.319"></a> +<span class="sourceLineNo">320</span> // A wal file could be under recovery, so it may take several<a name="line.320"></a> +<span class="sourceLineNo">321</span> // tries to get it open. 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This is not expected. Will retry", e);<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> if (reporter != null && !reporter.progress()) {<a name="line.350"></a> +<span class="sourceLineNo">351</span> throw new InterruptedIOException("Operation is cancelled");<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span> if (nbAttempt > 2 && openTimeout < EnvironmentEdgeManager.currentTime()) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> LOG.error("Can't open after " + nbAttempt + " attempts and "<a name="line.354"></a> +<span class="sourceLineNo">355</span> + (EnvironmentEdgeManager.currentTime() - startWaiting) + "ms " + " for " + path);<a name="line.355"></a> +<span class="sourceLineNo">356</span> } else {<a name="line.356"></a> +<span class="sourceLineNo">357</span> try {<a name="line.357"></a> +<span class="sourceLineNo">358</span> Thread.sleep(nbAttempt < 3 ? 500 : 1000);<a name="line.358"></a> +<span class="sourceLineNo">359</span> continue; // retry<a name="line.359"></a> +<span class="sourceLineNo">360</span> } catch (InterruptedException ie) {<a name="line.360"></a> +<span class="sourceLineNo">361</span> InterruptedIOException iioe = new InterruptedIOException();<a name="line.361"></a> +<span class="sourceLineNo">362</span> iioe.initCause(ie);<a name="line.362"></a> +<span class="sourceLineNo">363</span> throw iioe;<a name="line.363"></a> +<span class="sourceLineNo">364</span> }<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span> throw new LeaseNotRecoveredException(e);<a name="line.366"></a> +<span class="sourceLineNo">367</span> } else {<a name="line.367"></a> +<span class="sourceLineNo">368</span> throw e;<a name="line.368"></a> +<span class="sourceLineNo">369</span> }<a name="line.369"></a> +<span class="sourceLineNo">370</span> }<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span> } catch (IOException ie) {<a name="line.372"></a> +<span class="sourceLineNo">373</span> throw ie;<a name="line.373"></a> +<span class="sourceLineNo">374</span> } catch (Exception e) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> throw new IOException("Cannot get log reader", e);<a name="line.375"></a> +<span class="sourceLineNo">376</span> }<a name="line.376"></a> +<span class="sourceLineNo">377</span> }<a name="line.377"></a> +<span class="sourceLineNo">378</span><a name="line.378"></a> +<span class="sourceLineNo">379</span> /**<a name="line.379"></a> +<span class="sourceLineNo">380</span> * Create a writer for the WAL.<a name="line.380"></a> +<span class="sourceLineNo">381</span> * Uses defaults.<a name="line.381"></a> +<span class="sourceLineNo">382</span> * <p><a name="line.382"></a> +<span class="sourceLineNo">383</span> * Should be package-private. public only for tests and<a name="line.383"></a> +<span class="sourceLineNo">384</span> * {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @return A WAL writer. Close when done with it.<a name="line.385"></a> +<span class="sourceLineNo">386</span> */<a name="line.386"></a> +<span class="sourceLineNo">387</span> public Writer createWALWriter(final FileSystem fs, final Path path) throws IOException {<a name="line.387"></a> +<span class="sourceLineNo">388</span> return FSHLogProvider.createWriter(conf, fs, path, false);<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span><a name="line.390"></a> +<span class="sourceLineNo">391</span> /**<a name="line.391"></a> +<span class="sourceLineNo">392</span> * Should be package-private, visible for recovery testing.<a name="line.392"></a> +<span class="sourceLineNo">393</span> * Uses defaults.<a name="line.393"></a> +<span class="sourceLineNo">394</span> * @return an overwritable writer for recovered edits. caller should close.<a name="line.394"></a> +<span class="sourceLineNo">395</span> */<a name="line.395"></a> +<span class="sourceLineNo">396</span> @VisibleForTesting<a name="line.396"></a> +<span class="sourceLineNo">397</span> public Writer createRecoveredEditsWriter(final FileSystem fs, final Path path)<a name="line.397"></a> +<span class="sourceLineNo">398</span> throws IOException {<a name="line.398"></a> +<span class="sourceLineNo">399</span> return FSHLogProvider.createWriter(conf, fs, path, true);<a name="line.399"></a> +<span class="sourceLineNo">400</span> }<a name="line.400"></a> +<span class="sourceLineNo">401</span><a name="line.401"></a> +<span class="sourceLineNo">402</span> // These static methods are currently used where it's impractical to<a name="line.402"></a> +<span class="sourceLineNo">403</span> // untangle the reliance on state in the filesystem. 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Practically this just impacts the reader/writer class<a name="line.405"></a> +<span class="sourceLineNo">406</span> private static final AtomicReference<WALFactory> singleton = new AtomicReference<>();<a name="line.406"></a> +<span class="sourceLineNo">407</span> private static final String SINGLETON_ID = WALFactory.class.getName();<a name="line.407"></a> +<span class="sourceLineNo">408</span> <a name="line.408"></a> +<span class="sourceLineNo">409</span> // Public only for FSHLog<a name="line.409"></a> +<span class="sourceLineNo">410</span> public static WALFactory getInstance(Configuration configuration) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> WALFactory factory = singleton.get();<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (null == factory) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> WALFactory temp = new WALFactory(configuration);<a name="line.413"></a> +<span class="sourceLineNo">414</span> if (singleton.compareAndSet(null, temp)) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> factory = temp;<a name="line.415"></a> +<span class="sourceLineNo">416</span> } else {<a name="line.416"></a> +<span class="sourceLineNo">417</span> // someone else beat us to initializing<a name="line.417"></a> +<span class="sourceLineNo">418</span> try {<a name="line.418"></a> +<span class="sourceLineNo">419</span> temp.close();<a name="line.419"></a> +<span class="sourceLineNo">420</span> } catch (IOException exception) {<a name="line.420"></a> +<span class="sourceLineNo">421</span> LOG.debug("failed to close temporary singleton. ignoring.", exception);<a name="line.421"></a> +<span class="sourceLineNo">422</span> }<a name="line.422"></a> +<span class="sourceLineNo">423</span> factory = singleton.get();<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> }<a name="line.425"></a> +<span class="sourceLineNo">426</span> return factory;<a name="line.426"></a> <span class="sourceLineNo">427</span> }<a name="line.427"></a> <span class="sourceLineNo">428</span><a name="line.428"></a> <span class="sourceLineNo">429</span> /**<a name="line.429"></a> @@ -439,53 +439,63 @@ <span class="sourceLineNo">431</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.431"></a> <span class="sourceLineNo">432</span> * @return a WAL Reader, caller must close.<a name="line.432"></a> <span class="sourceLineNo">433</span> */<a name="line.433"></a> -<span class="sourceLineNo">434</span> static Reader createReader(final FileSystem fs, final Path path,<a name="line.434"></a> -<span class="sourceLineNo">435</span> final Configuration configuration, final CancelableProgressable reporter) throws IOException {<a name="line.435"></a> -<span class="sourceLineNo">436</span> return getInstance(configuration).createReader(fs, path, reporter);<a name="line.436"></a> +<span class="sourceLineNo">434</span> public static Reader createReader(final FileSystem fs, final Path path,<a name="line.434"></a> +<span class="sourceLineNo">435</span> final Configuration configuration) throws IOException {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return getInstance(configuration).createReader(fs, path);<a name="line.436"></a> <span class="sourceLineNo">437</span> }<a name="line.437"></a> <span class="sourceLineNo">438</span><a name="line.438"></a> <span class="sourceLineNo">439</span> /**<a name="line.439"></a> -<span class="sourceLineNo">440</span> * Create a reader for the given path, ignore custom reader classes from conf.<a name="line.440"></a> +<span class="sourceLineNo">440</span> * Create a reader for the given path, accept custom reader classes from conf.<a name="line.440"></a> <span class="sourceLineNo">441</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.441"></a> -<span class="sourceLineNo">442</span> * only public pending move of {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.442"></a> -<span class="sourceLineNo">443</span> * @return a WAL Reader, caller must close.<a name="line.443"></a> -<span class="sourceLineNo">444</span> */<a name="line.444"></a> -<span class="sourceLineNo">445</span> public static Reader createReaderIgnoreCustomClass(final FileSystem fs, final Path path,<a name="line.445"></a> -<span class="sourceLineNo">446</span> final Configuration configuration) throws IOException {<a name="line.446"></a> -<span class="sourceLineNo">447</span> return getInstance(configuration).createReader(fs, path, null, false);<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span><a name="line.449"></a> -<span class="sourceLineNo">450</span> /**<a name="line.450"></a> +<span class="sourceLineNo">442</span> * @return a WAL Reader, caller must close.<a name="line.442"></a> +<span class="sourceLineNo">443</span> */<a name="line.443"></a> +<span class="sourceLineNo">444</span> static Reader createReader(final FileSystem fs, final Path path,<a name="line.444"></a> +<span class="sourceLineNo">445</span> final Configuration configuration, final CancelableProgressable reporter) throws IOException {<a name="line.445"></a> +<span class="sourceLineNo">446</span> return getInstance(configuration).createReader(fs, path, reporter);<a name="line.446"></a> +<span class="sourceLineNo">447</span> }<a name="line.447"></a> +<span class="sourceLineNo">448</span><a name="line.448"></a> +<span class="sourceLineNo">449</span> /**<a name="line.449"></a> +<span class="sourceLineNo">450</span> * Create a reader for the given path, ignore custom reader classes from conf.<a name="line.450"></a> <span class="sourceLineNo">451</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.451"></a> -<span class="sourceLineNo">452</span> * Uses defaults.<a name="line.452"></a> -<span class="sourceLineNo">453</span> * @return a Writer that will overwrite files. Caller must close.<a name="line.453"></a> +<span class="sourceLineNo">452</span> * only public pending move of {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.452"></a> +<span class="sourceLineNo">453</span> * @return a WAL Reader, caller must close.<a name="line.453"></a> <span class="sourceLineNo">454</span> */<a name="line.454"></a> -<span class="sourceLineNo">455</span> static Writer createRecoveredEditsWriter(final FileSystem fs, final Path path,<a name="line.455"></a> -<span class="sourceLineNo">456</span> final Configuration configuration)<a name="line.456"></a> -<span class="sourceLineNo">457</span> throws IOException {<a name="line.457"></a> -<span class="sourceLineNo">458</span> return FSHLogProvider.createWriter(configuration, fs, path, true);<a name="line.458"></a> -<span class="sourceLineNo">459</span> }<a name="line.459"></a> -<span class="sourceLineNo">460</span><a name="line.460"></a> -<span class="sourceLineNo">461</span> /**<a name="line.461"></a> -<span class="sourceLineNo">462</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.462"></a> -<span class="sourceLineNo">463</span> * Uses defaults.<a name="line.463"></a> -<span class="sourceLineNo">464</span> * @return a writer that won't overwrite files. Caller must close.<a name="line.464"></a> -<span class="sourceLineNo">465</span> */<a name="line.465"></a> -<span class="sourceLineNo">466</span> @VisibleForTesting<a name="line.466"></a> -<span class="sourceLineNo">467</span> public static Writer createWALWriter(final FileSystem fs, final Path path,<a name="line.467"></a> -<span class="sourceLineNo">468</span> final Configuration configuration)<a name="line.468"></a> -<span class="sourceLineNo">469</span> throws IOException {<a name="line.469"></a> -<span class="sourceLineNo">470</span> return FSHLogProvider.createWriter(configuration, fs, path, false);<a name="line.470"></a> -<span class="sourceLineNo">471</span> }<a name="line.471"></a> -<span class="sourceLineNo">472</span><a name="line.472"></a> -<span class="sourceLineNo">473</span> public final WALProvider getWALProvider() {<a name="line.473"></a> -<span class="sourceLineNo">474</span> return this.provider;<a name="line.474"></a> -<span class="sourceLineNo">475</span> }<a name="line.475"></a> -<span class="sourceLineNo">476</span><a name="line.476"></a> -<span class="sourceLineNo">477</span> public final WALProvider getMetaWALProvider() {<a name="line.477"></a> -<span class="sourceLineNo">478</span> return this.metaProvider.get();<a name="line.478"></a> -<span class="sourceLineNo">479</span> }<a name="line.479"></a> -<span class="sourceLineNo">480</span>}<a name="line.480"></a> +<span class="sourceLineNo">455</span> public static Reader createReaderIgnoreCustomClass(final FileSystem fs, final Path path,<a name="line.455"></a> +<span class="sourceLineNo">456</span> final Configuration configuration) throws IOException {<a name="line.456"></a> +<span class="sourceLineNo">457</span> return getInstance(configuration).createReader(fs, path, null, false);<a name="line.457"></a> +<span class="sourceLineNo">458</span> }<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> /**<a name="line.460"></a> +<span class="sourceLineNo">461</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.461"></a> +<span class="sourceLineNo">462</span> * Uses defaults.<a name="line.462"></a> +<span class="sourceLineNo">463</span> * @return a Writer that will overwrite files. Caller must close.<a name="line.463"></a> +<span class="sourceLineNo">464</span> */<a name="line.464"></a> +<span class="sourceLineNo">465</span> static Writer createRecoveredEditsWriter(final FileSystem fs, final Path path,<a name="line.465"></a> +<span class="sourceLineNo">466</span> final Configuration configuration)<a name="line.466"></a> +<span class="sourceLineNo">467</span> throws IOException {<a name="line.467"></a> +<span class="sourceLineNo">468</span> return FSHLogProvider.createWriter(configuration, fs, path, true);<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> /**<a name="line.471"></a> +<span class="sourceLineNo">472</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.472"></a> +<span class="sourceLineNo">473</span> * Uses defaults.<a name="line.473"></a> +<span class="sourceLineNo">474</span> * @return a writer that won't overwrite files. Caller must close.<a name="line.474"></a> +<span class="sourceLineNo">475</span> */<a name="line.475"></a> +<span class="sourceLineNo">476</span> @VisibleForTesting<a name="line.476"></a> +<span class="sourceLineNo">477</span> public static Writer createWALWriter(final FileSystem fs, final Path path,<a name="line.477"></a> +<span class="sourceLineNo">478</span> final Configuration configuration)<a name="line.478"></a> +<span class="sourceLineNo">479</span> throws IOException {<a name="line.479"></a> +<span class="sourceLineNo">480</span> return FSHLogProvider.createWriter(configuration, fs, path, false);<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span><a name="line.482"></a> +<span class="sourceLineNo">483</span> public final WALProvider getWALProvider() {<a name="line.483"></a> +<span class="sourceLineNo">484</span> return this.provider;<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> public final WALProvider getMetaWALProvider() {<a name="line.487"></a> +<span class="sourceLineNo">488</span> return this.metaProvider.get();<a name="line.488"></a> +<span class="sourceLineNo">489</span> }<a name="line.489"></a> +<span class="sourceLineNo">490</span>}<a name="line.490"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/bd4d10ee/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html index 92967f2..a20bd89 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALFactory.html @@ -268,170 +268,170 @@ <span class="sourceLineNo">260</span> if (provider != null) {<a name="line.260"></a> <span class="sourceLineNo">261</span> return provider;<a name="line.261"></a> <span class="sourceLineNo">262</span> }<a name="line.262"></a> -<span class="sourceLineNo">263</span> provider = createProvider(getProviderClass(META_WAL_PROVIDER,<a name="line.263"></a> -<span class="sourceLineNo">264</span> conf.get(WAL_PROVIDER, DEFAULT_WAL_PROVIDER)));<a name="line.264"></a> -<span class="sourceLineNo">265</span> provider.init(this, conf, AbstractFSWALProvider.META_WAL_PROVIDER_ID);<a name="line.265"></a> -<span class="sourceLineNo">266</span> provider.addWALActionsListener(new MetricsWAL());<a name="line.266"></a> -<span class="sourceLineNo">267</span> if (metaProvider.compareAndSet(null, provider)) {<a name="line.267"></a> -<span class="sourceLineNo">268</span> return provider;<a name="line.268"></a> -<span class="sourceLineNo">269</span> } else {<a name="line.269"></a> -<span class="sourceLineNo">270</span> // someone is ahead of us, close and try again.<a name="line.270"></a> -<span class="sourceLineNo">271</span> provider.close();<a name="line.271"></a> -<span class="sourceLineNo">272</span> }<a name="line.272"></a> -<span class="sourceLineNo">273</span> }<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<a name="line.274"></a> -<span class="sourceLineNo">275</span><a name="line.275"></a> -<span class="sourceLineNo">276</span> /**<a name="line.276"></a> -<span class="sourceLineNo">277</span> * @param region the region which we want to get a WAL for it. Could be null.<a name="line.277"></a> -<span class="sourceLineNo">278</span> */<a name="line.278"></a> -<span class="sourceLineNo">279</span> public WAL getWAL(RegionInfo region) throws IOException {<a name="line.279"></a> -<span class="sourceLineNo">280</span> // use different WAL for hbase:meta<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (region != null && region.isMetaRegion() &&<a name="line.281"></a> -<span class="sourceLineNo">282</span> region.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.282"></a> -<span class="sourceLineNo">283</span> return getMetaProvider().getWAL(region);<a name="line.283"></a> -<span class="sourceLineNo">284</span> } else {<a name="line.284"></a> -<span class="sourceLineNo">285</span> return provider.getWAL(region);<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> }<a name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> public Reader createReader(final FileSystem fs, final Path path) throws IOException {<a name="line.289"></a> -<span class="sourceLineNo">290</span> return createReader(fs, path, (CancelableProgressable)null);<a name="line.290"></a> -<span class="sourceLineNo">291</span> }<a name="line.291"></a> -<span class="sourceLineNo">292</span><a name="line.292"></a> -<span class="sourceLineNo">293</span> /**<a name="line.293"></a> -<span class="sourceLineNo">294</span> * Create a reader for the WAL. If you are reading from a file that's being written to and need<a name="line.294"></a> -<span class="sourceLineNo">295</span> * to reopen it multiple times, use {@link WAL.Reader#reset()} instead of this method<a name="line.295"></a> -<span class="sourceLineNo">296</span> * then just seek back to the last known good position.<a name="line.296"></a> -<span class="sourceLineNo">297</span> * @return A WAL reader. Close when done with it.<a name="line.297"></a> -<span class="sourceLineNo">298</span> * @throws IOException<a name="line.298"></a> -<span class="sourceLineNo">299</span> */<a name="line.299"></a> -<span class="sourceLineNo">300</span> public Reader createReader(final FileSystem fs, final Path path,<a name="line.300"></a> -<span class="sourceLineNo">301</span> CancelableProgressable reporter) throws IOException {<a name="line.301"></a> -<span class="sourceLineNo">302</span> return createReader(fs, path, reporter, true);<a name="line.302"></a> -<span class="sourceLineNo">303</span> }<a name="line.303"></a> -<span class="sourceLineNo">304</span><a name="line.304"></a> -<span class="sourceLineNo">305</span> public Reader createReader(final FileSystem fs, final Path path, CancelableProgressable reporter,<a name="line.305"></a> -<span class="sourceLineNo">306</span> boolean allowCustom) throws IOException {<a name="line.306"></a> -<span class="sourceLineNo">307</span> Class<? extends AbstractFSWALProvider.Reader> lrClass =<a name="line.307"></a> -<span class="sourceLineNo">308</span> allowCustom ? logReaderClass : ProtobufLogReader.class;<a name="line.308"></a> -<span class="sourceLineNo">309</span> try {<a name="line.309"></a> -<span class="sourceLineNo">310</span> // A wal file could be under recovery, so it may take several<a name="line.310"></a> -<span class="sourceLineNo">311</span> // tries to get it open. 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This is not expected. Will retry", e);<a name="line.338"></a> +<span class="sourceLineNo">263</span> Class<? extends WALProvider> clz = null;<a name="line.263"></a> +<span class="sourceLineNo">264</span> if (conf.get(META_WAL_PROVIDER) == null) {<a name="line.264"></a> +<span class="sourceLineNo">265</span> try {<a name="line.265"></a> +<span class="sourceLineNo">266</span> clz = conf.getClass(WAL_PROVIDER, Providers.defaultProvider.clazz, WALProvider.class);<a name="line.266"></a> +<span class="sourceLineNo">267</span> } catch (Throwable t) {<a name="line.267"></a> +<span class="sourceLineNo">268</span> // the WAL provider should be an enum. Proceed<a name="line.268"></a> +<span class="sourceLineNo">269</span> }<a name="line.269"></a> +<span class="sourceLineNo">270</span> } <a name="line.270"></a> +<span class="sourceLineNo">271</span> if (clz == null){<a name="line.271"></a> +<span class="sourceLineNo">272</span> clz = getProviderClass(META_WAL_PROVIDER, conf.get(WAL_PROVIDER, DEFAULT_WAL_PROVIDER));<a name="line.272"></a> +<span class="sourceLineNo">273</span> }<a name="line.273"></a> +<span class="sourceLineNo">274</span> provider = createProvider(clz);<a name="line.274"></a> +<span class="sourceLineNo">275</span> provider.init(this, conf, AbstractFSWALProvider.META_WAL_PROVIDER_ID);<a name="line.275"></a> +<span class="sourceLineNo">276</span> provider.addWALActionsListener(new MetricsWAL());<a name="line.276"></a> +<span class="sourceLineNo">277</span> if (metaProvider.compareAndSet(null, provider)) {<a name="line.277"></a> +<span class="sourceLineNo">278</span> return provider;<a name="line.278"></a> +<span class="sourceLineNo">279</span> } else {<a name="line.279"></a> +<span class="sourceLineNo">280</span> // someone is ahead of us, close and try again.<a name="line.280"></a> +<span class="sourceLineNo">281</span> provider.close();<a name="line.281"></a> +<span class="sourceLineNo">282</span> }<a name="line.282"></a> +<span class="sourceLineNo">283</span> }<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span><a name="line.285"></a> +<span class="sourceLineNo">286</span> /**<a name="line.286"></a> +<span class="sourceLineNo">287</span> * @param region the region which we want to get a WAL for it. Could be null.<a name="line.287"></a> +<span class="sourceLineNo">288</span> */<a name="line.288"></a> +<span class="sourceLineNo">289</span> public WAL getWAL(RegionInfo region) throws IOException {<a name="line.289"></a> +<span class="sourceLineNo">290</span> // use different WAL for hbase:meta<a name="line.290"></a> +<span class="sourceLineNo">291</span> if (region != null && region.isMetaRegion() &&<a name="line.291"></a> +<span class="sourceLineNo">292</span> region.getReplicaId() == RegionInfo.DEFAULT_REPLICA_ID) {<a name="line.292"></a> +<span class="sourceLineNo">293</span> return getMetaProvider().getWAL(region);<a name="line.293"></a> +<span class="sourceLineNo">294</span> } else {<a name="line.294"></a> +<span class="sourceLineNo">295</span> return provider.getWAL(region);<a name="line.295"></a> +<span class="sourceLineNo">296</span> }<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> public Reader createReader(final FileSystem fs, final Path path) throws IOException {<a name="line.299"></a> +<span class="sourceLineNo">300</span> return createReader(fs, path, (CancelableProgressable)null);<a name="line.300"></a> +<span class="sourceLineNo">301</span> }<a name="line.301"></a> +<span class="sourceLineNo">302</span><a name="line.302"></a> +<span class="sourceLineNo">303</span> /**<a name="line.303"></a> +<span class="sourceLineNo">304</span> * Create a reader for the WAL. 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This is not expected. Will retry", e);<a name="line.348"></a> +<span class="sourceLineNo">349</span> }<a name="line.349"></a> +<span class="sourceLineNo">350</span> if (reporter != null && !reporter.progress()) {<a name="line.350"></a> +<span class="sourceLineNo">351</span> throw new InterruptedIOException("Operation is cancelled");<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span> if (nbAttempt > 2 && openTimeout < EnvironmentEdgeManager.currentTime()) {<a name="line.353"></a> +<span class="sourceLineNo">354</span> LOG.error("Can't open after " + nbAttempt + " attempts and "<a name="line.354"></a> +<span class="sourceLineNo">355</span> + (EnvironmentEdgeManager.currentTime() - startWaiting) + "ms " + " for " + path);<a name="line.355"></a> +<span class="sourceLineNo">356</span> } else {<a name="line.356"></a> +<span class="sourceLineNo">357</span> try {<a name="line.357"></a> +<span class="sourceLineNo">358</span> Thread.sleep(nbAttempt < 3 ? 500 : 1000);<a name="line.358"></a> +<span class="sourceLineNo">359</span> continue; // retry<a name="line.359"></a> +<span class="sourceLineNo">360</span> } catch (InterruptedException ie) {<a name="line.360"></a> +<span class="sourceLineNo">361</span> InterruptedIOException iioe = new InterruptedIOException();<a name="line.361"></a> +<span class="sourceLineNo">362</span> iioe.initCause(ie);<a name="line.362"></a> +<span class="sourceLineNo">363</span> throw iioe;<a name="line.363"></a> +<span class="sourceLineNo">364</span> }<a name="line.364"></a> +<span class="sourceLineNo">365</span> }<a name="line.365"></a> +<span class="sourceLineNo">366</span> throw new LeaseNotRecoveredException(e);<a name="line.366"></a> +<span class="sourceLineNo">367</span> } else {<a name="line.367"></a> +<span class="sourceLineNo">368</span> throw e;<a name="line.368"></a> +<span class="sourceLineNo">369</span> }<a name="line.369"></a> +<span class="sourceLineNo">370</span> }<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span> } catch (IOException ie) {<a name="line.372"></a> +<span class="sourceLineNo">373</span> throw ie;<a name="line.373"></a> +<span class="sourceLineNo">374</span> } catch (Exception e) {<a name="line.374"></a> +<span class="sourceLineNo">375</span> throw new IOException("Cannot get log reader", e);<a name="line.375"></a> +<span class="sourceLineNo">376</span> }<a name="line.376"></a> +<span class="sourceLineNo">377</span> }<a name="line.377"></a> +<span class="sourceLineNo">378</span><a name="line.378"></a> +<span class="sourceLineNo">379</span> /**<a name="line.379"></a> +<span class="sourceLineNo">380</span> * Create a writer for the WAL.<a name="line.380"></a> +<span class="sourceLineNo">381</span> * Uses defaults.<a name="line.381"></a> +<span class="sourceLineNo">382</span> * <p><a name="line.382"></a> +<span class="sourceLineNo">383</span> * Should be package-private. public only for tests and<a name="line.383"></a> +<span class="sourceLineNo">384</span> * {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @return A WAL writer. Close when done with it.<a name="line.385"></a> +<span class="sourceLineNo">386</span> */<a name="line.386"></a> +<span class="sourceLineNo">387</span> public Writer createWALWriter(final FileSystem fs, final Path path) throws IOException {<a name="line.387"></a> +<span class="sourceLineNo">388</span> return FSHLogProvider.createWriter(conf, fs, path, false);<a name="line.388"></a> +<span class="sourceLineNo">389</span> }<a name="line.389"></a> +<span class="sourceLineNo">390</span><a name="line.390"></a> +<span class="sourceLineNo">391</span> /**<a name="line.391"></a> +<span class="sourceLineNo">392</span> * Should be package-private, visible for recovery testing.<a name="line.392"></a> +<span class="sourceLineNo">393</span> * Uses defaults.<a name="line.393"></a> +<span class="sourceLineNo">394</span> * @return an overwritable writer for recovered edits. caller should close.<a name="line.394"></a> +<span class="sourceLineNo">395</span> */<a name="line.395"></a> +<span class="sourceLineNo">396</span> @VisibleForTesting<a name="line.396"></a> +<span class="sourceLineNo">397</span> public Writer createRecoveredEditsWriter(final FileSystem fs, final Path path)<a name="line.397"></a> +<span class="sourceLineNo">398</span> throws IOException {<a name="line.398"></a> +<span class="sourceLineNo">399</span> return FSHLogProvider.createWriter(conf, fs, path, true);<a name="line.399"></a> +<span class="sourceLineNo">400</span> }<a name="line.400"></a> +<span class="sourceLineNo">401</span><a name="line.401"></a> +<span class="sourceLineNo">402</span> // These static methods are currently used where it's impractical to<a name="line.402"></a> +<span class="sourceLineNo">403</span> // untangle the reliance on state in the filesystem. They rely on singleton<a name="line.403"></a> +<span class="sourceLineNo">404</span> // WALFactory that just provides Reader / Writers.<a name="line.404"></a> +<span class="sourceLineNo">405</span> // For now, first Configuration object wins. Practically this just impacts the reader/writer class<a name="line.405"></a> +<span class="sourceLineNo">406</span> private static final AtomicReference<WALFactory> singleton = new AtomicReference<>();<a name="line.406"></a> +<span class="sourceLineNo">407</span> private static final String SINGLETON_ID = WALFactory.class.getName();<a name="line.407"></a> +<span class="sourceLineNo">408</span> <a name="line.408"></a> +<span class="sourceLineNo">409</span> // Public only for FSHLog<a name="line.409"></a> +<span class="sourceLineNo">410</span> public static WALFactory getInstance(Configuration configuration) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> WALFactory factory = singleton.get();<a name="line.411"></a> +<span class="sourceLineNo">412</span> if (null == factory) {<a name="line.412"></a> +<span class="sourceLineNo">413</span> WALFactory temp = new WALFactory(configuration);<a name="line.413"></a> +<span class="sourceLineNo">414</span> if (singleton.compareAndSet(null, temp)) {<a name="line.414"></a> +<span class="sourceLineNo">415</span> factory = temp;<a name="line.415"></a> +<span class="sourceLineNo">416</span> } else {<a name="line.416"></a> +<span class="sourceLineNo">417</span> // someone else beat us to initializing<a name="line.417"></a> +<span class="sourceLineNo">418</span> try {<a name="line.418"></a> +<span class="sourceLineNo">419</span> temp.close();<a name="line.419"></a> +<span class="sourceLineNo">420</span> } catch (IOException exception) {<a name="line.420"></a> +<span class="sourceLineNo">421</span> LOG.debug("failed to close temporary singleton. ignoring.", exception);<a name="line.421"></a> +<span class="sourceLineNo">422</span> }<a name="line.422"></a> +<span class="sourceLineNo">423</span> factory = singleton.get();<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> }<a name="line.425"></a> +<span class="sourceLineNo">426</span> return factory;<a name="line.426"></a> <span class="sourceLineNo">427</span> }<a name="line.427"></a> <span class="sourceLineNo">428</span><a name="line.428"></a> <span class="sourceLineNo">429</span> /**<a name="line.429"></a> @@ -439,53 +439,63 @@ <span class="sourceLineNo">431</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.431"></a> <span class="sourceLineNo">432</span> * @return a WAL Reader, caller must close.<a name="line.432"></a> <span class="sourceLineNo">433</span> */<a name="line.433"></a> -<span class="sourceLineNo">434</span> static Reader createReader(final FileSystem fs, final Path path,<a name="line.434"></a> -<span class="sourceLineNo">435</span> final Configuration configuration, final CancelableProgressable reporter) throws IOException {<a name="line.435"></a> -<span class="sourceLineNo">436</span> return getInstance(configuration).createReader(fs, path, reporter);<a name="line.436"></a> +<span class="sourceLineNo">434</span> public static Reader createReader(final FileSystem fs, final Path path,<a name="line.434"></a> +<span class="sourceLineNo">435</span> final Configuration configuration) throws IOException {<a name="line.435"></a> +<span class="sourceLineNo">436</span> return getInstance(configuration).createReader(fs, path);<a name="line.436"></a> <span class="sourceLineNo">437</span> }<a name="line.437"></a> <span class="sourceLineNo">438</span><a name="line.438"></a> <span class="sourceLineNo">439</span> /**<a name="line.439"></a> -<span class="sourceLineNo">440</span> * Create a reader for the given path, ignore custom reader classes from conf.<a name="line.440"></a> +<span class="sourceLineNo">440</span> * Create a reader for the given path, accept custom reader classes from conf.<a name="line.440"></a> <span class="sourceLineNo">441</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.441"></a> -<span class="sourceLineNo">442</span> * only public pending move of {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.442"></a> -<span class="sourceLineNo">443</span> * @return a WAL Reader, caller must close.<a name="line.443"></a> -<span class="sourceLineNo">444</span> */<a name="line.444"></a> -<span class="sourceLineNo">445</span> public static Reader createReaderIgnoreCustomClass(final FileSystem fs, final Path path,<a name="line.445"></a> -<span class="sourceLineNo">446</span> final Configuration configuration) throws IOException {<a name="line.446"></a> -<span class="sourceLineNo">447</span> return getInstance(configuration).createReader(fs, path, null, false);<a name="line.447"></a> -<span class="sourceLineNo">448</span> }<a name="line.448"></a> -<span class="sourceLineNo">449</span><a name="line.449"></a> -<span class="sourceLineNo">450</span> /**<a name="line.450"></a> +<span class="sourceLineNo">442</span> * @return a WAL Reader, caller must close.<a name="line.442"></a> +<span class="sourceLineNo">443</span> */<a name="line.443"></a> +<span class="sourceLineNo">444</span> static Reader createReader(final FileSystem fs, final Path path,<a name="line.444"></a> +<span class="sourceLineNo">445</span> final Configuration configuration, final CancelableProgressable reporter) throws IOException {<a name="line.445"></a> +<span class="sourceLineNo">446</span> return getInstance(configuration).createReader(fs, path, reporter);<a name="line.446"></a> +<span class="sourceLineNo">447</span> }<a name="line.447"></a> +<span class="sourceLineNo">448</span><a name="line.448"></a> +<span class="sourceLineNo">449</span> /**<a name="line.449"></a> +<span class="sourceLineNo">450</span> * Create a reader for the given path, ignore custom reader classes from conf.<a name="line.450"></a> <span class="sourceLineNo">451</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.451"></a> -<span class="sourceLineNo">452</span> * Uses defaults.<a name="line.452"></a> -<span class="sourceLineNo">453</span> * @return a Writer that will overwrite files. Caller must close.<a name="line.453"></a> +<span class="sourceLineNo">452</span> * only public pending move of {@link org.apache.hadoop.hbase.regionserver.wal.Compressor}<a name="line.452"></a> +<span class="sourceLineNo">453</span> * @return a WAL Reader, caller must close.<a name="line.453"></a> <span class="sourceLineNo">454</span> */<a name="line.454"></a> -<span class="sourceLineNo">455</span> static Writer createRecoveredEditsWriter(final FileSystem fs, final Path path,<a name="line.455"></a> -<span class="sourceLineNo">456</span> final Configuration configuration)<a name="line.456"></a> -<span class="sourceLineNo">457</span> throws IOException {<a name="line.457"></a> -<span class="sourceLineNo">458</span> return FSHLogProvider.createWriter(configuration, fs, path, true);<a name="line.458"></a> -<span class="sourceLineNo">459</span> }<a name="line.459"></a> -<span class="sourceLineNo">460</span><a name="line.460"></a> -<span class="sourceLineNo">461</span> /**<a name="line.461"></a> -<span class="sourceLineNo">462</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.462"></a> -<span class="sourceLineNo">463</span> * Uses defaults.<a name="line.463"></a> -<span class="sourceLineNo">464</span> * @return a writer that won't overwrite files. Caller must close.<a name="line.464"></a> -<span class="sourceLineNo">465</span> */<a name="line.465"></a> -<span class="sourceLineNo">466</span> @VisibleForTesting<a name="line.466"></a> -<span class="sourceLineNo">467</span> public static Writer createWALWriter(final FileSystem fs, final Path path,<a name="line.467"></a> -<span class="sourceLineNo">468</span> final Configuration configuration)<a name="line.468"></a> -<span class="sourceLineNo">469</span> throws IOException {<a name="line.469"></a> -<span class="sourceLineNo">470</span> return FSHLogProvider.createWriter(configuration, fs, path, false);<a name="line.470"></a> -<span class="sourceLineNo">471</span> }<a name="line.471"></a> -<span class="sourceLineNo">472</span><a name="line.472"></a> -<span class="sourceLineNo">473</span> public final WALProvider getWALProvider() {<a name="line.473"></a> -<span class="sourceLineNo">474</span> return this.provider;<a name="line.474"></a> -<span class="sourceLineNo">475</span> }<a name="line.475"></a> -<span class="sourceLineNo">476</span><a name="line.476"></a> -<span class="sourceLineNo">477</span> public final WALProvider getMetaWALProvider() {<a name="line.477"></a> -<span class="sourceLineNo">478</span> return this.metaProvider.get();<a name="line.478"></a> -<span class="sourceLineNo">479</span> }<a name="line.479"></a> -<span class="sourceLineNo">480</span>}<a name="line.480"></a> +<span class="sourceLineNo">455</span> public static Reader createReaderIgnoreCustomClass(final FileSystem fs, final Path path,<a name="line.455"></a> +<span class="sourceLineNo">456</span> final Configuration configuration) throws IOException {<a name="line.456"></a> +<span class="sourceLineNo">457</span> return getInstance(configuration).createReader(fs, path, null, false);<a name="line.457"></a> +<span class="sourceLineNo">458</span> }<a name="line.458"></a> +<span class="sourceLineNo">459</span><a name="line.459"></a> +<span class="sourceLineNo">460</span> /**<a name="line.460"></a> +<span class="sourceLineNo">461</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.461"></a> +<span class="sourceLineNo">462</span> * Uses defaults.<a name="line.462"></a> +<span class="sourceLineNo">463</span> * @return a Writer that will overwrite files. Caller must close.<a name="line.463"></a> +<span class="sourceLineNo">464</span> */<a name="line.464"></a> +<span class="sourceLineNo">465</span> static Writer createRecoveredEditsWriter(final FileSystem fs, final Path path,<a name="line.465"></a> +<span class="sourceLineNo">466</span> final Configuration configuration)<a name="line.466"></a> +<span class="sourceLineNo">467</span> throws IOException {<a name="line.467"></a> +<span class="sourceLineNo">468</span> return FSHLogProvider.createWriter(configuration, fs, path, true);<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> /**<a name="line.471"></a> +<span class="sourceLineNo">472</span> * If you already have a WALFactory, you should favor the instance method.<a name="line.472"></a> +<span class="sourceLineNo">473</span> * Uses defaults.<a name="line.473"></a> +<span class="sourceLineNo">474</span> * @return a writer that won't overwrite files. Caller must close.<a name="line.474"></a> +<span class="sourceLineNo">475</span> */<a name="line.475"></a> +<span class="sourceLineNo">476</span> @VisibleForTesting<a name="line.476"></a> +<span class="sourceLineNo">477</span> public static Writer createWALWriter(final FileSystem fs, final Path path,<a name="line.477"></a> +<span class="sourceLineNo">478</span> final Configuration configuration)<a name="line.478"></a> +<span class="sourceLineNo">479</span> throws IOException {<a name="line.479"></a> +<span class="sourceLineNo">480</span> return FSHLogProvider.createWriter(configuration, fs, path, false);<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span><a name="line.482"></a> +<span class="sourceLineNo">483</span> public final WALProvider getWALProvider() {<a name="line.483"></a> +<span class="sourceLineNo">484</span> return this.provider;<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> public final WALProvider getMetaWALProvider() {<a name="line.487"></a> +<span class="sourceLineNo">488</span> return this.metaProvider.get();<a name="line.488"></a> +<span class="sourceLineNo">489</span> }<a name="line.489"></a> +<span class="sourceLineNo">490</span>}<a name="line.490"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/bd4d10ee/downloads.html ---------------------------------------------------------------------- diff --git a/downloads.html b/downloads.html index 423eb47..4e0f681 100644 --- a/downloads.html +++ b/downloads.html @@ -7,7 +7,7 @@ <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> - <meta name="Date-Revision-yyyymmdd" content="20181105" /> + <meta name="Date-Revision-yyyymmdd" content="20181106" /> <meta http-equiv="Content-Language" content="en" /> <title>Apache HBase – Apache HBase Downloads</title> <link rel="stylesheet" href="./css/apache-maven-fluido-1.4-HBase.min.css" /> @@ -461,7 +461,7 @@ under the License. --> <a href="https://www.apache.org/";>The Apache Software Foundation</a>. All rights reserved. - <li id="publishDate" class="pull-right">Last Published: 2018-11-05</li> + <li id="publishDate" class="pull-right">Last Published: 2018-11-06</li> </p> </div>
