http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f183e80f/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html ---------------------------------------------------------------------- diff --git a/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html b/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html index b39e25e..a34364c 100644 --- a/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html +++ b/testapidocs/src-html/org/apache/hadoop/hbase/HBaseTestingUtility.html @@ -2318,1804 +2318,1803 @@ <span class="sourceLineNo">2310</span> Configuration confForWAL = new Configuration(conf);<a name="line.2310"></a> <span class="sourceLineNo">2311</span> confForWAL.set(HConstants.HBASE_DIR, rootDir.toString());<a name="line.2311"></a> <span class="sourceLineNo">2312</span> return (new WALFactory(confForWAL,<a name="line.2312"></a> -<span class="sourceLineNo">2313</span> Collections.<WALActionsListener>singletonList(new MetricsWAL()),<a name="line.2313"></a> -<span class="sourceLineNo">2314</span> "hregion-" + RandomStringUtils.randomNumeric(8))).<a name="line.2314"></a> -<span class="sourceLineNo">2315</span> getWAL(hri.getEncodedNameAsBytes(), hri.getTable().getNamespace());<a name="line.2315"></a> -<span class="sourceLineNo">2316</span> }<a name="line.2316"></a> -<span class="sourceLineNo">2317</span><a name="line.2317"></a> -<span class="sourceLineNo">2318</span> /**<a name="line.2318"></a> -<span class="sourceLineNo">2319</span> * Create a region with it's own WAL. Be sure to call<a name="line.2319"></a> -<span class="sourceLineNo">2320</span> * {@link HBaseTestingUtility#closeRegionAndWAL(HRegion)} to clean up all resources.<a name="line.2320"></a> -<span class="sourceLineNo">2321</span> */<a name="line.2321"></a> -<span class="sourceLineNo">2322</span> public static HRegion createRegionAndWAL(final RegionInfo info, final Path rootDir,<a name="line.2322"></a> -<span class="sourceLineNo">2323</span> final Configuration conf, final TableDescriptor htd) throws IOException {<a name="line.2323"></a> -<span class="sourceLineNo">2324</span> return createRegionAndWAL(info, rootDir, conf, htd, true);<a name="line.2324"></a> -<span class="sourceLineNo">2325</span> }<a name="line.2325"></a> -<span class="sourceLineNo">2326</span><a name="line.2326"></a> -<span class="sourceLineNo">2327</span> /**<a name="line.2327"></a> -<span class="sourceLineNo">2328</span> * Create a region with it's own WAL. Be sure to call<a name="line.2328"></a> -<span class="sourceLineNo">2329</span> * {@link HBaseTestingUtility#closeRegionAndWAL(HRegion)} to clean up all resources.<a name="line.2329"></a> -<span class="sourceLineNo">2330</span> */<a name="line.2330"></a> -<span class="sourceLineNo">2331</span> public static HRegion createRegionAndWAL(final RegionInfo info, final Path rootDir,<a name="line.2331"></a> -<span class="sourceLineNo">2332</span> final Configuration conf, final TableDescriptor htd, boolean initialize)<a name="line.2332"></a> -<span class="sourceLineNo">2333</span> throws IOException {<a name="line.2333"></a> -<span class="sourceLineNo">2334</span> ChunkCreator.initialize(MemStoreLABImpl.CHUNK_SIZE_DEFAULT, false, 0, 0, 0, null);<a name="line.2334"></a> -<span class="sourceLineNo">2335</span> WAL wal = createWal(conf, rootDir, info);<a name="line.2335"></a> -<span class="sourceLineNo">2336</span> return HRegion.createHRegion(info, rootDir, conf, htd, wal, initialize);<a name="line.2336"></a> -<span class="sourceLineNo">2337</span> }<a name="line.2337"></a> -<span class="sourceLineNo">2338</span><a name="line.2338"></a> -<span class="sourceLineNo">2339</span> /**<a name="line.2339"></a> -<span class="sourceLineNo">2340</span> * Returns all rows from the hbase:meta table.<a name="line.2340"></a> -<span class="sourceLineNo">2341</span> *<a name="line.2341"></a> -<span class="sourceLineNo">2342</span> * @throws IOException When reading the rows fails.<a name="line.2342"></a> -<span class="sourceLineNo">2343</span> */<a name="line.2343"></a> -<span class="sourceLineNo">2344</span> public List<byte[]> getMetaTableRows() throws IOException {<a name="line.2344"></a> -<span class="sourceLineNo">2345</span> // TODO: Redo using MetaTableAccessor class<a name="line.2345"></a> -<span class="sourceLineNo">2346</span> Table t = getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.2346"></a> -<span class="sourceLineNo">2347</span> List<byte[]> rows = new ArrayList<>();<a name="line.2347"></a> -<span class="sourceLineNo">2348</span> ResultScanner s = t.getScanner(new Scan());<a name="line.2348"></a> -<span class="sourceLineNo">2349</span> for (Result result : s) {<a name="line.2349"></a> -<span class="sourceLineNo">2350</span> LOG.info("getMetaTableRows: row -> " +<a name="line.2350"></a> -<span class="sourceLineNo">2351</span> Bytes.toStringBinary(result.getRow()));<a name="line.2351"></a> -<span class="sourceLineNo">2352</span> rows.add(result.getRow());<a name="line.2352"></a> -<span class="sourceLineNo">2353</span> }<a name="line.2353"></a> -<span class="sourceLineNo">2354</span> s.close();<a name="line.2354"></a> -<span class="sourceLineNo">2355</span> t.close();<a name="line.2355"></a> -<span class="sourceLineNo">2356</span> return rows;<a name="line.2356"></a> -<span class="sourceLineNo">2357</span> }<a name="line.2357"></a> -<span class="sourceLineNo">2358</span><a name="line.2358"></a> -<span class="sourceLineNo">2359</span> /**<a name="line.2359"></a> -<span class="sourceLineNo">2360</span> * Returns all rows from the hbase:meta table for a given user table<a name="line.2360"></a> -<span class="sourceLineNo">2361</span> *<a name="line.2361"></a> -<span class="sourceLineNo">2362</span> * @throws IOException When reading the rows fails.<a name="line.2362"></a> -<span class="sourceLineNo">2363</span> */<a name="line.2363"></a> -<span class="sourceLineNo">2364</span> public List<byte[]> getMetaTableRows(TableName tableName) throws IOException {<a name="line.2364"></a> -<span class="sourceLineNo">2365</span> // TODO: Redo using MetaTableAccessor.<a name="line.2365"></a> -<span class="sourceLineNo">2366</span> Table t = getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.2366"></a> -<span class="sourceLineNo">2367</span> List<byte[]> rows = new ArrayList<>();<a name="line.2367"></a> -<span class="sourceLineNo">2368</span> ResultScanner s = t.getScanner(new Scan());<a name="line.2368"></a> -<span class="sourceLineNo">2369</span> for (Result result : s) {<a name="line.2369"></a> -<span class="sourceLineNo">2370</span> RegionInfo info = MetaTableAccessor.getRegionInfo(result);<a name="line.2370"></a> -<span class="sourceLineNo">2371</span> if (info == null) {<a name="line.2371"></a> -<span class="sourceLineNo">2372</span> LOG.error("No region info for row " + Bytes.toString(result.getRow()));<a name="line.2372"></a> -<span class="sourceLineNo">2373</span> // TODO figure out what to do for this new hosed case.<a name="line.2373"></a> -<span class="sourceLineNo">2374</span> continue;<a name="line.2374"></a> -<span class="sourceLineNo">2375</span> }<a name="line.2375"></a> -<span class="sourceLineNo">2376</span><a name="line.2376"></a> -<span class="sourceLineNo">2377</span> if (info.getTable().equals(tableName)) {<a name="line.2377"></a> -<span class="sourceLineNo">2378</span> LOG.info("getMetaTableRows: row -> " +<a name="line.2378"></a> -<span class="sourceLineNo">2379</span> Bytes.toStringBinary(result.getRow()) + info);<a name="line.2379"></a> -<span class="sourceLineNo">2380</span> rows.add(result.getRow());<a name="line.2380"></a> -<span class="sourceLineNo">2381</span> }<a name="line.2381"></a> -<span class="sourceLineNo">2382</span> }<a name="line.2382"></a> -<span class="sourceLineNo">2383</span> s.close();<a name="line.2383"></a> -<span class="sourceLineNo">2384</span> t.close();<a name="line.2384"></a> -<span class="sourceLineNo">2385</span> return rows;<a name="line.2385"></a> -<span class="sourceLineNo">2386</span> }<a name="line.2386"></a> -<span class="sourceLineNo">2387</span><a name="line.2387"></a> -<span class="sourceLineNo">2388</span> /*<a name="line.2388"></a> -<span class="sourceLineNo">2389</span> * Find any other region server which is different from the one identified by parameter<a name="line.2389"></a> -<span class="sourceLineNo">2390</span> * @param rs<a name="line.2390"></a> -<span class="sourceLineNo">2391</span> * @return another region server<a name="line.2391"></a> -<span class="sourceLineNo">2392</span> */<a name="line.2392"></a> -<span class="sourceLineNo">2393</span> public HRegionServer getOtherRegionServer(HRegionServer rs) {<a name="line.2393"></a> -<span class="sourceLineNo">2394</span> for (JVMClusterUtil.RegionServerThread rst :<a name="line.2394"></a> -<span class="sourceLineNo">2395</span> getMiniHBaseCluster().getRegionServerThreads()) {<a name="line.2395"></a> -<span class="sourceLineNo">2396</span> if (!(rst.getRegionServer() == rs)) {<a name="line.2396"></a> -<span class="sourceLineNo">2397</span> return rst.getRegionServer();<a name="line.2397"></a> -<span class="sourceLineNo">2398</span> }<a name="line.2398"></a> -<span class="sourceLineNo">2399</span> }<a name="line.2399"></a> -<span class="sourceLineNo">2400</span> return null;<a name="line.2400"></a> -<span class="sourceLineNo">2401</span> }<a name="line.2401"></a> -<span class="sourceLineNo">2402</span><a name="line.2402"></a> -<span class="sourceLineNo">2403</span> /**<a name="line.2403"></a> -<span class="sourceLineNo">2404</span> * Tool to get the reference to the region server object that holds the<a name="line.2404"></a> -<span class="sourceLineNo">2405</span> * region of the specified user table.<a name="line.2405"></a> -<span class="sourceLineNo">2406</span> * It first searches for the meta rows that contain the region of the<a name="line.2406"></a> -<span class="sourceLineNo">2407</span> * specified table, then gets the index of that RS, and finally retrieves<a name="line.2407"></a> -<span class="sourceLineNo">2408</span> * the RS's reference.<a name="line.2408"></a> -<span class="sourceLineNo">2409</span> * @param tableName user table to lookup in hbase:meta<a name="line.2409"></a> -<span class="sourceLineNo">2410</span> * @return region server that holds it, null if the row doesn't exist<a name="line.2410"></a> -<span class="sourceLineNo">2411</span> * @throws IOException<a name="line.2411"></a> -<span class="sourceLineNo">2412</span> * @throws InterruptedException<a name="line.2412"></a> -<span class="sourceLineNo">2413</span> */<a name="line.2413"></a> -<span class="sourceLineNo">2414</span> public HRegionServer getRSForFirstRegionInTable(TableName tableName)<a name="line.2414"></a> -<span class="sourceLineNo">2415</span> throws IOException, InterruptedException {<a name="line.2415"></a> -<span class="sourceLineNo">2416</span> List<byte[]> metaRows = getMetaTableRows(tableName);<a name="line.2416"></a> -<span class="sourceLineNo">2417</span> if (metaRows == null || metaRows.isEmpty()) {<a name="line.2417"></a> -<span class="sourceLineNo">2418</span> return null;<a name="line.2418"></a> -<span class="sourceLineNo">2419</span> }<a name="line.2419"></a> -<span class="sourceLineNo">2420</span> LOG.debug("Found " + metaRows.size() + " rows for table " +<a name="line.2420"></a> -<span class="sourceLineNo">2421</span> tableName);<a name="line.2421"></a> -<span class="sourceLineNo">2422</span> byte [] firstrow = metaRows.get(0);<a name="line.2422"></a> -<span class="sourceLineNo">2423</span> LOG.debug("FirstRow=" + Bytes.toString(firstrow));<a name="line.2423"></a> -<span class="sourceLineNo">2424</span> long pause = getConfiguration().getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.2424"></a> -<span class="sourceLineNo">2425</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.2425"></a> -<span class="sourceLineNo">2426</span> int numRetries = getConfiguration().getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.2426"></a> -<span class="sourceLineNo">2427</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.2427"></a> -<span class="sourceLineNo">2428</span> RetryCounter retrier = new RetryCounter(numRetries+1, (int)pause, TimeUnit.MICROSECONDS);<a name="line.2428"></a> -<span class="sourceLineNo">2429</span> while(retrier.shouldRetry()) {<a name="line.2429"></a> -<span class="sourceLineNo">2430</span> int index = getMiniHBaseCluster().getServerWith(firstrow);<a name="line.2430"></a> -<span class="sourceLineNo">2431</span> if (index != -1) {<a name="line.2431"></a> -<span class="sourceLineNo">2432</span> return getMiniHBaseCluster().getRegionServerThreads().get(index).getRegionServer();<a name="line.2432"></a> -<span class="sourceLineNo">2433</span> }<a name="line.2433"></a> -<span class="sourceLineNo">2434</span> // Came back -1. Region may not be online yet. Sleep a while.<a name="line.2434"></a> -<span class="sourceLineNo">2435</span> retrier.sleepUntilNextRetry();<a name="line.2435"></a> -<span class="sourceLineNo">2436</span> }<a name="line.2436"></a> -<span class="sourceLineNo">2437</span> return null;<a name="line.2437"></a> -<span class="sourceLineNo">2438</span> }<a name="line.2438"></a> -<span class="sourceLineNo">2439</span><a name="line.2439"></a> -<span class="sourceLineNo">2440</span> /**<a name="line.2440"></a> -<span class="sourceLineNo">2441</span> * Starts a <code>MiniMRCluster</code> with a default number of<a name="line.2441"></a> -<span class="sourceLineNo">2442</span> * <code>TaskTracker</code>'s.<a name="line.2442"></a> -<span class="sourceLineNo">2443</span> *<a name="line.2443"></a> -<span class="sourceLineNo">2444</span> * @throws IOException When starting the cluster fails.<a name="line.2444"></a> -<span class="sourceLineNo">2445</span> */<a name="line.2445"></a> -<span class="sourceLineNo">2446</span> public MiniMRCluster startMiniMapReduceCluster() throws IOException {<a name="line.2446"></a> -<span class="sourceLineNo">2447</span> // Set a very high max-disk-utilization percentage to avoid the NodeManagers from failing.<a name="line.2447"></a> -<span class="sourceLineNo">2448</span> conf.setIfUnset(<a name="line.2448"></a> -<span class="sourceLineNo">2449</span> "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage",<a name="line.2449"></a> -<span class="sourceLineNo">2450</span> "99.0");<a name="line.2450"></a> -<span class="sourceLineNo">2451</span> startMiniMapReduceCluster(2);<a name="line.2451"></a> -<span class="sourceLineNo">2452</span> return mrCluster;<a name="line.2452"></a> -<span class="sourceLineNo">2453</span> }<a name="line.2453"></a> -<span class="sourceLineNo">2454</span><a name="line.2454"></a> -<span class="sourceLineNo">2455</span> /**<a name="line.2455"></a> -<span class="sourceLineNo">2456</span> * Tasktracker has a bug where changing the hadoop.log.dir system property<a name="line.2456"></a> -<span class="sourceLineNo">2457</span> * will not change its internal static LOG_DIR variable.<a name="line.2457"></a> -<span class="sourceLineNo">2458</span> */<a name="line.2458"></a> -<span class="sourceLineNo">2459</span> private void forceChangeTaskLogDir() {<a name="line.2459"></a> -<span class="sourceLineNo">2460</span> Field logDirField;<a name="line.2460"></a> -<span class="sourceLineNo">2461</span> try {<a name="line.2461"></a> -<span class="sourceLineNo">2462</span> logDirField = TaskLog.class.getDeclaredField("LOG_DIR");<a name="line.2462"></a> -<span class="sourceLineNo">2463</span> logDirField.setAccessible(true);<a name="line.2463"></a> -<span class="sourceLineNo">2464</span><a name="line.2464"></a> -<span class="sourceLineNo">2465</span> Field modifiersField = Field.class.getDeclaredField("modifiers");<a name="line.2465"></a> -<span class="sourceLineNo">2466</span> modifiersField.setAccessible(true);<a name="line.2466"></a> -<span class="sourceLineNo">2467</span> modifiersField.setInt(logDirField, logDirField.getModifiers() & ~Modifier.FINAL);<a name="line.2467"></a> -<span class="sourceLineNo">2468</span><a name="line.2468"></a> -<span class="sourceLineNo">2469</span> logDirField.set(null, new File(hadoopLogDir, "userlogs"));<a name="line.2469"></a> -<span class="sourceLineNo">2470</span> } catch (SecurityException e) {<a name="line.2470"></a> -<span class="sourceLineNo">2471</span> throw new RuntimeException(e);<a name="line.2471"></a> -<span class="sourceLineNo">2472</span> } catch (NoSuchFieldException e) {<a name="line.2472"></a> -<span class="sourceLineNo">2473</span> // TODO Auto-generated catch block<a name="line.2473"></a> -<span class="sourceLineNo">2474</span> throw new RuntimeException(e);<a name="line.2474"></a> -<span class="sourceLineNo">2475</span> } catch (IllegalArgumentException e) {<a name="line.2475"></a> -<span class="sourceLineNo">2476</span> throw new RuntimeException(e);<a name="line.2476"></a> -<span class="sourceLineNo">2477</span> } catch (IllegalAccessException e) {<a name="line.2477"></a> -<span class="sourceLineNo">2478</span> throw new RuntimeException(e);<a name="line.2478"></a> -<span class="sourceLineNo">2479</span> }<a name="line.2479"></a> -<span class="sourceLineNo">2480</span> }<a name="line.2480"></a> -<span class="sourceLineNo">2481</span><a name="line.2481"></a> -<span class="sourceLineNo">2482</span> /**<a name="line.2482"></a> -<span class="sourceLineNo">2483</span> * Starts a <code>MiniMRCluster</code>. Call {@link #setFileSystemURI(String)} to use a different<a name="line.2483"></a> -<span class="sourceLineNo">2484</span> * filesystem.<a name="line.2484"></a> -<span class="sourceLineNo">2485</span> * @param servers The number of <code>TaskTracker</code>'s to start.<a name="line.2485"></a> -<span class="sourceLineNo">2486</span> * @throws IOException When starting the cluster fails.<a name="line.2486"></a> -<span class="sourceLineNo">2487</span> */<a name="line.2487"></a> -<span class="sourceLineNo">2488</span> private void startMiniMapReduceCluster(final int servers) throws IOException {<a name="line.2488"></a> -<span class="sourceLineNo">2489</span> if (mrCluster != null) {<a name="line.2489"></a> -<span class="sourceLineNo">2490</span> throw new IllegalStateException("MiniMRCluster is already running");<a name="line.2490"></a> -<span class="sourceLineNo">2491</span> }<a name="line.2491"></a> -<span class="sourceLineNo">2492</span> LOG.info("Starting mini mapreduce cluster...");<a name="line.2492"></a> -<span class="sourceLineNo">2493</span> setupClusterTestDir();<a name="line.2493"></a> -<span class="sourceLineNo">2494</span> createDirsAndSetProperties();<a name="line.2494"></a> -<span class="sourceLineNo">2495</span><a name="line.2495"></a> -<span class="sourceLineNo">2496</span> forceChangeTaskLogDir();<a name="line.2496"></a> -<span class="sourceLineNo">2497</span><a name="line.2497"></a> -<span class="sourceLineNo">2498</span> //// hadoop2 specific settings<a name="line.2498"></a> -<span class="sourceLineNo">2499</span> // Tests were failing because this process used 6GB of virtual memory and was getting killed.<a name="line.2499"></a> -<span class="sourceLineNo">2500</span> // we up the VM usable so that processes don't get killed.<a name="line.2500"></a> -<span class="sourceLineNo">2501</span> conf.setFloat("yarn.nodemanager.vmem-pmem-ratio", 8.0f);<a name="line.2501"></a> -<span class="sourceLineNo">2502</span><a name="line.2502"></a> -<span class="sourceLineNo">2503</span> // Tests were failing due to MAPREDUCE-4880 / MAPREDUCE-4607 against hadoop 2.0.2-alpha and<a name="line.2503"></a> -<span class="sourceLineNo">2504</span> // this avoids the problem by disabling speculative task execution in tests.<a name="line.2504"></a> -<span class="sourceLineNo">2505</span> conf.setBoolean("mapreduce.map.speculative", false);<a name="line.2505"></a> -<span class="sourceLineNo">2506</span> conf.setBoolean("mapreduce.reduce.speculative", false);<a name="line.2506"></a> -<span class="sourceLineNo">2507</span> ////<a name="line.2507"></a> -<span class="sourceLineNo">2508</span><a name="line.2508"></a> -<span class="sourceLineNo">2509</span> // Allow the user to override FS URI for this map-reduce cluster to use.<a name="line.2509"></a> -<span class="sourceLineNo">2510</span> mrCluster = new MiniMRCluster(servers,<a name="line.2510"></a> -<span class="sourceLineNo">2511</span> FS_URI != null ? 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Use {@link #getAdmin()} instead.<a name="line.2758"></a> -<span class="sourceLineNo">2759</span> */<a name="line.2759"></a> -<span class="sourceLineNo">2760</span> @Deprecated<a name="line.2760"></a> -<span class="sourceLineNo">2761</span> public synchronized HBaseAdmin getHBaseAdmin()<a name="line.2761"></a> -<span class="sourceLineNo">2762</span> throws IOException {<a name="line.2762"></a> -<span class="sourceLineNo">2763</span> if (hbaseAdmin == null){<a name="line.2763"></a> -<span class="sourceLineNo">2764</span> this.hbaseAdmin = (HBaseAdmin) getConnection().getAdmin();<a name="line.2764"></a> -<span class="sourceLineNo">2765</span> }<a name="line.2765"></a> -<span class="sourceLineNo">2766</span> return hbaseAdmin;<a name="line.2766"></a> -<span class="sourceLineNo">2767</span> }<a name="line.2767"></a> -<span class="sourceLineNo">2768</span><a name="line.2768"></a> -<span class="sourceLineNo">2769</span> /**<a name="line.2769"></a> -<span class="sourceLineNo">2770</span> * Returns an Admin instance which is shared between HBaseTestingUtility instance users.<a name="line.2770"></a> -<span class="sourceLineNo">2771</span> * Closing it has no effect, it will be closed automatically when the cluster shutdowns<a name="line.2771"></a> -<span class="sourceLineNo">2772</span> */<a name="line.2772"></a> -<span class="sourceLineNo">2773</span> public synchronized Admin getAdmin() throws IOException {<a name="line.2773"></a> -<span class="sourceLineNo">2774</span> if (hbaseAdmin == null){<a name="line.2774"></a> -<span class="sourceLineNo">2775</span> this.hbaseAdmin = (HBaseAdmin) getConnection().getAdmin();<a name="line.2775"></a> -<span class="sourceLineNo">2776</span> }<a name="line.2776"></a> -<span class="sourceLineNo">2777</span> return hbaseAdmin;<a name="line.2777"></a> -<span class="sourceLineNo">2778</span> }<a name="line.2778"></a> -<span class="sourceLineNo">2779</span><a name="line.2779"></a> -<span class="sourceLineNo">2780</span> private HBaseAdmin hbaseAdmin = null;<a name="line.2780"></a> +<span class="sourceLineNo">2313</span> Collections.<WALActionsListener> singletonList(new MetricsWAL()),<a name="line.2313"></a> +<span class="sourceLineNo">2314</span> "hregion-" + RandomStringUtils.randomNumeric(8))).getWAL(hri);<a name="line.2314"></a> +<span class="sourceLineNo">2315</span> }<a name="line.2315"></a> +<span class="sourceLineNo">2316</span><a name="line.2316"></a> +<span class="sourceLineNo">2317</span> /**<a name="line.2317"></a> +<span class="sourceLineNo">2318</span> * Create a region with it's own WAL. Be sure to call<a name="line.2318"></a> +<span class="sourceLineNo">2319</span> * {@link HBaseTestingUtility#closeRegionAndWAL(HRegion)} to clean up all resources.<a name="line.2319"></a> +<span class="sourceLineNo">2320</span> */<a name="line.2320"></a> +<span class="sourceLineNo">2321</span> public static HRegion createRegionAndWAL(final RegionInfo info, final Path rootDir,<a name="line.2321"></a> +<span class="sourceLineNo">2322</span> final Configuration conf, final TableDescriptor htd) throws IOException {<a name="line.2322"></a> +<span class="sourceLineNo">2323</span> return createRegionAndWAL(info, rootDir, conf, htd, true);<a name="line.2323"></a> +<span class="sourceLineNo">2324</span> }<a name="line.2324"></a> +<span class="sourceLineNo">2325</span><a name="line.2325"></a> +<span class="sourceLineNo">2326</span> /**<a name="line.2326"></a> +<span class="sourceLineNo">2327</span> * Create a region with it's own WAL. Be sure to call<a name="line.2327"></a> +<span class="sourceLineNo">2328</span> * {@link HBaseTestingUtility#closeRegionAndWAL(HRegion)} to clean up all resources.<a name="line.2328"></a> +<span class="sourceLineNo">2329</span> */<a name="line.2329"></a> +<span class="sourceLineNo">2330</span> public static HRegion createRegionAndWAL(final RegionInfo info, final Path rootDir,<a name="line.2330"></a> +<span class="sourceLineNo">2331</span> final Configuration conf, final TableDescriptor htd, boolean initialize)<a name="line.2331"></a> +<span class="sourceLineNo">2332</span> throws IOException {<a name="line.2332"></a> +<span class="sourceLineNo">2333</span> ChunkCreator.initialize(MemStoreLABImpl.CHUNK_SIZE_DEFAULT, false, 0, 0, 0, null);<a name="line.2333"></a> +<span class="sourceLineNo">2334</span> WAL wal = createWal(conf, rootDir, info);<a name="line.2334"></a> +<span class="sourceLineNo">2335</span> return HRegion.createHRegion(info, rootDir, conf, htd, wal, initialize);<a name="line.2335"></a> +<span class="sourceLineNo">2336</span> }<a name="line.2336"></a> +<span class="sourceLineNo">2337</span><a name="line.2337"></a> +<span class="sourceLineNo">2338</span> /**<a name="line.2338"></a> +<span class="sourceLineNo">2339</span> * Returns all rows from the hbase:meta table.<a name="line.2339"></a> +<span class="sourceLineNo">2340</span> *<a name="line.2340"></a> +<span class="sourceLineNo">2341</span> * @throws IOException When reading the rows fails.<a name="line.2341"></a> +<span class="sourceLineNo">2342</span> */<a name="line.2342"></a> +<span class="sourceLineNo">2343</span> public List<byte[]> getMetaTableRows() throws IOException {<a name="line.2343"></a> +<span class="sourceLineNo">2344</span> // TODO: Redo using MetaTableAccessor class<a name="line.2344"></a> +<span class="sourceLineNo">2345</span> Table t = getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.2345"></a> +<span class="sourceLineNo">2346</span> List<byte[]> rows = new ArrayList<>();<a name="line.2346"></a> +<span class="sourceLineNo">2347</span> ResultScanner s = t.getScanner(new Scan());<a name="line.2347"></a> +<span class="sourceLineNo">2348</span> for (Result result : s) {<a name="line.2348"></a> +<span class="sourceLineNo">2349</span> LOG.info("getMetaTableRows: row -> " +<a name="line.2349"></a> +<span class="sourceLineNo">2350</span> Bytes.toStringBinary(result.getRow()));<a name="line.2350"></a> +<span class="sourceLineNo">2351</span> rows.add(result.getRow());<a name="line.2351"></a> +<span class="sourceLineNo">2352</span> }<a name="line.2352"></a> +<span class="sourceLineNo">2353</span> s.close();<a name="line.2353"></a> +<span class="sourceLineNo">2354</span> t.close();<a name="line.2354"></a> +<span class="sourceLineNo">2355</span> return rows;<a name="line.2355"></a> +<span class="sourceLineNo">2356</span> }<a name="line.2356"></a> +<span class="sourceLineNo">2357</span><a name="line.2357"></a> +<span class="sourceLineNo">2358</span> /**<a name="line.2358"></a> +<span class="sourceLineNo">2359</span> * Returns all rows from the hbase:meta table for a given user table<a name="line.2359"></a> +<span class="sourceLineNo">2360</span> *<a name="line.2360"></a> +<span class="sourceLineNo">2361</span> * @throws IOException When reading the rows fails.<a name="line.2361"></a> +<span class="sourceLineNo">2362</span> */<a name="line.2362"></a> +<span class="sourceLineNo">2363</span> public List<byte[]> getMetaTableRows(TableName tableName) throws IOException {<a name="line.2363"></a> +<span class="sourceLineNo">2364</span> // TODO: Redo using MetaTableAccessor.<a name="line.2364"></a> +<span class="sourceLineNo">2365</span> Table t = getConnection().getTable(TableName.META_TABLE_NAME);<a name="line.2365"></a> +<span class="sourceLineNo">2366</span> List<byte[]> rows = new ArrayList<>();<a name="line.2366"></a> +<span class="sourceLineNo">2367</span> ResultScanner s = t.getScanner(new Scan());<a name="line.2367"></a> +<span class="sourceLineNo">2368</span> for (Result result : s) {<a name="line.2368"></a> +<span class="sourceLineNo">2369</span> RegionInfo info = MetaTableAccessor.getRegionInfo(result);<a name="line.2369"></a> +<span class="sourceLineNo">2370</span> if (info == null) {<a name="line.2370"></a> +<span class="sourceLineNo">2371</span> LOG.error("No region info for row " + Bytes.toString(result.getRow()));<a name="line.2371"></a> +<span class="sourceLineNo">2372</span> // TODO figure out what to do for this new hosed case.<a name="line.2372"></a> +<span class="sourceLineNo">2373</span> continue;<a name="line.2373"></a> +<span class="sourceLineNo">2374</span> }<a name="line.2374"></a> +<span class="sourceLineNo">2375</span><a name="line.2375"></a> +<span class="sourceLineNo">2376</span> if (info.getTable().equals(tableName)) {<a name="line.2376"></a> +<span class="sourceLineNo">2377</span> LOG.info("getMetaTableRows: row -> " +<a name="line.2377"></a> +<span class="sourceLineNo">2378</span> Bytes.toStringBinary(result.getRow()) + info);<a name="line.2378"></a> +<span class="sourceLineNo">2379</span> rows.add(result.getRow());<a name="line.2379"></a> +<span class="sourceLineNo">2380</span> }<a name="line.2380"></a> +<span class="sourceLineNo">2381</span> }<a name="line.2381"></a> +<span class="sourceLineNo">2382</span> s.close();<a name="line.2382"></a> +<span class="sourceLineNo">2383</span> t.close();<a name="line.2383"></a> +<span class="sourceLineNo">2384</span> return rows;<a name="line.2384"></a> +<span class="sourceLineNo">2385</span> }<a name="line.2385"></a> +<span class="sourceLineNo">2386</span><a name="line.2386"></a> +<span class="sourceLineNo">2387</span> /*<a name="line.2387"></a> +<span class="sourceLineNo">2388</span> * Find any other region server which is different from the one identified by parameter<a name="line.2388"></a> +<span class="sourceLineNo">2389</span> * @param rs<a name="line.2389"></a> +<span class="sourceLineNo">2390</span> * @return another region server<a name="line.2390"></a> +<span class="sourceLineNo">2391</span> */<a name="line.2391"></a> +<span class="sourceLineNo">2392</span> public HRegionServer getOtherRegionServer(HRegionServer rs) {<a name="line.2392"></a> +<span class="sourceLineNo">2393</span> for (JVMClusterUtil.RegionServerThread rst :<a name="line.2393"></a> +<span class="sourceLineNo">2394</span> getMiniHBaseCluster().getRegionServerThreads()) {<a name="line.2394"></a> +<span class="sourceLineNo">2395</span> if (!(rst.getRegionServer() == rs)) {<a name="line.2395"></a> +<span class="sourceLineNo">2396</span> return rst.getRegionServer();<a name="line.2396"></a> +<span class="sourceLineNo">2397</span> }<a name="line.2397"></a> +<span class="sourceLineNo">2398</span> }<a name="line.2398"></a> +<span class="sourceLineNo">2399</span> return null;<a name="line.2399"></a> +<span class="sourceLineNo">2400</span> }<a name="line.2400"></a> +<span class="sourceLineNo">2401</span><a name="line.2401"></a> +<span class="sourceLineNo">2402</span> /**<a name="line.2402"></a> +<span class="sourceLineNo">2403</span> * Tool to get the reference to the region server object that holds the<a name="line.2403"></a> +<span class="sourceLineNo">2404</span> * region of the specified user table.<a name="line.2404"></a> +<span class="sourceLineNo">2405</span> * It first searches for the meta rows that contain the region of the<a name="line.2405"></a> +<span class="sourceLineNo">2406</span> * specified table, then gets the index of that RS, and finally retrieves<a name="line.2406"></a> +<span class="sourceLineNo">2407</span> * the RS's reference.<a name="line.2407"></a> +<span class="sourceLineNo">2408</span> * @param tableName user table to lookup in hbase:meta<a name="line.2408"></a> +<span class="sourceLineNo">2409</span> * @return region server that holds it, null if the row doesn't exist<a name="line.2409"></a> +<span class="sourceLineNo">2410</span> * @throws IOException<a name="line.2410"></a> +<span class="sourceLineNo">2411</span> * @throws InterruptedException<a name="line.2411"></a> +<span class="sourceLineNo">2412</span> */<a name="line.2412"></a> +<span class="sourceLineNo">2413</span> public HRegionServer getRSForFirstRegionInTable(TableName tableName)<a name="line.2413"></a> +<span class="sourceLineNo">2414</span> throws IOException, InterruptedException {<a name="line.2414"></a> +<span class="sourceLineNo">2415</span> List<byte[]> metaRows = getMetaTableRows(tableName);<a name="line.2415"></a> +<span class="sourceLineNo">2416</span> if (metaRows == null || metaRows.isEmpty()) {<a name="line.2416"></a> +<span class="sourceLineNo">2417</span> return null;<a name="line.2417"></a> +<span class="sourceLineNo">2418</span> }<a name="line.2418"></a> +<span class="sourceLineNo">2419</span> LOG.debug("Found " + metaRows.size() + " rows for table " +<a name="line.2419"></a> +<span class="sourceLineNo">2420</span> tableName);<a name="line.2420"></a> +<span class="sourceLineNo">2421</span> byte [] firstrow = metaRows.get(0);<a name="line.2421"></a> +<span class="sourceLineNo">2422</span> LOG.debug("FirstRow=" + Bytes.toString(firstrow));<a name="line.2422"></a> +<span class="sourceLineNo">2423</span> long pause = getConfiguration().getLong(HConstants.HBASE_CLIENT_PAUSE,<a name="line.2423"></a> +<span class="sourceLineNo">2424</span> HConstants.DEFAULT_HBASE_CLIENT_PAUSE);<a name="line.2424"></a> +<span class="sourceLineNo">2425</span> int numRetries = getConfiguration().getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,<a name="line.2425"></a> +<span class="sourceLineNo">2426</span> HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);<a name="line.2426"></a> +<span class="sourceLineNo">2427</span> RetryCounter retrier = new RetryCounter(numRetries+1, (int)pause, TimeUnit.MICROSECONDS);<a name="line.2427"></a> +<span class="sourceLineNo">2428</span> while(retrier.shouldRetry()) {<a name="line.2428"></a> +<span class="sourceLineNo">2429</span> int index = getMiniHBaseCluster().getServerWith(firstrow);<a name="line.2429"></a> +<span class="sourceLineNo">2430</span> if (index != -1) {<a name="line.2430"></a> +<span class="sourceLineNo">2431</span> return getMiniHBaseCluster().getRegionServerThreads().get(index).getRegionServer();<a name="line.2431"></a> +<span class="sourceLineNo">2432</span> }<a name="line.2432"></a> +<span class="sourceLineNo">2433</span> // Came back -1. Region may not be online yet. Sleep a while.<a name="line.2433"></a> +<span class="sourceLineNo">2434</span> retrier.sleepUntilNextRetry();<a name="line.2434"></a> +<span class="sourceLineNo">2435</span> }<a name="line.2435"></a> +<span class="sourceLineNo">2436</span> return null;<a name="line.2436"></a> +<span class="sourceLineNo">2437</span> }<a name="line.2437"></a> +<span class="sourceLineNo">2438</span><a name="line.2438"></a> +<span class="sourceLineNo">2439</span> /**<a name="line.2439"></a> +<span class="sourceLineNo">2440</span> * Starts a <code>MiniMRCluster</code> with a default number of<a name="line.2440"></a> +<span class="sourceLineNo">2441</span> * <code>TaskTracker</code>'s.<a name="line.2441"></a> +<span class="sourceLineNo">2442</span> *<a name="line.2442"></a> +<span class="sourceLineNo">2443</span> * @throws IOException When starting the cluster fails.<a name="line.2443"></a> +<span class="sourceLineNo">2444</span> */<a name="line.2444"></a> +<span class="sourceLineNo">2445</span> public MiniMRCluster startMiniMapReduceCluster() throws IOException {<a name="line.2445"></a> +<span class="sourceLineNo">2446</span> // Set a very high max-disk-utilization percentage to avoid the NodeManagers from failing.<a name="line.2446"></a> +<span class="sourceLineNo">2447</span> conf.setIfUnset(<a name="line.2447"></a> +<span class="sourceLineNo">2448</span> "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage",<a name="line.2448"></a> +<span class="sourceLineNo">2449</span> "99.0");<a name="line.2449"></a> +<span class="sourceLineNo">2450</span> startMiniMapReduceCluster(2);<a name="line.2450"></a> +<span class="sourceLineNo">2451</span> return mrCluster;<a name="line.2451"></a> +<span class="sourceLineNo">2452</span> }<a name="line.2452"></a> +<span class="sourceLineNo">2453</span><a name="line.2453"></a> +<span class="sourceLineNo">2454</span> /**<a name="line.2454"></a> +<span class="sourceLineNo">2455</span> * Tasktracker has a bug where changing the hadoop.log.dir system property<a name="line.2455"></a> +<span class="sourceLineNo">2456</span> * will not change its internal static LOG_DIR variable.<a name="line.2456"></a> +<span class="sourceLineNo">2457</span> */<a name="line.2457"></a> +<span class="sourceLineNo">2458</span> private void forceChangeTaskLogDir() {<a name="line.2458"></a> +<span class="sourceLineNo">2459</span> Field logDirField;<a name="line.2459"></a> +<span class="sourceLineNo">2460</span> try {<a name="line.2460"></a> +<span class="sourceLineNo">2461</span> logDirField = TaskLog.class.getDeclaredField("LOG_DIR");<a name="line.2461"></a> +<span class="sourceLineNo">2462</span> logDirField.setAccessible(true);<a name="line.2462"></a> +<span class="sourceLineNo">2463</span><a name="line.2463"></a> +<span class="sourceLineNo">2464</span> Field modifiersField = Field.class.getDeclaredField("modifiers");<a name="line.2464"></a> +<span class="sourceLineNo">2465</span> modifiersField.setAccessible(true);<a name="line.2465"></a> +<span class="sourceLineNo">2466</span> modifiersField.setInt(logDirField, logDirField.getModifiers() & ~Modifier.FINAL);<a name="line.2466"></a> +<span class="sourceLineNo">2467</span><a name="line.2467"></a> +<span class="sourceLineNo">2468</span> logDirField.set(null, new File(hadoopLogDir, "userlogs"));<a name="line.2468"></a> +<span class="sourceLineNo">2469</span> } catch (SecurityException e) {<a name="line.2469"></a> +<span class="sourceLineNo">2470</span> throw new RuntimeException(e);<a name="line.2470"></a> +<span class="sourceLineNo">2471</span> } catch (NoSuchFieldException e) {<a name="line.2471"></a> +<span class="sourceLineNo">2472</span> // TODO Auto-generated catch block<a name="line.2472"></a> +<span class="sourceLineNo">2473</span> throw new RuntimeException(e);<a name="line.2473"></a> +<span class="sourceLineNo">2474</span> } catch (IllegalArgumentException e) {<a name="line.2474"></a> +<span class="sourceLineNo">2475</span> throw new RuntimeException(e);<a name="line.2475"></a> +<span class="sourceLineNo">2476</span> } catch (IllegalAccessException e) {<a name="line.2476"></a> +<span class="sourceLineNo">2477</span> throw new RuntimeException(e);<a name="line.2477"></a> +<span class="sourceLineNo">2478</span> }<a name="line.2478"></a> +<span class="sourceLineNo">2479</span> }<a name="line.2479"></a> +<span class="sourceLineNo">2480</span><a name="line.2480"></a> +<span class="sourceLineNo">2481</span> /**<a name="line.2481"></a> +<span class="sourceLineNo">2482</span> * Starts a <code>MiniMRCluster</code>. Call {@link #setFileSystemURI(String)} to use a different<a name="line.2482"></a> +<span class="sourceLineNo">2483</span> * filesystem.<a name="line.2483"></a> +<span class="sourceLineNo">2484</span> * @param servers The number of <code>TaskTracker</code>'s to start.<a name="line.2484"></a> +<span class="sourceLineNo">2485</span> * @throws IOException When starting the cluster fails.<a name="line.2485"></a> +<span class="sourceLineNo">2486</span> */<a name="line.2486"></a> +<span class="sourceLineNo">2487</span> private void startMiniMapReduceCluster(final int servers) throws IOException {<a name="line.2487"></a> +<span class="sourceLineNo">2488</span> if (mrCluster != null) {<a name="line.2488"></a> +<span class="sourceLineNo">2489</span> throw new IllegalStateException("MiniMRCluster is already running");<a name="line.2489"></a> +<span class="sourceLineNo">2490</span> }<a name="line.2490"></a> +<span class="sourceLineNo">2491</span> LOG.info("Starting mini mapreduce cluster...");<a name="line.2491"></a> +<span class="sourceLineNo">2492</span> setupClusterTestDir();<a name="line.2492"></a> +<span class="sourceLineNo">2493</span> createDirsAndSetProperties();<a name="line.2493"></a> +<span class="sourceLineNo">2494</span><a name="line.2494"></a> +<span class="sourceLineNo">2495</span> forceChangeTaskLogDir();<a name="line.2495"></a> +<span class="sourceLineNo">2496</span><a name="line.2496"></a> +<span class="sourceLineNo">2497</span> //// hadoop2 specific settings<a name="line.2497"></a> +<span class="sourceLineNo">2498</span> // Tests were failing because this process used 6GB of virtual memory and was getting killed.<a name="line.2498"></a> +<span class="sourceLineNo">2499</span> // we up the VM usable so that processes don't get killed.<a name="line.2499"></a> +<span class="sourceLineNo">2500</span> conf.setFloat("yarn.nodemanager.vmem-pmem-ratio", 8.0f);<a name="line.2500"></a> +<span class="sourceLineNo">2501</span><a name="line.2501"></a> +<span class="sourceLineNo">2502</span> // Tests were failing due to MAPREDUCE-4880 / MAPREDUCE-4607 against hadoop 2.0.2-alpha and<a name="line.2502"></a> +<span class="sourceLineNo">2503</span> // this avoids the problem by disabling speculative task execution in tests.<a name="line.2503"></a> +<span class="sourceLineNo">2504</span> conf.setBoolean("mapreduce.map.speculative", false);<a name="line.2504"></a> +<span class="sourceLineNo">2505</span> conf.setBoolean("mapreduce.reduce.speculative", false);<a name="line.2505"></a> +<span class="sourceLineNo">2506</span> ////<a name="line.2506"></a> +<span class="sourceLineNo">2507</span><a name="line.2507"></a> +<span class="sourceLineNo">2508</span> // Allow the user to override FS URI for this map-reduce cluster to use.<a name="line.2508"></a> +<span class="sourceLineNo">2509</span> mrCluster = new MiniMRCluster(servers,<a name="line.2509"></a> +<span class="sourceLineNo">2510</span> FS_URI != null ? FS_URI : FileSystem.get(conf).getUri().toString(), 1,<a name="line.2510"></a> +<span class="sourceLineNo">2511</span> null, null, new JobConf(this.conf));<a name="line.2511"></a> +<span class="sourceLineNo">2512</span> JobConf jobConf = MapreduceTestingShim.getJobConf(mrCluster);<a name="line.2512"></a> +<span class="sourceLineNo">2513</span> if (jobConf == null) {<a name="line.2513"></a> +<span class="sourceLineNo">2514</span> jobConf = mrCluster.createJobConf();<a name="line.2514"></a> +<span class="sourceLineNo">2515</span> }<a name="line.2515"></a> +<span class="sourceLineNo">2516</span><a name="line.2516"></a> +<span class="sourceLineNo">2517</span> jobConf.set("mapreduce.cluster.local.dir",<a name="line.2517"></a> +<span class="sourceLineNo">2518</span> conf.get("mapreduce.cluster.local.dir")); //Hadoop MiniMR overwrites this while it should not<a name="line.2518"></a> +<span class="sourceLineNo">2519</span> LOG.info("Mini mapreduce cluster started");<a name="line.2519"></a> +<span class="sourceLineNo">2520</span><a name="line.2520"></a> +<span class="sourceLineNo">2521</span> // In hadoop2, YARN/MR2 starts a mini cluster with its own conf instance and updates settings.<a name="line.2521"></a> +<span class="sourceLineNo">2522</span> // Our HBase MR jobs need several of these settings in order to properly run. 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class="sourceLineNo">2583</span> return rss;<a name="line.2583"></a> +<span class="sourceLineNo">2584</span> }<a name="line.2584"></a> +<span class="sourceLineNo">2585</span><a name="line.2585"></a> +<span class="sourceLineNo">2586</span> /**<a name="line.2586"></a> +<span class="sourceLineNo">2587</span> * Create a stubbed out RegionServerService, mainly for getting FS.<a name="line.2587"></a> +<span class="sourceLineNo">2588</span> * This version is used by TestOpenRegionHandler<a name="line.2588"></a> +<span class="sourceLineNo">2589</span> */<a name="line.2589"></a> +<span class="sourceLineNo">2590</span> public RegionServerServices createMockRegionServerService(ServerName name) throws IOException {<a name="line.2590"></a> +<span class="sourceLineNo">2591</span> final MockRegionServerServices rss = new MockRegionServerServices(getZooKeeperWatcher(), name);<a name="line.2591"></a> +<span class="sourceLineNo">2592</span> rss.setFileSystem(getTestFileSystem());<a name="line.2592"></a> 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class="sourceLineNo">2604</span> ((Log4JLogger) l).getLogger().setLevel(org.apache.log4j.Level.DEBUG);<a name="line.2604"></a> +<span class="sourceLineNo">2605</span> } else if (l instanceof Log4jLoggerAdapter) {<a name="line.2605"></a> +<span class="sourceLineNo">2606</span> LogManager.getLogger(clazz).setLevel(org.apache.log4j.Level.DEBUG);<a name="line.2606"></a> +<span class="sourceLineNo">2607</span> } else if (l instanceof Jdk14Logger) {<a name="line.2607"></a> +<span class="sourceLineNo">2608</span> ((Jdk14Logger) l).getLogger().setLevel(java.util.logging.Level.ALL);<a name="line.2608"></a> +<span class="sourceLineNo">2609</span> }<a name="line.2609"></a> +<span class="sourceLineNo">2610</span> }<a name="line.2610"></a> +<span class="sourceLineNo">2611</span><a name="line.2611"></a> +<span class="sourceLineNo">2612</span> /**<a name="line.2612"></a> +<span class="sourceLineNo">2613</span> * Expire the Master's session<a name="line.2613"></a> +<span 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class="sourceLineNo">2645</span> ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, -1);<a name="line.2645"></a> +<span class="sourceLineNo">2646</span> if (currentCount != -1) {<a name="line.2646"></a> +<span class="sourceLineNo">2647</span> conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART,<a name="line.2647"></a> +<span class="sourceLineNo">2648</span> Math.max(currentCount - 1, 1));<a name="line.2648"></a> +<span class="sourceLineNo">2649</span> }<a name="line.2649"></a> +<span class="sourceLineNo">2650</span> }<a name="line.2650"></a> +<span class="sourceLineNo">2651</span><a name="line.2651"></a> +<span class="sourceLineNo">2652</span> public void expireSession(ZKWatcher nodeZK) throws Exception {<a name="line.2652"></a> +<span class="sourceLineNo">2653</span> expireSession(nodeZK, false);<a name="line.2653"></a> +<span class="sourceLineNo">2654</span> }<a name="line.2654"></a> +<span class="sourceLineNo">2655</span><a name="line.2655"></a> +<span 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class="sourceLineNo">2665</span> * current configuration.<a name="line.2665"></a> +<span class="sourceLineNo">2666</span> */<a name="line.2666"></a> +<span class="sourceLineNo">2667</span> public void expireSession(ZKWatcher nodeZK, boolean checkStatus)<a name="line.2667"></a> +<span class="sourceLineNo">2668</span> throws Exception {<a name="line.2668"></a> +<span class="sourceLineNo">2669</span> Configuration c = new Configuration(this.conf);<a name="line.2669"></a> +<span class="sourceLineNo">2670</span> String quorumServers = ZKConfig.getZKQuorumServersString(c);<a name="line.2670"></a> +<span class="sourceLineNo">2671</span> ZooKeeper zk = nodeZK.getRecoverableZooKeeper().getZooKeeper();<a name="line.2671"></a> +<span class="sourceLineNo">2672</span> byte[] password = zk.getSessionPasswd();<a name="line.2672"></a> +<span class="sourceLineNo">2673</span> long sessionID = zk.getSessionId();<a name="line.2673"></a> +<span class="sourceLineNo">2674</span><a name="line.2674"></a> +<span class="sourceLineNo">2675</span> // Expiry seems to be asynchronous (see comment from P. Hunt in [1]),<a name="line.2675"></a> +<span class="sourceLineNo">2676</span> // so we create a first watcher to be sure that the<a name="line.2676"></a> +<span class="sourceLineNo">2677</span> // event was sent. We expect that if our watcher receives the event<a name="line.2677"></a> +<span class="sourceLineNo">2678</span> // other watchers on the same machine will get is as well.<a name="line.2678"></a> +<span class="sourceLineNo">2679</span> // When we ask to close the connection, ZK does not close it before<a name="line.2679"></a> +<span class="sourceLineNo">2680</span> // we receive all the events, so don't have to capture the event, just<a name="line.2680"></a> +<span class="sourceLineNo">2681</span> // closing the connection should be enough.<a name="line.2681"></a> +<span class="sourceLineNo">2682</span> ZooKeeper monitor = new ZooKeeper(quorumServers,<a name="line.2682"></a> +<span class="sourceLineNo">2683</span> 1000, new org.apache.zookeeper.Watcher(){<a name="line.2683"></a> +<span class="sourceLineNo">2684</span> @Override<a name="line.2684"></a> +<span class="sourceLineNo">2685</span> public void process(WatchedEvent watchedEvent) {<a name="line.2685"></a> +<span class="sourceLineNo">2686</span> LOG.info("Monitor ZKW received event="+watchedEvent);<a name="line.2686"></a> +<span class="sourceLineNo">2687</span> }<a name="line.2687"></a> +<span class="sourceLineNo">2688</span> } , sessionID, password);<a name="line.2688"></a> +<span class="sourceLineNo">2689</span><a name="line.2689"></a> +<span class="sourceLineNo">2690</span> // Making it expire<a name="line.2690"></a> +<span class="sourceLineNo">2691</span> ZooKeeper newZK = new ZooKeeper(quorumServers,<a name="line.2691"></a> +<span class="sourceLineNo">2692</span> 1000, EmptyWatcher.instance, sessionID, password);<a name="line.2692"></a> +<span class="sourceLineNo">2693</span><a name="line.2693"></a> +<span class="sourceLineNo">2694</span> //ensure that we have connection to the server before closing down, otherwise<a name="line.2694"></a> +<span class="sourceLineNo">2695</span> //the close session event will be eaten out before we start CONNECTING state<a name="line.2695"></a> +<span class="sourceLineNo">2696</span> long start = System.currentTimeMillis();<a name="line.2696"></a> +<span class="sourceLineNo">2697</span> while (newZK.getState() != States.CONNECTED<a name="line.2697"></a> +<span class="sourceLineNo">2698</span> && System.currentTimeMillis() - start < 1000) {<a name="line.2698"></a> +<span class="sourceLineNo">2699</span> Thread.sleep(1);<a name="line.2699"></a> +<span class="sourceLineNo">2700</span> }<a name="line.2700"></a> +<span class="sourceLineNo">2701</span> newZK.close();<a name="line.2701"></a> +<span class="sourceLineNo">2702</span> LOG.info("ZK Closed Session 0x" + Long.toHexString(sessionID));<a name="line.2702"></a> +<span class="sourceLineNo">2703</span><a name="line.2703"></a> +<span class="sourceLineNo">2704</span> // Now closing & waiting to be sure that the clients get it.<a name="line.2704"></a> +<span class="sourceLineNo">2705</span> monitor.close();<a name="line.2705"></a> +<span class="sourceLineNo">2706</span><a name="line.2706"></a> +<span class="sourceLineNo">2707</span> if (checkStatus) {<a name="line.2707"></a> +<span class="sourceLineNo">2708</span> getConnection().getTable(TableName.META_TABLE_NAME).close();<a name="line.2708"></a> +<span class="sourceLineNo">2709</span> }<a name="line.2709"></a> +<span class="sourceLineNo">2710</span> }<a name="line.2710"></a> +<span class="sourceLineNo">2711</span><a name="line.2711"></a> +<span class="sourceLineNo">2712</span> /**<a name="line.2712"></a> +<span class="sourceLineNo">2713</span> * Get the Mini HBase cluster.<a name="line.2713"></a> +<span class="sourceLineNo">2714</span> *<a name="line.2714"></a> +<span class="sourceLineNo">2715</span> * @return hbase cluster<a name="line.2715"></a> +<span class="sourceLineNo">2716</span> * @see #getHBaseClusterInterface()<a name="line.2716"></a> +<span class="sourceLineNo">2717</span> */<a name="line.2717"></a> +<span class="sourceLineNo">2718</span> public MiniHBaseCluster getHBaseC
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