http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6674e3ab/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.QueryType.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.QueryType.html b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.QueryType.html index ad601c4..53e455f 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.QueryType.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.QueryType.html @@ -1117,1183 +1117,1186 @@ <span class="sourceLineNo">1109</span> @Nullable<a name="line.1109"></a> <span class="sourceLineNo">1110</span> public static TableState getTableState(Connection conn, TableName tableName)<a name="line.1110"></a> <span class="sourceLineNo">1111</span> throws IOException {<a name="line.1111"></a> -<span class="sourceLineNo">1112</span> Table metaHTable = getMetaHTable(conn);<a 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class="sourceLineNo">1212</span> /**<a name="line.1212"></a> +<span class="sourceLineNo">1213</span> * @return Collected results; wait till visits complete to collect all<a name="line.1213"></a> +<span class="sourceLineNo">1214</span> * possible results<a name="line.1214"></a> +<span class="sourceLineNo">1215</span> */<a name="line.1215"></a> +<span class="sourceLineNo">1216</span> List<T> getResults() {<a name="line.1216"></a> +<span class="sourceLineNo">1217</span> return this.results;<a name="line.1217"></a> +<span class="sourceLineNo">1218</span> }<a name="line.1218"></a> +<span class="sourceLineNo">1219</span> }<a name="line.1219"></a> +<span class="sourceLineNo">1220</span><a name="line.1220"></a> +<span class="sourceLineNo">1221</span> /**<a name="line.1221"></a> +<span class="sourceLineNo">1222</span> * Collects all returned.<a name="line.1222"></a> +<span class="sourceLineNo">1223</span> */<a name="line.1223"></a> +<span class="sourceLineNo">1224</span> static class CollectAllVisitor extends CollectingVisitor<Result> {<a name="line.1224"></a> +<span class="sourceLineNo">1225</span> @Override<a name="line.1225"></a> +<span class="sourceLineNo">1226</span> void add(Result r) {<a name="line.1226"></a> +<span class="sourceLineNo">1227</span> this.results.add(r);<a name="line.1227"></a> +<span class="sourceLineNo">1228</span> }<a name="line.1228"></a> +<span class="sourceLineNo">1229</span> }<a name="line.1229"></a> +<span class="sourceLineNo">1230</span><a name="line.1230"></a> +<span class="sourceLineNo">1231</span> /**<a name="line.1231"></a> +<span class="sourceLineNo">1232</span> * A Visitor that skips offline regions and split parents<a name="line.1232"></a> +<span class="sourceLineNo">1233</span> */<a name="line.1233"></a> +<span class="sourceLineNo">1234</span> public static abstract class DefaultVisitorBase implements Visitor {<a name="line.1234"></a> +<span class="sourceLineNo">1235</span><a name="line.1235"></a> +<span class="sourceLineNo">1236</span> public DefaultVisitorBase() {<a name="line.1236"></a> +<span class="sourceLineNo">1237</span> super();<a name="line.1237"></a> +<span class="sourceLineNo">1238</span> }<a name="line.1238"></a> +<span class="sourceLineNo">1239</span><a name="line.1239"></a> +<span class="sourceLineNo">1240</span> public abstract boolean visitInternal(Result rowResult) throws IOException;<a name="line.1240"></a> +<span class="sourceLineNo">1241</span><a name="line.1241"></a> +<span class="sourceLineNo">1242</span> @Override<a name="line.1242"></a> +<span class="sourceLineNo">1243</span> public boolean visit(Result rowResult) throws IOException {<a name="line.1243"></a> +<span class="sourceLineNo">1244</span> RegionInfo info = getRegionInfo(rowResult);<a name="line.1244"></a> +<span class="sourceLineNo">1245</span> if (info == null) {<a name="line.1245"></a> +<span class="sourceLineNo">1246</span> return true;<a name="line.1246"></a> +<span class="sourceLineNo">1247</span> }<a name="line.1247"></a> +<span class="sourceLineNo">1248</span><a name="line.1248"></a> +<span class="sourceLineNo">1249</span> //skip over offline and split regions<a name="line.1249"></a> +<span class="sourceLineNo">1250</span> if (!(info.isOffline() || info.isSplit())) {<a name="line.1250"></a> +<span class="sourceLineNo">1251</span> return visitInternal(rowResult);<a name="line.1251"></a> +<span class="sourceLineNo">1252</span> }<a name="line.1252"></a> +<span class="sourceLineNo">1253</span> return true;<a name="line.1253"></a> +<span class="sourceLineNo">1254</span> }<a name="line.1254"></a> +<span class="sourceLineNo">1255</span> }<a name="line.1255"></a> +<span class="sourceLineNo">1256</span><a name="line.1256"></a> +<span class="sourceLineNo">1257</span> /**<a name="line.1257"></a> +<span class="sourceLineNo">1258</span> * A Visitor for a table. Provides a consistent view of the table's<a name="line.1258"></a> +<span class="sourceLineNo">1259</span> * hbase:meta entries during concurrent splits (see HBASE-5986 for details). This class<a name="line.1259"></a> +<span class="sourceLineNo">1260</span> * does not guarantee ordered traversal of meta entries, and can block until the<a name="line.1260"></a> +<span class="sourceLineNo">1261</span> * hbase:meta entries for daughters are available during splits.<a name="line.1261"></a> +<span class="sourceLineNo">1262</span> */<a name="line.1262"></a> +<span class="sourceLineNo">1263</span> public static abstract class TableVisitorBase extends DefaultVisitorBase {<a name="line.1263"></a> +<span class="sourceLineNo">1264</span> private TableName tableName;<a name="line.1264"></a> +<span class="sourceLineNo">1265</span><a name="line.1265"></a> +<span class="sourceLineNo">1266</span> public TableVisitorBase(TableName tableName) {<a name="line.1266"></a> +<span class="sourceLineNo">1267</span> super();<a name="line.1267"></a> +<span class="sourceLineNo">1268</span> this.tableName = tableName;<a name="line.1268"></a> +<span class="sourceLineNo">1269</span> }<a 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class="sourceLineNo">1282</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1282"></a> -<span class="sourceLineNo">1283</span> * @param c Configuration object<a name="line.1283"></a> -<span class="sourceLineNo">1284</span> * @param tableName table name to count regions for<a name="line.1284"></a> -<span class="sourceLineNo">1285</span> * @return Count or regions in table <code>tableName</code><a name="line.1285"></a> -<span class="sourceLineNo">1286</span> * @throws IOException<a name="line.1286"></a> -<span class="sourceLineNo">1287</span> */<a name="line.1287"></a> -<span class="sourceLineNo">1288</span> public static int getRegionCount(final Configuration c, final TableName tableName)<a name="line.1288"></a> -<span class="sourceLineNo">1289</span> throws IOException {<a name="line.1289"></a> -<span class="sourceLineNo">1290</span> try (Connection connection = ConnectionFactory.createConnection(c)) {<a name="line.1290"></a> -<span class="sourceLineNo">1291</span> return getRegionCount(connection, tableName);<a name="line.1291"></a> -<span class="sourceLineNo">1292</span> }<a name="line.1292"></a> -<span class="sourceLineNo">1293</span> }<a name="line.1293"></a> -<span class="sourceLineNo">1294</span><a name="line.1294"></a> -<span class="sourceLineNo">1295</span> /**<a name="line.1295"></a> -<span class="sourceLineNo">1296</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1296"></a> -<span class="sourceLineNo">1297</span> * @param connection Connection object<a name="line.1297"></a> -<span class="sourceLineNo">1298</span> * @param tableName table name to count regions for<a name="line.1298"></a> -<span class="sourceLineNo">1299</span> * @return Count or regions in table <code>tableName</code><a name="line.1299"></a> -<span class="sourceLineNo">1300</span> * @throws IOException<a name="line.1300"></a> -<span class="sourceLineNo">1301</span> */<a name="line.1301"></a> -<span class="sourceLineNo">1302</span> public static int getRegionCount(final Connection connection, final TableName tableName)<a name="line.1302"></a> -<span class="sourceLineNo">1303</span> throws IOException {<a name="line.1303"></a> -<span class="sourceLineNo">1304</span> try (RegionLocator locator = connection.getRegionLocator(tableName)) {<a name="line.1304"></a> -<span class="sourceLineNo">1305</span> List<HRegionLocation> locations = locator.getAllRegionLocations();<a name="line.1305"></a> -<span class="sourceLineNo">1306</span> return locations == null? 0: locations.size();<a name="line.1306"></a> -<span class="sourceLineNo">1307</span> }<a name="line.1307"></a> -<span class="sourceLineNo">1308</span> }<a name="line.1308"></a> -<span class="sourceLineNo">1309</span><a name="line.1309"></a> -<span class="sourceLineNo">1310</span> ////////////////////////<a name="line.1310"></a> -<span class="sourceLineNo">1311</span> // Editing operations //<a name="line.1311"></a> -<span class="sourceLineNo">1312</span> ////////////////////////<a name="line.1312"></a> -<span class="sourceLineNo">1313</span><a name="line.1313"></a> -<span class="sourceLineNo">1314</span> /**<a name="line.1314"></a> -<span class="sourceLineNo">1315</span> * Generates and returns a Put containing the region into for the catalog table<a name="line.1315"></a> -<span class="sourceLineNo">1316</span> */<a name="line.1316"></a> -<span class="sourceLineNo">1317</span> public static Put makePutFromRegionInfo(RegionInfo regionInfo) throws IOException {<a name="line.1317"></a> -<span class="sourceLineNo">1318</span> return makePutFromRegionInfo(regionInfo, EnvironmentEdgeManager.currentTime());<a name="line.1318"></a> -<span class="sourceLineNo">1319</span> }<a name="line.1319"></a> -<span class="sourceLineNo">1320</span><a name="line.1320"></a> -<span class="sourceLineNo">1321</span> /**<a name="line.1321"></a> -<span class="sourceLineNo">1322</span> * Generates and returns a Put containing the region into for the catalog table<a name="line.1322"></a> -<span class="sourceLineNo">1323</span> */<a name="line.1323"></a> -<span class="sourceLineNo">1324</span> public static Put makePutFromRegionInfo(RegionInfo regionInfo, long ts) throws IOException {<a name="line.1324"></a> -<span class="sourceLineNo">1325</span> Put put = new Put(regionInfo.getRegionName(), ts);<a name="line.1325"></a> -<span class="sourceLineNo">1326</span> addRegionInfo(put, regionInfo);<a name="line.1326"></a> -<span class="sourceLineNo">1327</span> return put;<a name="line.1327"></a> -<span class="sourceLineNo">1328</span> }<a name="line.1328"></a> -<span class="sourceLineNo">1329</span><a name="line.1329"></a> -<span class="sourceLineNo">1330</span> /**<a name="line.1330"></a> -<span class="sourceLineNo">1331</span> * Generates and returns a Delete containing the region info for the catalog<a name="line.1331"></a> -<span class="sourceLineNo">1332</span> * table<a name="line.1332"></a> -<span class="sourceLineNo">1333</span> */<a name="line.1333"></a> -<span class="sourceLineNo">1334</span> public static Delete makeDeleteFromRegionInfo(RegionInfo regionInfo) {<a name="line.1334"></a> -<span class="sourceLineNo">1335</span> long now = EnvironmentEdgeManager.currentTime();<a name="line.1335"></a> -<span class="sourceLineNo">1336</span> return makeDeleteFromRegionInfo(regionInfo, now);<a name="line.1336"></a> -<span class="sourceLineNo">1337</span> }<a name="line.1337"></a> -<span class="sourceLineNo">1338</span><a name="line.1338"></a> -<span class="sourceLineNo">1339</span> /**<a name="line.1339"></a> -<span class="sourceLineNo">1340</span> * Generates and returns a Delete containing the region info for the catalog<a name="line.1340"></a> -<span class="sourceLineNo">1341</span> * table<a name="line.1341"></a> -<span class="sourceLineNo">1342</span> */<a name="line.1342"></a> -<span class="sourceLineNo">1343</span> public static Delete makeDeleteFromRegionInfo(RegionInfo regionInfo, long ts) {<a name="line.1343"></a> -<span class="sourceLineNo">1344</span> if (regionInfo == null) {<a name="line.1344"></a> -<span class="sourceLineNo">1345</span> throw new IllegalArgumentException("Can't make a delete for null region");<a name="line.1345"></a> -<span class="sourceLineNo">1346</span> }<a name="line.1346"></a> -<span class="sourceLineNo">1347</span> Delete delete = new Delete(regionInfo.getRegionName());<a name="line.1347"></a> -<span class="sourceLineNo">1348</span> delete.addFamily(getCatalogFamily(), ts);<a name="line.1348"></a> -<span class="sourceLineNo">1349</span> return delete;<a name="line.1349"></a> -<span class="sourceLineNo">1350</span> }<a name="line.1350"></a> -<span class="sourceLineNo">1351</span><a name="line.1351"></a> -<span class="sourceLineNo">1352</span> public static Put makeBarrierPut(byte[] encodedRegionName, long seq, byte[] tableName)<a name="line.1352"></a> -<span class="sourceLineNo">1353</span> throws IOException {<a name="line.1353"></a> -<span class="sourceLineNo">1354</span> byte[] seqBytes = Bytes.toBytes(seq);<a name="line.1354"></a> -<span class="sourceLineNo">1355</span> Put put = new Put(encodedRegionName);<a name="line.1355"></a> -<span class="sourceLineNo">1356</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1356"></a> -<span class="sourceLineNo">1357</span> .setRow(put.getRow())<a name="line.1357"></a> -<span class="sourceLineNo">1358</span> .setFamily(HConstants.REPLICATION_BARRIER_FAMILY)<a name="line.1358"></a> -<span class="sourceLineNo">1359</span> .setQualifier(seqBytes)<a name="line.1359"></a> -<span class="sourceLineNo">1360</span> .setTimestamp(put.getTimeStamp())<a name="line.1360"></a> -<span class="sourceLineNo">1361</span> .setType(Type.Put)<a name="line.1361"></a> -<span class="sourceLineNo">1362</span> .setValue(seqBytes)<a name="line.1362"></a> -<span class="sourceLineNo">1363</span> .build())<a name="line.1363"></a> -<span class="sourceLineNo">1364</span> .add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1364"></a> -<span class="sourceLineNo">1365</span> .setRow(put.getRow())<a name="line.1365"></a> -<span class="sourceLineNo">1366</span> .setFamily(HConstants.REPLICATION_META_FAMILY)<a name="line.1366"></a> -<span class="sourceLineNo">1367</span> .setQualifier(tableNameCq)<a name="line.1367"></a> -<span class="sourceLineNo">1368</span> .setTimestamp(put.getTimeStamp())<a name="line.1368"></a> -<span class="sourceLineNo">1369</span> .setType(Cell.Type.Put)<a name="line.1369"></a> -<span class="sourceLineNo">1370</span> .setValue(tableName)<a name="line.1370"></a> -<span class="sourceLineNo">1371</span> .build());<a name="line.1371"></a> -<span class="sourceLineNo">1372</span> return put;<a name="line.1372"></a> -<span class="sourceLineNo">1373</span> }<a name="line.1373"></a> -<span class="sourceLineNo">1374</span><a name="line.1374"></a> -<span class="sourceLineNo">1375</span><a name="line.1375"></a> -<span class="sourceLineNo">1376</span> public static Put makeDaughterPut(byte[] encodedRegionName, byte[] value) throws IOException {<a name="line.1376"></a> -<span class="sourceLineNo">1377</span> Put put = new Put(encodedRegionName);<a name="line.1377"></a> -<span class="sourceLineNo">1378</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1378"></a> -<span class="sourceLineNo">1379</span> .setRow(put.getRow())<a name="line.1379"></a> -<span class="sourceLineNo">1380</span> .setFamily(HConstants.REPLICATION_META_FAMILY)<a name="line.1380"></a> -<span class="sourceLineNo">1381</span> .setQualifier(daughterNameCq)<a name="line.1381"></a> -<span class="sourceLineNo">1382</span> .setTimestamp(put.getTimeStamp())<a name="line.1382"></a> -<span class="sourceLineNo">1383</span> .setType(Type.Put)<a name="line.1383"></a> -<span class="sourceLineNo">1384</span> .setValue(value)<a name="line.1384"></a> -<span class="sourceLineNo">1385</span> .build());<a name="line.1385"></a> -<span class="sourceLineNo">1386</span> return put;<a name="line.1386"></a> -<span class="sourceLineNo">1387</span> }<a name="line.1387"></a> -<span class="sourceLineNo">1388</span><a name="line.1388"></a> -<span class="sourceLineNo">1389</span> public static Put makeParentPut(byte[] encodedRegionName, byte[] value) throws IOException {<a name="line.1389"></a> -<span class="sourceLineNo">1390</span> Put put = new Put(encodedRegionName);<a name="line.1390"></a> -<span class="sourceLineNo">1391</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1391"></a> -<span class="sourceLineNo">1392</span> .setRow(put.getRow())<a name="line.1392"></a> -<span class="sourceLineNo">1393</span> .setFamily(HConstants.REPLICATION_META_FAMILY)<a name="line.1393"></a> -<span class="sourceLineNo">1394</span> .setQualifier(parentNameCq)<a name="line.1394"></a> -<span class="sourceLineNo">1395</span> 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Initial state for new regions<a name="line.1602"></a> -<span class="sourceLineNo">1603</span> * is CLOSED.<a name="line.1603"></a> -<span class="sourceLineNo">1604</span> * @param connection connection we're using<a name="line.1604"></a> -<span class="sourceLineNo">1605</span> * @param regionInfos region information list<a name="line.1605"></a> -<span class="sourceLineNo">1606</span> * @throws IOException if problem connecting or updating meta<a name="line.1606"></a> -<span class="sourceLineNo">1607</span> */<a name="line.1607"></a> -<span class="sourceLineNo">1608</span> public static void addRegionsToMeta(Connection connection, List<RegionInfo> regionInfos,<a name="line.1608"></a> -<span class="sourceLineNo">1609</span> int regionReplication) throws IOException {<a name="line.1609"></a> -<span class="sourceLineNo">1610</span> addRegionsToMeta(connection, regionInfos, regionReplication, HConstants.LATEST_TIMESTAMP);<a name="line.1610"></a> -<span class="sourceLineNo">1611</span> }<a name="line.1611"></a> -<span class="sourceLineNo">1612</span> /**<a name="line.1612"></a> -<span class="sourceLineNo">1613</span> * Adds a hbase:meta row for each of the specified new regions. 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Deletes the two<a name="line.1642"></a> -<span class="sourceLineNo">1643</span> * merging regions in hbase:meta and adds the merged region with the information of<a name="line.1643"></a> -<span class="sourceLineNo">1644</span> * two merging regions.<a name="line.1644"></a> -<span class="sourceLineNo">1645</span> * @param connection connection we're using<a name="line.1645"></a> -<span class="sourceLineNo">1646</span> * @param mergedRegion the merged region<a name="line.1646"></a> -<span class="sourceLineNo">1647</span> * @param regionA<a name="line.1647"></a> -<span class="sourceLineNo">1648</span> * @param regionB<a name="line.1648"></a> -<span class="sourceLineNo">1649</span> * @param sn the location of the region<a name="line.1649"></a> -<span class="sourceLineNo">1650</span> * @param masterSystemTime<a name="line.1650"></a> -<span class="sourceLineNo">1651</span> * @param saveBarrier true if need save replication barrier in meta, used for serial replication<a name="line.1651"></a> -<span class="sourceLineNo">1652</span> * @throws IOException<a name="line.1652"></a> -<span class="sourceLineNo">1653</span> */<a name="line.1653"></a> -<span class="sourceLineNo">1654</span> public static void mergeRegions(final Connection connection, RegionInfo mergedRegion,<a name="line.1654"></a> -<span class="sourceLineNo">1655</span> RegionInfo regionA, RegionInfo regionB, ServerName sn, int regionReplication,<a name="line.1655"></a> -<span class="sourceLineNo">1656</span> long masterSystemTime, boolean saveBarrier)<a name="line.1656"></a> -<span class="sourceLineNo">1657</span> throws IOException {<a name="line.1657"></a> -<span class="sourceLineNo">1658</span> Table meta = getMetaHTable(connection);<a name="line.1658"></a> -<span class="sourceLineNo">1659</span> try {<a name="line.1659"></a> -<span class="sourceLineNo">1660</span> // use the maximum of what master passed us vs local time.<a name="line.1660"></a> -<span class="sourceLineNo">1661</span> long time = Math.max(EnvironmentEdgeManager.currentTime(), masterSystemTime);<a name="line.1661"></a> -<span class="sourceLineNo">1662</span><a name="line.1662"></a> -<span class="sourceLineNo">1663</span> // Put for parent<a name="line.1663"></a> -<span class="sourceLineNo">1664</span> Put putOfMerged = makePutFromRegionInfo(mergedRegion, time);<a name="line.1664"></a> -<span class="sourceLineNo">1665</span> putOfMerged.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1665"></a> -<span class="sourceLineNo">1666</span> .setRow(putOfMerged.getRow())<a name="line.1666"></a> -<span class="sourceLineNo">1667</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.1667"></a> -<span class="sourceLineNo">1668</span> .setQualifier(HConstants.MERGEA_QUALIFIER)<a name="line.1668"></a> -<span class="sourceLineNo">1669</span> .setTimestamp(putOfMerged.getTimeStamp())<a name="line.1669"></a> -<span class="sourceLineNo">1670</span> .setType(Type.Put)<a name="line.1670"></a> -<span class="sourceLineNo">1671</span> .setValue(RegionInfo.toByteArray(regionA))<a name="line.1671"></a> -<span class="sourceLineNo">1672</span> .build())<a name="line.1672"></a> -<span class="sourceLineNo">1673</span> .add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1673"></a> -<span class="sourceLineNo">1674</span> .setRow(putOfMerged.getRow())<a name="line.1674"></a> -<span class="sourceLineNo">1675</span> .setFamily(HConstants.CATALOG_FAMILY)<a name="line.1675"></a> -<span class="sourceLineNo">1676</span> .setQualifier(HConstants.MERGEB_QUALIFIER)<a name="line.1676"></a> -<span class="sourceLineNo">1677</span> .setTimestamp(putOfMerged.getTimeStamp())<a name="line.1677"></a> -<span class="sourceLineNo">1678</span> .setType(Type.Put)<a name="line.1678"></a> -<span class="sourceLineNo">1679</span> .setValue(RegionInfo.toByteArray(regionB))<a name="line.1679"></a> -<span class="sourceLineNo">1680</span> .build());<a name="line.1680"></a> -<span class="sourceLineNo">1681</span><a name="line.1681"></a> -<span class="sourceLineNo">1682</span> // Set initial state to CLOSED<a name="line.1682"></a> -<span class="sourceLineNo">1683</span> // NOTE: If initial state is not set to CLOSED then merged region gets added with the<a name="line.1683"></a> -<span class="sourceLineNo">1684</span> // default OFFLINE state. If Master gets restarted after this step, start up sequence of<a name="line.1684"></a> -<span class="sourceLineNo">1685</span> // master tries to assign this offline region. This is followed by re-assignments of the<a name="line.1685"></a> -<span class="sourceLineNo">1686</span> // merged region from resumed {@link MergeTableRegionsProcedure}<a name="line.1686"></a> -<span class="sourceLineNo">1687</span> addRegionStateToPut(putOfMerged, RegionState.State.CLOSED);<a name="line.1687"></a> -<span class="sourceLineNo">1688</span><a name="line.1688"></a> -<span class="sourceLineNo">1689</span> // Deletes for merging regions<a name="line.1689"></a> -<span class="sourceLineNo">1690</span> Delete deleteA = makeDeleteFromRegionInfo(regionA, time);<a name="line.1690"></a> -<span class="sourceLineNo">1691</span> Delete deleteB = makeDeleteFromRegionInfo(regionB, time);<a name="line.1691"></a> -<span class="sourceLineNo">1692</span><a name="line.1692"></a> -<span class="sourceLineNo">1693</span> // The merged is a new region, openSeqNum = 1 is fine. ServerName may be null<a name="line.1693"></a> -<span class="sourceLineNo">1694</span> // if crash after merge happened but before we got to here.. means in-memory<a name="line.1694"></a> -<span class="sourceLineNo">1695</span> // locations of offlined merged, now-closed, regions is lost. Should be ok. We<a name="line.1695"></a> -<span class="sourceLineNo">1696</span> // assign the merged region later.<a name="line.1696"></a> -<span class="sourceLineNo">1697</span> if (sn != null) addLocation(putOfMerged, sn, 1, -1, mergedRegion.getReplicaId());<a name="line.1697"></a> -<span class="sourceLineNo">1698</span><a name="line.1698"></a> -<span class="sourceLineNo">1699</span> // Add empty locations for region replicas of the merged region so that number of replicas can<a name="line.1699"></a> -<span class="sourceLineNo">1700</span> // be cached whenever the primary region is looked up from meta<a name="line.1700"></a> -<span class="sourceLineNo">1701</span> for (int i = 1; i < regionReplication; i++) {<a name="line.1701"></a> -<span class="sourceLineNo">1702</span> addEmptyLocation(putOfMerged, i);<a name="line.1702"></a> -<span class="sourceLineNo">1703</span> }<a name="line.1703"></a> -<span class="sourceLineNo">1704</span><a name="line.1704"></a> -<span class="sourceLineNo">1705</span> byte[] tableRow = Bytes.toBytes(mergedRegion.getRegionNameAsString()<a name="line.1705"></a> -<span class="sourceLineNo">1706</span> + HConstants.DELIMITER);<a name="line.1706"></a> -<span class="sourceLineNo">1707</span> Mutation[] mutations;<a name="line.1707"></a> -<span class="sourceLineNo">1708</span> if (saveBarrier) {<a name="line.1708"></a> -<span class="sourceLineNo">1709</span> Put putBarrierA = makeDaughterPut(regionA.getEncodedNameAsBytes(),<a name="line.1709"></a> -<span class="sourceLineNo">1710</span> mergedRegion.getEncodedNameAsBytes());<a name="line.1710"></a> -<span class="sourceLineNo">1711</span> Put putBarrierB = makeDaughterPut(regionB.getEncodedNameAsBytes(),<a name="line.1711"></a> -<span class="sourceLineNo">1712</span> mergedRegion.getEncodedNameAsBytes());<a name="line.1712"></a> -<span class="sourceLineNo">1713</span> Put putDaughter = makeParentPut(mergedRegion.getEncodedNameAsBytes(), Bytes.toBytes(<a name="line.1713"></a> -<span class="sourceLineNo">1714</span> regionA.getEncodedName() + "," + regionB.getEncodedName()));<a name="line.1714"></a> -<span class="sourceLineNo">1715</span> mutations = new Mutation[] { putOfMerged, deleteA, deleteB,<a name="line.1715"></a> -<span class="sourceLineNo">1716</span> putBarrierA, putBarrierB, putDaughter};<a name="line.1716"></a> -<span class="sourceLineNo">1717</span> } else {<a name="line.1717"></a> -<span class="sourceLineNo">1718</span> mutations = new Mutation[] { putOfMerged, deleteA, deleteB };<a name="line.1718"></a> -<span class="sourceLineNo">1719</span> }<a name="line.1719"></a> -<span class="sourceLineNo">1720</span> multiMutate(connection, meta, tableRow, mutations);<a name="line.1720"></a> -<span class="sourceLineNo">1721</span> } finally {<a name="line.1721"></a> -<span class="sourceLineNo">1722</span> meta.close();<a name="line.1722"></a> -<span class="sourceLineNo">1723</span> }<a name="line.1723"></a> -<span class="sourceLineNo">1724</span> }<a name="line.1724"></a> -<span class="sourceLineNo">1725</span><a name="line.1725"></a> -<span class="sourceLineNo">1726</span> /**<a name="line.1726"></a> -<span class="sourceLineNo">1727</span> * Splits the region into two in an atomic operation. Offlines the parent<a name="line.1727"></a> -<span class="sourceLineNo">1728</span> * region with the information that it is split into two, and also adds<a name="line.1728"></a> -<span class="sourceLineNo">1729</span> * the daughter regions. Does not add the location information to the daughter<a name="line.1729"></a> -<span class="sourceLineNo">1730</span> * regions since they are not open yet.<a name="line.1730"></a> -<span class="sourceLineNo">1731</span> * @param connection connection we're using<a name="line.1731"></a> -<span class="sourceLineNo">1732</span> * @param parent the parent region which is split<a name="line.1732"></a> -<span class="sourceLineNo">1733</span> * @param splitA Split daughter region A<a name="line.1733"></a> -<span class="sourceLineNo">1734</span> * @param splitB Split daughter region A<a name="line.1734"></a> -<span class="sourceLineNo">1735</span> * @param sn the location of the region<a name="line.1735"></a> -<span class="sourceLineNo">1736</span> * @param saveBarrier true if need save replication barrier in meta, used for serial replication<a name="line.1736"></a> -<span class="sourceLineNo">1737</span> */<a name="line.1737"></a> -<span class="sourceLineNo">1738</span> public static void splitRegion(final Connection connection, RegionInfo parent,<a name="line.1738"></a> -<span class="sourceLineNo">1739</span> RegionInfo splitA, RegionInfo splitB, ServerName sn, int regionReplication,<a name="line.1739"></a> -<span class="sourceLineNo">1740</span> boolean saveBarrier) throws IOException {<a name="line.1740"></a> -<span class="sourceLineNo">1741</span> Table meta = getMetaHTable(connection);<a name="line.1741"></a> -<span class="sourceLineNo">1742</span> try {<a name="line.1742"></a> -<span class="sourceLineNo">1743</span> //Put for parent<a name="line.1743"></a> -<span class="sourceLineNo">1744</span> Put putParent = makePutFromRegionInfo(RegionInfoBuilder.newBuilder(parent)<a name="line.1744"></a> -<span class="sourceLineNo">1745</span> .setOffline(true)<a name="line.1745"></a> -<span class="sourceLineNo">1746</span> .setSplit(true).build());<a name="line.1746"></a> -<span class="sourceLineNo">1747</span> addDaughtersToPut(putParent, splitA, splitB);<a name="line.1747"></a> -<span class="sourceLineNo">1748</span><a name="line.1748"></a> -<span class="sourceLineNo">1749</span> //Puts for daughters<a name="line.1749"></a> -<span class="sourceLineNo">1750</span> Put putA = makePutFromRegionInfo(splitA);<a name="line.1750"></a> -<span class="sourceLineNo">1751</span> Put putB = makePutFromRegionInfo(splitB);<a name="line.1751"></a> -<span class="sourceLineNo">1752</span><a name="line.1752"></a> -<span class="sourceLineNo">1753</span> // Set initial state to CLOSED<a name="line.1753"></a> -<span class="sourceLineNo">1754</span> // NOTE: If initial state is not set to CLOSED then daughter regions get added with the<a name="line.1754"></a> -<span class="sourceLineNo">1755</span> // default OFFLINE state. If Master gets restarted after this step, start up sequence of<a name="line.1755"></a> -<span class="sourceLineNo">1756</span> // master tries to assign these offline regions. This is followed by re-assignments of the<a name="line.1756"></a> -<span class="sourceLineNo">1757</span> // daughter regions from resumed {@link SplitTableRegionProcedure}<a name="line.1757"></a> -<span class="sourceLineNo">1758</span> addRegionStateToPut(putA, RegionState.State.CLOSED);<a name="line.1758"></a> -<span class="sourceLineNo">1759</span> addRegionStateToPut(putA, RegionState.State.CLOSED);<a name="line.1759"></a> -<span class="sourceLineNo">1760</span><a name="line.1760"></a> -<span class="sourceLineNo">1761</span> addSequenceNum(putA, 1, -1, splitA.getReplicaId()); //new regions, openSeqNum = 1 is fine.<a name="line.1761"></a> -<span class="sourceLineNo">1762</span> addSequenceNum(putB, 1, -1, splitB.getReplicaId());<a name="line.1762"></a> +<span class="sourceLineNo">1277</span> if (!(info.getTable().equals(tableName))) {<a name="line.1277"></a> +<span class="sourceLineNo">1278</span> return false;<a name="line.1278"></a> +<span class="sourceLineNo">1279</span> }<a name="line.1279"></a> +<span class="sourceLineNo">1280</span> return super.visit(rowResult);<a name="line.1280"></a> +<span class="sourceLineNo">1281</span> }<a name="line.1281"></a> +<span class="sourceLineNo">1282</span> }<a name="line.1282"></a> +<span class="sourceLineNo">1283</span><a name="line.1283"></a> +<span class="sourceLineNo">1284</span> /**<a name="line.1284"></a> +<span class="sourceLineNo">1285</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1285"></a> +<span class="sourceLineNo">1286</span> * @param c Configuration object<a name="line.1286"></a> +<span class="sourceLineNo">1287</span> * @param tableName table name to count regions for<a name="line.1287"></a> +<span class="sourceLineNo">1288</span> * @return Count or regions in table <code>tableName</code><a name="line.1288"></a> +<span class="sourceLineNo">1289</span> * @throws IOException<a name="line.1289"></a> +<span class="sourceLineNo">1290</span> */<a name="line.1290"></a> +<span class="sourceLineNo">1291</span> public static int getRegionCount(final Configuration c, final TableName tableName)<a name="line.1291"></a> +<span class="sourceLineNo">1292</span> throws IOException {<a name="line.1292"></a> +<span class="sourceLineNo">1293</span> try (Connection connection = ConnectionFactory.createConnection(c)) {<a name="line.1293"></a> +<span class="sourceLineNo">1294</span> return getRegionCount(connection, tableName);<a name="line.1294"></a> +<span class="sourceLineNo">1295</span> }<a name="line.1295"></a> +<span class="sourceLineNo">1296</span> }<a name="line.1296"></a> +<span class="sourceLineNo">1297</span><a name="line.1297"></a> +<span class="sourceLineNo">1298</span> /**<a name="line.1298"></a> +<span class="sourceLineNo">1299</span> * Count regions in <code>hbase:meta</code> for passed table.<a name="line.1299"></a> +<span class="sourceLineNo">1300</span> * @param connection Connection object<a name="line.1300"></a> +<span class="sourceLineNo">1301</span> * @param tableName table name to count regions for<a name="line.1301"></a> +<span class="sourceLineNo">1302</span> * @return Count or regions in table <code>tableName</code><a name="line.1302"></a> +<span class="sourceLineNo">1303</span> * @throws IOException<a name="line.1303"></a> +<span class="sourceLineNo">1304</span> */<a name="line.1304"></a> +<span class="sourceLineNo">1305</span> public static int getRegionCount(final Connection connection, final TableName tableName)<a name="line.1305"></a> +<span class="sourceLineNo">1306</span> throws IOException {<a name="line.1306"></a> +<span class="sourceLineNo">1307</span> try (RegionLocator locator = connection.getRegionLocator(tableName)) {<a name="line.1307"></a> +<span class="sourceLineNo">1308</span> List<HRegionLocation> locations = locator.getAllRegionLocations();<a name="line.1308"></a> +<span class="sourceLineNo">1309</span> return locations == null? 0: locations.size();<a name="line.1309"></a> +<span class="sourceLineNo">1310</span> }<a name="line.1310"></a> +<span class="sourceLineNo">1311</span> }<a name="line.1311"></a> +<span class="sourceLineNo">1312</span><a name="line.1312"></a> +<span class="sourceLineNo">1313</span> ////////////////////////<a name="line.1313"></a> +<span class="sourceLineNo">1314</span> // Editing operations //<a name="line.1314"></a> +<span class="sourceLineNo">1315</span> ////////////////////////<a name="line.1315"></a> +<span class="sourceLineNo">1316</span><a name="line.1316"></a> +<span class="sourceLineNo">1317</span> /**<a name="line.1317"></a> +<span class="sourceLineNo">1318</span> * Generates and returns a Put containing the region into for the catalog table<a name="line.1318"></a> +<span class="sourceLineNo">1319</span> */<a name="line.1319"></a> +<span class="sourceLineNo">1320</span> public static Put makePutFromRegionInfo(RegionInfo regionInfo) throws IOException {<a name="line.1320"></a> +<span class="sourceLineNo">1321</span> return makePutFromRegionInfo(regionInfo, EnvironmentEdgeManager.currentTime());<a name="line.1321"></a> +<span class="sourceLineNo">1322</span> }<a name="line.1322"></a> +<span class="sourceLineNo">1323</span><a name="line.1323"></a> +<span class="sourceLineNo">1324</span> /**<a name="line.1324"></a> +<span class="sourceLineNo">1325</span> * Generates and returns a Put containing the region into for the catalog table<a name="line.1325"></a> +<span class="sourceLineNo">1326</span> */<a name="line.1326"></a> +<span class="sourceLineNo">1327</span> public static Put makePutFromRegionInfo(RegionInfo regionInfo, long ts) throws IOException {<a name="line.1327"></a> +<span class="sourceLineNo">1328</span> Put put = new Put(regionInfo.getRegionName(), ts);<a name="line.1328"></a> +<span class="sourceLineNo">1329</span> addRegionInfo(put, regionInfo);<a name="line.1329"></a> +<span class="sourceLineNo">1330</span> return put;<a name="line.1330"></a> +<span class="sourceLineNo">1331</span> }<a name="line.1331"></a> +<span class="sourceLineNo">1332</span><a name="line.1332"></a> +<span class="sourceLineNo">1333</span> /**<a name="line.1333"></a> +<span class="sourceLineNo">1334</span> * Generates and returns a Delete containing the region info for the catalog<a name="line.1334"></a> +<span class="sourceLineNo">1335</span> * table<a name="line.1335"></a> +<span class="sourceLineNo">1336</span> */<a name="line.1336"></a> +<span class="sourceLineNo">1337</span> public static Delete makeDeleteFromRegionInfo(RegionInfo regionInfo) {<a name="line.1337"></a> +<span class="sourceLineNo">1338</span> long now = EnvironmentEdgeManager.currentTime();<a name="line.1338"></a> +<span class="sourceLineNo">1339</span> return makeDeleteFromRegionInfo(regionInfo, now);<a name="line.1339"></a> +<span class="sourceLineNo">1340</span> }<a name="line.1340"></a> +<span class="sourceLineNo">1341</span><a name="line.1341"></a> +<span class="sourceLineNo">1342</span> /**<a name="line.1342"></a> +<span class="sourceLineNo">1343</span> * Generates and returns a Delete containing the region info for the catalog<a name="line.1343"></a> +<span class="sourceLineNo">1344</span> * table<a name="line.1344"></a> +<span class="sourceLineNo">1345</span> */<a name="line.1345"></a> +<span class="sourceLineNo">1346</span> public static Delete makeDeleteFromRegionInfo(RegionInfo regionInfo, long ts) {<a name="line.1346"></a> +<span class="sourceLineNo">1347</span> if (regionInfo == null) {<a name="line.1347"></a> +<span class="sourceLineNo">1348</span> throw new IllegalArgumentException("Can't make a delete for null region");<a name="line.1348"></a> +<span class="sourceLineNo">1349</span> }<a name="line.1349"></a> +<span class="sourceLineNo">1350</span> Delete delete = new Delete(regionInfo.getRegionName());<a name="line.1350"></a> +<span class="sourceLineNo">1351</span> delete.addFamily(getCatalogFamily(), ts);<a name="line.1351"></a> +<span class="sourceLineNo">1352</span> return delete;<a name="line.1352"></a> +<span class="sourceLineNo">1353</span> }<a name="line.1353"></a> +<span class="sourceLineNo">1354</span><a name="line.1354"></a> +<span class="sourceLineNo">1355</span> public static Put makeBarrierPut(byte[] encodedRegionName, long seq, byte[] tableName)<a name="line.1355"></a> +<span class="sourceLineNo">1356</span> throws IOException {<a name="line.1356"></a> +<span class="sourceLineNo">1357</span> byte[] seqBytes = Bytes.toBytes(seq);<a name="line.1357"></a> +<span class="sourceLineNo">1358</span> Put put = new Put(encodedRegionName);<a name="line.1358"></a> +<span class="sourceLineNo">1359</span> put.add(CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY)<a name="line.1359"></a> +<span class="sourceLineNo">1360</span> .setRow(put.getRow())<a name="line.1360"></a> +<span class="sourceLineNo">1361</span> .setF
<TRUNCATED>
