Java Code Examples for org.apache.hadoop.hbase.MetaTableAccessor#addDaughtersToPut()
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org.apache.hadoop.hbase.MetaTableAccessor#addDaughtersToPut() .
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Example 1
Source File: IndexSplitTransaction.java From phoenix with Apache License 2.0 | 6 votes |
private void offlineParentInMetaAndputMetaEntries(Connection conn, HRegionInfo parent, HRegionInfo splitA, HRegionInfo splitB, ServerName serverName, List<Mutation> metaEntries) throws IOException { List<Mutation> mutations = metaEntries; HRegionInfo copyOfParent = new HRegionInfo(parent); copyOfParent.setOffline(true); copyOfParent.setSplit(true); //Put for parent Put putParent = MetaTableAccessor.makePutFromRegionInfo(copyOfParent); MetaTableAccessor.addDaughtersToPut(putParent, splitA, splitB); mutations.add(putParent); //Puts for daughters Put putA = MetaTableAccessor.makePutFromRegionInfo(splitA); Put putB = MetaTableAccessor.makePutFromRegionInfo(splitB); addLocation(putA, serverName, 1); //these are new regions, openSeqNum = 1 is fine. addLocation(putB, serverName, 1); mutations.add(putA); mutations.add(putB); MetaTableAccessor.mutateMetaTable(conn, mutations); }
Example 2
Source File: LocalIndexSplitter.java From phoenix with Apache License 2.0 | 4 votes |
@Override public void preSplitBeforePONR(ObserverContext<RegionCoprocessorEnvironment> ctx, byte[] splitKey, List<Mutation> metaEntries) throws IOException { RegionCoprocessorEnvironment environment = ctx.getEnvironment(); HTableDescriptor tableDesc = ctx.getEnvironment().getRegion().getTableDesc(); if (SchemaUtil.isSystemTable(tableDesc.getName())) { return; } RegionServerServices rss = ctx.getEnvironment().getRegionServerServices(); if (tableDesc.getValue(MetaDataUtil.IS_LOCAL_INDEX_TABLE_PROP_BYTES) == null || !Boolean.TRUE.equals(PBoolean.INSTANCE.toObject(tableDesc .getValue(MetaDataUtil.IS_LOCAL_INDEX_TABLE_PROP_BYTES)))) { TableName indexTable = TableName.valueOf(MetaDataUtil.getLocalIndexPhysicalName(tableDesc.getName())); if (!MetaTableAccessor.tableExists(rss.getConnection(), indexTable)) return; HRegion indexRegion = IndexUtil.getIndexRegion(environment); if (indexRegion == null) { LOG.warn("Index region corresponindg to data region " + environment.getRegion() + " not in the same server. So skipping the split."); ctx.bypass(); return; } try { int encodedVersion = VersionUtil.encodeVersion(environment.getHBaseVersion()); if(encodedVersion >= SPLIT_TXN_MINIMUM_SUPPORTED_VERSION) { st = new SplitTransaction(indexRegion, splitKey); st.useZKForAssignment = environment.getConfiguration().getBoolean("hbase.assignment.usezk", true); } else { st = new IndexSplitTransaction(indexRegion, splitKey); } if (!st.prepare()) { LOG.error("Prepare for the table " + indexRegion.getTableDesc().getNameAsString() + " failed. So returning null. "); ctx.bypass(); return; } indexRegion.forceSplit(splitKey); daughterRegions = st.stepsBeforePONR(rss, rss, false); HRegionInfo copyOfParent = new HRegionInfo(indexRegion.getRegionInfo()); copyOfParent.setOffline(true); copyOfParent.setSplit(true); // Put for parent Put putParent = MetaTableAccessor.makePutFromRegionInfo(copyOfParent); MetaTableAccessor.addDaughtersToPut(putParent, daughterRegions.getFirst().getRegionInfo(), daughterRegions.getSecond().getRegionInfo()); metaEntries.add(putParent); // Puts for daughters Put putA = MetaTableAccessor.makePutFromRegionInfo( daughterRegions.getFirst().getRegionInfo()); Put putB = MetaTableAccessor.makePutFromRegionInfo( daughterRegions.getSecond().getRegionInfo()); st.addLocation(putA, rss.getServerName(), 1); st.addLocation(putB, rss.getServerName(), 1); metaEntries.add(putA); metaEntries.add(putB); } catch (Exception e) { ctx.bypass(); LOG.warn("index region splitting failed with the exception ", e); if (st != null){ st.rollback(rss, rss); st = null; daughterRegions = null; } } } }