OOM when writing a table with 1700 columns in hive

When running insert into <tablename> select * from <source> following exception were thrown. There are 1700 columns (all string), and total length of a single row is around 7000 bytes.

Yarn container size has been increased from 1GB to 4GB. Not quit helping.

FATAL [main] org.apache.hadoop.mapred.YarnChild: Error running child : java.lang.OutOfMemoryError: Java heap space
at parquet.column.values.dictionary.IntList.initSlab(IntList.java:90)
at parquet.column.values.dictionary.IntList.<init>(IntList.java:86)
at parquet.column.values.dictionary.DictionaryValuesWriter.<init>(DictionaryValuesWriter.java:93)
at parquet.column.values.dictionary.DictionaryValuesWriter$PlainBinaryDictionaryValuesWriter.<init>(DictionaryValuesWriter.java:229)
at parquet.column.ParquetProperties.dictionaryWriter(ParquetProperties.java:131)
at parquet.column.ParquetProperties.dictWriterWithFallBack(ParquetProperties.java:178)
at parquet.column.ParquetProperties.getValuesWriter(ParquetProperties.java:203)
at parquet.column.impl.ColumnWriterV1.<init>(ColumnWriterV1.java:84)
at parquet.column.impl.ColumnWriteStoreV1.newMemColumn(ColumnWriteStoreV1.java:68)
at parquet.column.impl.ColumnWriteStoreV1.getColumnWriter(ColumnWriteStoreV1.java:56)
at parquet.io.MessageColumnIO$MessageColumnIORecordConsumer.<init>(MessageColumnIO.java:183)
at parquet.io.MessageColumnIO.getRecordWriter(MessageColumnIO.java:375)
at parquet.hadoop.InternalParquetRecordWriter.initStore(InternalParquetRecordWriter.java:107)
at parquet.hadoop.InternalParquetRecordWriter.checkBlockSizeReached(InternalParquetRecordWriter.java:127)
at parquet.hadoop.InternalParquetRecordWriter.write(InternalParquetRecordWriter.java:118)
at parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:123)
at parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:42)
at org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:111)
at org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:124)
at org.apache.hadoop.hive.ql.exec.FileSinkOperator.processOp(FileSinkOperator.java:695)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:815)
at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:84)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:815)
at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:95)
at org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:157)
at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:497)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:170)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
at java.security.AccessController.doPrivileged(Native Method)