Shant Hovsepian 6d87fe090c Improve Hll estimate for small cardinalities. ...

Based on Google's HyperLogLog++ paper. Uses a bias correcting
interpolation as a sub algorithm for Hll estimates within a specific
range.

Change-Id: If4fe692b4308f6a57aea6167e9bc00db11eaaab9
Reviewed-on: http://gerrit.cloudera.org:8080/415
Tested-by: Internal Jenkins
Reviewed-by: Henry Robinson <henry@cloudera.com>

2015-07-16 19:38:17 +00:00

..

AllTypesError

Fix IMP-297

2014-01-08 10:46:44 -08:00

AllTypesErrorNoNulls

Timestamp data type implimentation.

2012-03-22 21:38:18 -07:00

avro_schema_resolution

Enable loading metadata from the hive metastore snapshot and cleanup build scripts.

2014-12-19 13:41:00 -08:00

bad_seq_snap

Add HdfsLzoTextScanner

2014-01-08 10:46:35 -08:00

bad_text_gzip

Add support for streaming decompression of gzip text

2014-11-23 01:55:55 -08:00

bad_text_lzo

Add HdfsLzoTextScanner

2014-01-08 10:46:35 -08:00

bin

Add loading by partitions option to the loaded_nested script

2015-07-02 03:34:53 +00:00

cluster

Use Isilon as the default file system when running Isilon tests.

2015-06-11 01:23:11 +00:00

common

Fix packaging build for Python 2.4

2015-05-19 17:13:33 +00:00

data

IMPALA-2130: Wrong verification of Parquet file version

2015-07-14 02:52:02 +00:00

datasets

IMPALA-2130: Wrong verification of Parquet file version

2015-07-14 02:52:02 +00:00

DimTbl

adding outer joins plus new tests

2011-09-28 09:02:07 -07:00

hive_benchmark

Perf Work:

2011-12-30 00:26:27 -08:00

ImpalaDemoDataset

Test data loading framework improvements

2014-01-08 10:46:49 -08:00

JoinTbl

adding outer joins plus new tests

2011-09-28 09:02:07 -07:00

LikeTbl

Fix null string parsing.

2014-01-08 10:44:40 -08:00

llvm

Move IR cross compile output to a better folder for packaging.

2012-06-01 13:14:18 -07:00

NullTable

IMPALA-13: Use SSE string functions that take an explicit length

2014-04-11 11:16:24 -07:00

src/main/java/com/cloudera/impala/datagenerator

Fix HBase region splitting for tests.

2014-09-25 18:44:28 -07:00

TblWithRaggedColumns

IMP-380 handle '\r' at end of row.

2014-01-08 10:46:14 -08:00

TinyIntTable

IMP-232: Parallel INSERT OVERWRITE

2014-01-08 10:45:04 -08:00

TinyTable

When a scan range begins at the starting point fo the tuple, we'll missed that tuple. This patch fixes

2014-01-08 10:44:24 -08:00

tinytable_seq_snap

IMPALA-362: impalad hangs when read sequence file without contents

2014-01-08 10:50:49 -08:00

udfs

IMPALA-786: Drop function should clear library cache.

2014-02-10 18:51:39 -08:00

UnsupportedTypes

IMPALA-138: Error messages for unknown column types are particularly bad.

2014-01-08 10:48:53 -08:00

workloads

Improve Hll estimate for small cardinalities.

2015-07-16 19:38:17 +00:00

__init__.py

CDH-18416: Don't inline ReadWriteUtil::ReadZLong()

2014-04-28 15:58:15 -07:00

.gitignore

Change all "Status Close()" to "void Close()"

2014-01-08 10:52:38 -08:00

pom.xml

Upgrade a few important mvn plugins.

2015-05-20 03:12:57 +00:00