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[HIVE-9303] Parquet files are written with incorrect definition levels - Hive - [issue]
...The definition level, which determines which level of nesting is NULL, appears to always be n or n-1, where n is the maximum definition level. This means that only the innermost level of nes...
http://issues.apache.org/jira/browse/HIVE-9303    Author: Skye Wanderman-Milne, 2015-01-29, 01:48
[expand - 2 more] - Re: some field cannot appear in group by statement - Impala - [mail # user]
...If the 'manu' and 'model' fields are not in the GROUP BY statement, youmust also remove the UDF calls in the select statement, correct? The UDFcalls are what's causing the query to never com...
   Author: Skye Wanderman-Milne, 2015-01-29, 01:17
[IMPALA-1702] "invalidate metadata" can cause duplicate TableIds - Impala - [issue]
...CatalogServiceCatalog.reset() sets the table ID counter to 0, which is protected by the catalog lock. However, TableLoadingMgr.load() calls catalog_.getNextTableId() without taking the lock....
http://issues.cloudera.org/browse/IMPALA-1702    Author: Skye Wanderman-Milne, 2015-01-27, 07:14
[IMPALA-1597] Implement typeOf() builtin functions - Impala - [issue]
...e.g. typeOf(bigint_col) -> "BIGINT"...
http://issues.cloudera.org/browse/IMPALA-1597    Author: Skye Wanderman-Milne, 2015-01-22, 00:33
[expand - 1 more] - Re: impalad crash when query the decimal data with join statement - Impala - [mail # user]
...Hi Binbin,The problem is that I cannot reproduce the crash, and the stack trace youprovided is helpful but doesn't give me enough information to find the bug.I tried creating a simple table ...
   Author: Skye Wanderman-Milne, 2015-01-16, 19:59
[expand - 1 more] - Re: cannot load jar file when select and insert statements nested application for java UDF - Impala - [mail # user]
...Would it be possible to share your code with us? You can email me privatelyif you do not want to share it on the list.On Thu, Dec 11, 2014 at 7:35 PM, Arvin  wrote:To unsubscribe from t...
   Author: Skye Wanderman-Milne, 2014-12-12, 21:41
[IMPALA-1605] Cancellation takes a long time if there are slow exprs - Impala - [issue]
...Impala generally checks for cancellation once per row batch, which by default is 1024 rows. However, if each row is very expensive to evaluate (e.g. involves a very complicated regular expre...
http://issues.cloudera.org/browse/IMPALA-1605    Author: Skye Wanderman-Milne, 2014-12-11, 22:49
Re: Cancel query but executing fragments are not canceled - Impala - [mail # user]
...Hi Binglin,It can take a long time for the fragment to "see" the cancellation and stoprunning when there's a very slow function evaluation. Once it's in thisstate, unfortunately your only op...
   Author: Skye Wanderman-Milne, 2014-12-11, 21:42
[IMPALA-1596] Builtin decimal UDFs should switch on byte size - Impala - [issue]
...Some the builtin decimal functions assume they can always use the val16 union field of a DecimalType. This isn't actually a valid assumption though. We should only initialize and use the sma...
http://issues.cloudera.org/browse/IMPALA-1596    Author: Skye Wanderman-Milne, 2014-12-10, 21:10
[IMPALA-662] Frontend runs out of memory when generating many scan ranges - Impala - [issue]
...When I set the scan range length to 2 bytes and queried a 200MB table, the frontend churned for several minutes (during which time I could not cancel the query) before the JVM ran out of mem...
http://issues.cloudera.org/browse/IMPALA-662    Author: Skye Wanderman-Milne, 2014-12-05, 08:22
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB