Cause of Compaction？

2017-10-09 Thread sunerhan1...@sina.com
? sunerhan1...@sina.com

Does index be used when doing "join" operation between a big table and a small table?

2017-10-09 Thread sunerhan1...@sina.com
slow. I want to know does index be used when doing "join" operation between a big table and a small table? And how to confirm whether index be used? sunerhan1...@sina.com

[1.2.0-SNAPSHOT]-delete problem

2017-07-12 Thread sunerhan1...@sina.com
hello， already created a jira issue,please check: https://issues.apache.org/jira/browse/CARBONDATA-1302 sunerhan1...@sina.com

problem with branch-1.1

2017-06-23 Thread sunerhan1...@sina.com
ssNotFoundException: org.apache.spark.sql.catalyst.CatalystConf at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 59 more sunerhan1...@sina.com

when plan to implemnt merge operation

2017-05-25 Thread sunerhan1...@sina.com
hello， my team is trying to implement merge operation, merge scenario like the following: compare records in two tables(same structure,different amout of records)and modify big one , 1. if small.id=big.id and small.date

Delete ERROR

2017-05-22 Thread sunerhan1...@sina.com
V_ORDER_ITEM_PROC_ATTR_CARBON4 where ORDER_ITEM_PROC_ATTR_ID in ( $temp1) """).show the result is 1000 It only delete success maximun at 200 a batch,and took about 1min which is too slow. SO my question is how to tuning the performance to make the batch larger and delete faster sunerhan1...@sina.com

classnot found exception

2017-05-18 Thread sunerhan1...@sina.com
k.sql.catalyst.CatalystConf at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 57 more sunerhan1...@sina.com

classnot found exception

2017-05-17 Thread sunerhan1...@sina.com
i'm using spark2.1+carbon1.1,and get class not found exception.and this class only exists in spark1.X import by CodeGenFactory.scala build jar using :mvn package -DskipTests -Pspark-2.1 -Dspark.version=2.1.0 -Phadoop-2.7.2 sunerhan1...@sina.com

Re: Re: why sort_columns?

2017-05-14 Thread sunerhan1...@sina.com
ns, so you can still use "create table (c1,c2,...c7")" to build index. HTH. Regards Liang 2017-05-14 19:31 GMT-07:00 sunerhan1...@sina.com <sunerhan1...@sina.com>: > hi community, > > since we already have many rmdb sqls scripts,we don't want to change them > t

why sort_columns?

2017-05-14 Thread sunerhan1...@sina.com
thos who is familiar with rmdb but not with carbon. sunerhan1...@sina.com