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From "Ravindra Pesala (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CARBONDATA-662) Minor Compaction results of count of individual column is incorrect
Date Fri, 20 Jan 2017 10:19:26 GMT

     [ https://issues.apache.org/jira/browse/CARBONDATA-662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ravindra Pesala updated CARBONDATA-662:
---------------------------------------
    Assignee: ravikiran

> Minor Compaction results of count of individual column is incorrect
> -------------------------------------------------------------------
>
>                 Key: CARBONDATA-662
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-662
>             Project: CarbonData
>          Issue Type: Bug
>          Components: data-load
>    Affects Versions: 1.0.0-incubating
>            Reporter: Vyom Rastogi
>            Assignee: ravikiran
>            Priority: Minor
>              Labels: spark1.6
>
> Carbon_Properties:
> carbon.allowed.compaction.days = 2
> carbon.enable.auto.load.merge = true
> carbon.compaction.level.threshold = 4,3
> carbon.numberof.preserve.segments = 2
> carbon.sort.file.buffer.size = 20
> carbon.leaf.node.size = 120000
> max.query.execution.time = 60
> carbon.number.of.cores.while.loading = 6
> carbon.number.of.cores = 4
> carbon.sort.size = 500000
> Steps for compaction :
> 1)Create table uniqdata:
> CREATE TABLE uniqdata (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp,
DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10),
DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1
int) STORED BY 'org.apache.carbondata.format';
> 2)load the Uniqdata:
> LOAD DATA INPATH 'hdfs://hacluster/vyom/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=','
, 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> 3)Select the count of cust_name by filtering Cust_id
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 1    |
> +------+--+
> 4)load the Uniqdata:
> LOAD DATA INPATH 'hdfs://hacluster/vyom/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=','
, 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> 5)Select 
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 2    |
> +------+--+
> 6)Load into uniqdata
> 0: jdbc:hive2://172.168.100.212:23040> LOAD DATA INPATH 'hdfs://hacluster/vyom/2000_UniqData.csv'
into table uniqdata OPTIONS('DELIMITER'=',' , 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (0.327 seconds)
> 7)
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 3    |
> +------+--+
> 8)
> 0: jdbc:hive2://172.168.100.212:23040> LOAD DATA INPATH 'hdfs://hacluster/vyom/2000_UniqData.csv'
into table uniqdata OPTIONS('DELIMITER'=',' , 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> 9)Select the Count
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 4    |
> +------+--+
> 1 row selected (5.194 seconds)
> 10)Load the data
> 0: jdbc:hive2://172.168.100.212:23040> LOAD DATA INPATH 'hdfs://hacluster/vyom/2000_UniqData.csv'
into table uniqdata OPTIONS('DELIMITER'=',' , 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1');
> +---------+--+
> | Result  |
> +---------+--+
> +---------+--+
> No rows selected (0.342 seconds)
> 11)Select into  cust_name
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 5    |
> +------+--+
> 1 row selected (5.19 seconds)
> 12)Show Segments for table uniqdata;
> +--------------------+------------------+--------------------------+--------------------------+--+
> | SegmentSequenceId  |      Status      |     Load Start Time      |      Load End Time
      |
> +--------------------+------------------+--------------------------+--------------------------+--+
> | 5                  | Partial Success  | 2017-01-19 16:33:14.006  | 2017-01-19 16:33:14.186
 |
> | 4                  | Partial Success  | 2017-01-19 16:32:49.484  | 2017-01-19 16:32:49.691
 |
> | 3                  | Compacted        | 2017-01-19 16:32:41.044  | 2017-01-19 16:32:41.252
 |
> | 2                  | Compacted        | 2017-01-19 16:32:36.952  | 2017-01-19 16:32:37.159
 |
> | 1                  | Compacted        | 2017-01-19 16:32:33.251  | 2017-01-19 16:32:33.447
 |
> | 0.1                | Success          | 2017-01-19 16:33:14.205  | 2017-01-19 16:33:14.531
 |
> | 0                  | Compacted        | 2017-01-19 16:32:08.457  | 2017-01-19 16:32:08.657
 |
> +--------------------+------------------+--------------------------+--------------------------+--+
> 13)Select the cust_name by Cust_id ideally Count should be 6 but it was coming as 14
> 0: jdbc:hive2://172.168.100.212:23040> select count( (CUST_NAME)) from uniqdata where
CUST_ID=9000 ;
> +------+--+
> | _c0  |
> +------+--+
> | 14   |
> +------+--+



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