manoj mathpal created CARBONDATA-1069:
-----------------------------------------

             Summary: Compaction is not working
                 Key: CARBONDATA-1069
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1069
             Project: CarbonData
          Issue Type: Bug
          Components: sql
    Affects Versions: 1.1.0
         Environment: Spark 2.1
            Reporter: manoj mathpal


Reproduce bug

I have checked this query on cluster
Create table:
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' TBLPROPERTIES ("TABLE_BLOCKSIZE"= 
"256 MB") ;

Load data into table:

1-LOAD DATA INPATH 'HDFS_URL/BabuStore/Data/uniqdata/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')
 ;

2-LOAD DATA INPATH 'HDFS_URL/BabuStore/Data/uniqdata/3000_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-LOAD DATA INPATH 'HDFS_URL/BabuStore/Data/uniqdata/4000_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')
 ;

4- LOAD DATA INPATH 'HDFS_URL/BabuStore/Data/uniqdata/5000_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-LOAD DATA INPATH 'HDFS_URL/BabuStore/Data/uniqdata/5000_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')
 ;



alter table uniqdata compact 'minor'

Result:

Compaction failed. Please check logs for more info. Exception in compaction 
java.lang.Exception: Compaction Failure in Merger Rdd.




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