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https://issues.apache.org/jira/browse/CARBONDATA-558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacky Li resolved CARBONDATA-558.
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Resolution: Fixed
Fix Version/s: 1.0.0-incubating
> Load performance bad when use_kettle=false
> ------------------------------------------
>
> Key: CARBONDATA-558
> URL: https://issues.apache.org/jira/browse/CARBONDATA-558
> Project: CarbonData
> Issue Type: Bug
> Reporter: Gin-zhj
> Assignee: Gin-zhj
> Fix For: 1.0.0-incubating
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> When you import a data file, the measure column contains many empty strings，
> if use_kettle=false, the load performance has a sharp decline
> I checked the logs of executor, many warnnings printed like below:
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-6 Cant not
> convert : to Numeric type value. Value considered as null.
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-1 Cant not
> convert : to Numeric type value. Value considered as null.
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-6 Cant not
> convert : to Numeric type value. Value considered as null.
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-1 Cant not
> convert : to Numeric type value. Value considered as null.
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-2 Cant not
> convert : to Numeric type value. Value considered as null.
> 16/12/22 07:03:12 WARN MeasureFieldConverterImpl: pool-22-thread-3 Cant not
> convert : to Numeric type value. Value considered as null.
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