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https://issues.apache.org/jira/browse/JENA-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17453082#comment-17453082
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Andy Seaborne commented on JENA-2204:
-------------------------------------

In what environment? (I used Ubuntu/latest Jena) an dused "du -sh" for sizes.

Some systems account for sparse files differently. They count limit size and 
not in-use space.

For me, there are many 8M files, they do not take up 8M space.

{noformat}
~/tmp >> ls -l  DB2/Data-0001/SPOG.dat
8.0M Dec  3 15:03 DB2/Data-0001/SPOG.dat
~/tmp >> du -sh  DB2/Data-0001/SPOG.dat
4.0K    DB2/Data-0001/SPOG.dat
{noformat}


> Storage required by TDB2 is much higher than TDB1, How to Fix ?
> ---------------------------------------------------------------
>
>                 Key: JENA-2204
>                 URL: https://issues.apache.org/jira/browse/JENA-2204
>             Project: Apache Jena
>          Issue Type: Question
>            Reporter: Hemant Tiwari
>            Priority: Minor
>
> The storage required by TDB2 is much higher than TDB1
> For 100k statements - TDB1 takes about 90 MB, while TDB2 is taking ~ close to 
> 1 GB.
> Why is there such a difference and is there any solution available to reduce 
> the storage size?



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