[progress Communities] [progress Openedge Abl] Forum Post: Re: Excessive Clob Growth

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> George Potemkin [https://community.progress.com/members/georgep12] > BTW, LOB area with RPB 64 is not a good place for the zsaztdl table with 100 byte records. why not? the overhead in a block that contains 64 records consist of the following: data block header 64 bytes record block specific extra header 12 bytes row directory (2 bytes each) 128 bytes create limit 300 bytes per row overhead (~17 bytes each) 1088 bytes subtotal 1592 bytes for an 8192 byte data block, that leaves us with 6600 bytes for data. 64 100 bytes records is 6400. so we waste a litle but not all that much. not terrible either. setting max rows per block to 128 would be slightly better. or not, since rows are not all the same size.

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