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XLS Emitter Memory management [message #365275] Tue, 23 September 2008 06:52
Ludovit Hajzer is currently offline Ludovit Hajzer
Messages: 22
Registered: July 2009
Junior Member
Hello,

i'd like to ask how XLS emitter works with memory. We have report, which
generates 30 000 rows of data. Then we export this report to XLS document
using XLS emitter. By analysing the heap dump of the server we see that we
have aroung 600 000 objects in the memory. These objects are instances of
these classes:
org/eclipse/birt/report/engine/emitter/excel/StyleEntry
org/eclipse/birt/report/engine/emitter/excel/Data
org/eclipse/birt/report/engine/emitter/excel/Span
org/eclipse/birt/report/engine/emitter/excel/layout/Rule

these objects cause out of memory problems on our server. Can someone
describe how is XLS emitter using the memory, and why we have so much
objects in memory?

We are using BIRT 2.3.0

Thank you

Ludovit

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