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24-25th November 2005,Tallinn Digital Memory Archiving and Preservation of Web Publications - Lithuanian approach Jonas Juškys Project manager of Lithuanian.

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Presentation on theme: "24-25th November 2005,Tallinn Digital Memory Archiving and Preservation of Web Publications - Lithuanian approach Jonas Juškys Project manager of Lithuanian."— Presentation transcript:

1 24-25th November 2005,Tallinn Digital Memory Archiving and Preservation of Web Publications - Lithuanian approach Jonas Juškys Project manager of Lithuanian Library Information System (LIBIS) JSC “Sintagma”, Vilnius

2 24-25th November 2005,Tallinn Digital Memory  Technical Solution and Services  Harvesting Estimation – Reality  Issues  Future plans

3 24-25th November 2005,Tallinn Digital Memory Technical Solution and Services Services Harvest full archive - twice per year periodics - individually configurable Extract metadata Present available by harvested date Fulltext Search Browse by host

4 24-25th November 2005,Tallinn Digital Memory Technical Solution and Services Software harvest NEDLIB Harvester Linux RedHat MySQL fulltext search MnogoSearch Oracle 10g

5 24-25th November 2005,Tallinn Digital Memory Technical Solution and Services Hardware harvest CPUPentium II 2x400 MHz RAM768 Mb HDD3x145 + 1x190 Gb search CPUPentium IV 2,8 GHz RAM1 Gb HDD20 Gb (is used by Oracle10g)

6 24-25th November 2005,Tallinn Digital Memory Harvesting Estimation – Reality Estimation in 2001 Initial size 80-150 GB, 35-70 GB zipped 1,5 magnitude per year 240-400 GB of zipped data for 4 harvesting

7 24-25th November 2005,Tallinn Digital Memory Harvesting Estimation – Reality

8 24-25th November 2005,Tallinn Digital Memory Issues Software No support for NEDLIB harvester Difficulties with maintenance of MySQL Data is lost! Time consuming process Harvesting has been stopping in progress Zipping Alternatives

9 24-25th November 2005,Tallinn Digital Memory Issues Lack of disk space Only one harvesting this year Managing sensitive data Important to establish security policy Quality of metadata Original web resources has no or minimum metadata

10 24-25th November 2005,Tallinn Digital Memory Future plans New hardware plan to use Heritage project hw Long term preservation / emulation not discussed yet

11 24-25th November 2005,Tallinn Digital Memory Future plans New hardware plan to use Heritage project hw Long term preservation / emulation not discussed yet Thank You


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