Checksum Checker re-processes bitstreams marked "to_be_processed=false" at
beginning of month.
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Key: DS-302
URL: http://jira.dspace.org/jira/browse/DS-302
Project: DSpace 1.x
Issue Type: Bug
Components: DSpace API
Affects Versions: 1.5.2
Environment: RHEL4, PostgreSQL 8.1.16
Reporter: Tim Donohue
We've been using the 'org.dspace.checker.DailyReportEmailer' reporting class to
send us reports of CheckSum issues in DSpace. We've been noticing that after
the first time the CheckSum checker runs in a given month, the email report
received includes a number of bitstreams (usually about 50 to 100) which had
already been marked as no longer to be processed (to_be_processed=false).
This problem *only* occurs the first time the CheckSum Checker runs in a given
month.
Checking in the 'most_recent_checksum' table, we have bitstreams which were
deleted over a year ago, and are flagged as "to_be_processed=false", but still
were processed during our most recent Checksum Checker run.
So far, I've been unable to track down how/why the Checksum Checker is
continually re-processing these bitstreams (or if it's actually just
incorrectly updating the 'most_recent_checksum' table as though it was
re-processed -- as the 'last_process_*_date' fields are from the current
month). So, I thought I'd log this to see if anyone else has run into it.
Here are the Cron jobs we're running for both the CheckSumChecker and the
DailyReportEmailer. As you can tell, we are currently only running each once
per week:
#Schedule DSpace Checksum checker to run once a week,
#every Sunday, running for 2 hrs max
0 4 * * 0 dspace/bin/checker -d2h -p
#Send email of Checksum checker results on Sunday
0 6 * * 0 dspace/bin/dsrun org.dspace.checker.DailyReportEmailer -a
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