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Possibly there's a memory leak on oai-pmh side as we've seen continuously growing memory and CPU usage (see screenshots below).


Tests and results


testMax records per responseTime to completeResultIssues
11006 hours 26 minutesall data harvestedGrowing CPU/RAM usage
23002 hours 31 min5.5 M records harvestedconnection lost with load generator
not an oai-pmh issue
35002 hour 27 minall data harvestedGrowing CPU/RAM usage


Service CPU usage


Service Memory usage

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mod-inventory-storage memory usage



Heap Analysis