Opened 10 years ago

#1654 new task

Investigate if JDBC fetch size can improve performance in some situations

Reported by: Nicklas Nordborg Owned by: everyone
Priority: major Milestone: BASE Future Release
Component: core Version:
Keywords: Cc:

Description

For MySQL the JDBC fetch size is set by the defaultFetchSize parameter in the connection url. The current value is 100 which may not be optimal. During testing of the migration (#1630) we discovered that increasing the fetch size can improve the performance a lot.

The default fetch size we use now is good enough for most table listings, etc. since we seldom load more items on one page. It may not be good enough for analysis plug-ins that load complete bioassay set data. We might even be able to improve experiment explorer a bit more....

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