Reduce the number of queries by caching schema info#101
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With the new PR from rails - rails/rails#45381, this will be even faster for gitlab: |
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Renamed the class. |
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@fatkodima, please rebase and it's good to merge! |
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@gregnavis Rebased. |
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@gregnavis Would you like to also add this to 2.0? I can update it then. |
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@gregnavis Merge? Just tested on my app - 2x speedup. |
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Fixes #99.
I was able to run
active_record_doctoron 2 OSS projects:discourse(medium sized) andgitlab(large sized).Discourse
Before
Num of queries:
6771Runtime of
active_record_doctor(checks only, not including app eager loading):8.53sTotal runtime (of the
rake active_record_doctor):15.74sAfter
Num of queries:
1739Runtime of
active_record_doctor:2.55s🔥Total runtime :
9.3sGitlab
Before
Num of queries:
31499Runtime of
active_record_doctor:125.9sTotal runtime:
2:36.17mAfter
Num of queries:
10697Runtime of
active_record_doctor:38.53s🔥 🔥 🔥Total runtime:
1:13.80m