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Why is version 2.3.4 several times slower than version 2.0.0 in the sorting case? A total of 140,000 pieces of data, V2.0.0, 500ms<----> V2.3.4, 30s ????? (Android 7.0) #769

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1341290135 opened this issue Sep 27, 2019 · 12 comments

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@1341290135
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commented Sep 27, 2019

Why is version 2.3.4 several times slower than version 2.0.0 in the sorting case? A total of 140,000 pieces of data, V2.0.0, 500ms<----> V2.3.4, 30s ????? (Android 7.0)

@greenrobot

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commented Sep 27, 2019

This shouldn't happen. Can you share how your query looks like?

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commented Sep 28, 2019

I had test this for a long time,

  1. build.gradle:
    ext.objectboxVersion = '2.0.0'
    //ext.objectboxVersion = '2.3.4'
    dependencies {
        classpath "io.objectbox:objectbox-gradle-plugin:$objectboxVersion"
    }

only modified viersion, the query speed from 500ms ---> 30s (Limit(0,80),total about 140000)

QueryBuilder<SongItemAllNew> queryBuilder = songItemAllNewBox.query();
queryBuilder.order(SongItemAllNew_.strSongName); 
queryBuilder.build().find(0,80); 
  1. My product android 7.0(Arm) use 2.0.0
@greenrobot-team

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commented Sep 30, 2019

This is very unusual, we'll try to reproduce this. In the meantime: it would help us if you can share a small example project that reproduces this issue.

@greenrobot-team greenrobot-team self-assigned this Sep 30, 2019
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commented Oct 1, 2019

This issue is confirmed. We'll investigate this internally. Thanks again for reporting!

@1341290135

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commented Oct 2, 2019

I had sent the demo to you by email.

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commented Oct 2, 2019

@1341290135

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commented Oct 2, 2019

@1341290135

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commented Oct 2, 2019

@greenrobot

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commented Oct 2, 2019

This is fixed internally. We'll let you know once this is published.

@greenrobot-team greenrobot-team added this to the 2.4.0 milestone Oct 7, 2019
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commented Oct 7, 2019

We released 2.4.0-RC addressing this. Could you post your results with that version?

@1341290135

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commented Oct 8, 2019

Thank you very much. It's all right now. 2.4.0-RC

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commented Oct 8, 2019

Thanks for reporting back! Closing this then.

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