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Reduce memory of Zinc by de-duplicating Strings, etc #780

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retronym opened this issue May 7, 2020 · 1 comment
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Reduce memory of Zinc by de-duplicating Strings, etc #780

retronym opened this issue May 7, 2020 · 1 comment
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performance
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1.4.1

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@retronym
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retronym commented May 7, 2020 •
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Using Java Mission control, take a heap dump of a running SBT build. The resulting UI includes the JOverflow analysis of opportunities to reduce footprint.

ClassLike.savedAnnotations contains duplicate strings for scala.native scala.deprecated etc.

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UsedName / NameHash

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My work on RelationsBuilder in #764 is a step in the right direction.

Related fix for SBT itself: sbt/sbt#5535
@retronym retronym added this to the 1.4.0 milestone May 19, 2020
@eed3si9n eed3si9n modified the milestones: 1.4.0, 1.4.1 Oct 4, 2020
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Closed by #1326

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