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Reduce memory consumption of Fat/Exploded Jars #4882

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philwebb opened this issue Jan 5, 2016 · 0 comments
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Reduce memory consumption of Fat/Exploded Jars #4882

philwebb opened this issue Jan 5, 2016 · 0 comments
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1.4.0.M1

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philwebb commented Jan 5, 2016

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@philwebb philwebb modified the milestones: 1.4.0, 1.4.0.M1 Jan 5, 2016
philwebb added a commit that referenced this issue Jan 30, 2016
@philwebb
Reduce memory consumption of fat/exploded jars
e2368b9 
Refactor `spring-boot-loader` to reduce the amount of memory required
to load fat & exploded jars. Jar files now no longer store a full list
of entry data records, but instead use an array of entry name hashes.

Since ClassLoaders often ask each JAR if they contain a particular
entry (and mostly they do not), the hash array provides a quick way to
deal with misses. Only when a hash does exist is data actually loaded
from the underlying file.

In addition to the JarFile changes, the Archive abstraction has also
been updated to reduce memory consumption.

See gh-4882
@philwebb philwebb mentioned this issue Apr 11, 2016
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