[GitHub] [incubator-hudi] lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues around DiskBasedMap & kryo

2020-02-24 Thread GitBox
lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues 
around DiskBasedMap & kryo
URL: https://github.com/apache/incubator-hudi/pull/1351#issuecomment-590634434
 
 
   > response -> the StdInstantiatorStrategy will allow kryo to fall back to 
Java Serde, is that what we want ?
   
   Hi @n3nash, By default, an instantiator is returned that uses reflection if 
the class has a zero argument constructor, an exception is thrown. If a 
`setInstantiatorStrategy(InstantiatorStrategy)` is set, it will be used instead 
of throwing an exception.


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[GitHub] [incubator-hudi] lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues around DiskBasedMap & kryo

2020-02-24 Thread GitBox
lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues 
around DiskBasedMap & kryo
URL: https://github.com/apache/incubator-hudi/pull/1351#issuecomment-590618074
 
 
   Thanks @vinothchandar, had opend a new pr 
https://github.com/apache/incubator-hudi/pull/1352  : )


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[GitHub] [incubator-hudi] lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues around DiskBasedMap & kryo

2020-02-24 Thread GitBox
lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues 
around DiskBasedMap & kryo
URL: https://github.com/apache/incubator-hudi/pull/1351#issuecomment-590506849
 
 
   Hi @n3nash, we talked about this issue in 
[HUDI-625](https://issues.apache.org/jira/browse/HUDI-625) . 


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[GitHub] [incubator-hudi] lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues around DiskBasedMap & kryo

2020-02-23 Thread GitBox
lamber-ken commented on issue #1351: [WIP] [HUDI-625] Fixing performance issues 
around DiskBasedMap & kryo
URL: https://github.com/apache/incubator-hudi/pull/1351#issuecomment-590142768
 
 
   Because we already set InstantiatorStrategy, so we needn't register class 
agian.
   `kryo.setInstantiatorStrategy(new 
org.objenesis.strategy.StdInstantiatorStrategy());`
   
   Change `Kryo kryo = new KryoBase();` to `Kryo kryo = new Kryo();` will ok. 
   


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