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We are using clutered ehcache 3.8.1 and after some time ( about 6 hours and under some load )
we see the exception below.
It appears to then lose cache entries.
The exception then repeats roughly e…
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Sometimes I want to define a tree-like datastructure using records that refer to themselves:
```tla
-------------------------------- MODULE Tree --------------------------------
Value ≜ {0, 1}
…
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When pinot query data, pinot will load the segment from disk to offheap, but when persisting segment, pinot need to use offheap. This memory will interact with each other and have a probability of cau…
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### Description
As Gluten currently can't fully cover spark functions, we will have to fallback some operators to Vanilla Spark, which leads an conflict of offheap and onheap memory conflict. Current…
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Even though, LUCENE-8635 and LUCENE-8671 adds support to keep FST offheap for default codec, there are many other codecs which do not support FST offheap. Few examples are below:
- CompletionPostings…
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So it looks like the off heap map part of the library suffers from the same problem that the normal FST serialization stuff suffered from in the beginning: relying on the sun **Unsafe** class
Is th…
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我rdd的持久化级别用了.persist(StorageLevel.OFF_HEAP());，两个参数
--conf spark.memory.offHeap.enabled=true
--conf spark.memory.offHeap.size=15g
我看了spark ui，数据全部存在off-heap内存，是够用的，executor内存：
--executor-memory …
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Since we started using Larray there is still a lot of unnecesery offheap memory.
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Even though, #9681 and #9717 adds support to keep FST offheap for default codec, there are many other codecs which do not support FST offheap. Few examples are below:
- CompletionPostingsFormat
- Blo…
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### Backend
VL (Velox)
### Bug description
Hello, I am evaluating the performance of the gluten + velox backend on the TPC-DS 3000 benchmark and noticed that q95 performs weirdly.
While I …