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Posted to dev@orc.apache.org by GitBox <gi...@apache.org> on 2021/09/01 09:20:49 UTC
[GitHub] [orc] dongjoon-hyun commented on a change in pull request #890: ORC-965: Fix ZSTD 'Overflow detected' failure
dongjoon-hyun commented on a change in pull request #890:
URL: https://github.com/apache/orc/pull/890#discussion_r699602594
##########
File path: java/core/src/test/org/apache/orc/TestVectorOrcFile.java
##########
@@ -2281,7 +2281,7 @@ public void testZstd(Version fileFormat) throws Exception {
OrcFile.writerOptions(conf)
.setSchema(schema)
.compress(CompressionKind.ZSTD)
- .bufferSize(2000)
+ .bufferSize(1000)
Review comment:
With aircompressor 0.19/0.20, this raises `Overflow detected` error.
```
Caused by: java.lang.IllegalStateException: Overflow detected
at io.airlift.compress.zstd.Util.checkState(Util.java:59)
at io.airlift.compress.zstd.BitOutputStream.close(BitOutputStream.java:85)
at io.airlift.compress.zstd.HuffmanCompressor.compressSingleStream(HuffmanCompressor.java:130)
at io.airlift.compress.zstd.HuffmanCompressor.compress4streams(HuffmanCompressor.java:75)
```
##########
File path: java/core/src/test/org/apache/orc/TestVectorOrcFile.java
##########
@@ -2281,7 +2281,7 @@ public void testZstd(Version fileFormat) throws Exception {
OrcFile.writerOptions(conf)
.setSchema(schema)
.compress(CompressionKind.ZSTD)
- .bufferSize(2000)
+ .bufferSize(1000)
Review comment:
With aircompressor 0.19/0.20, this causes `Overflow detected` errors.
```
Caused by: java.lang.IllegalStateException: Overflow detected
at io.airlift.compress.zstd.Util.checkState(Util.java:59)
at io.airlift.compress.zstd.BitOutputStream.close(BitOutputStream.java:85)
at io.airlift.compress.zstd.HuffmanCompressor.compressSingleStream(HuffmanCompressor.java:130)
at io.airlift.compress.zstd.HuffmanCompressor.compress4streams(HuffmanCompressor.java:75)
```
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