cxzl25 commented on code in PR #1743:
URL: https://github.com/apache/orc/pull/1743#discussion_r1451691382
##########
java/core/src/java/org/apache/orc/OrcConf.java:
##########
@@ -72,6 +72,18 @@ public enum OrcConf {
"Define the compression strategy to use while writing data.\n" +
"This changes the compression level of higher level compression\n" +
"codec (like ZLIB)."),
+ COMPRESSION_ZSTD_LEVEL("orc.compression.zstd.level",
+ "hive.exec.orc.compression.zstd.level", 3,
+ "Define the compression level to use with ZStandard codec "
+ + "while writing data."),
+ COMPRESSION_ZSTD_WINDOWLOG("orc.compression.zstd.windowlog",
+ "hive.exec.orc.compression.zstd.windowlog", 0,
+ "Set the maximum allowed back-reference distance for "
+ + "ZStandard codec, expressed as power of 2."),
+ COMPRESSION_ZSTD_LONGMODE("orc.compression.zstd.longmode",
Review Comment:
source table: ORC zlib 4408374802439 4TB
orc.compression.zstd.windowlog=0 (default)
compress size: 3119313447131 2905G
orc.compression.zstd.windowlog=27
compress size: 3036659575064 2828G
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
