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This commit is contained in:
Ankit Gupta
2014-07-07 10:06:28 -07:00
parent da12f9ec4e
commit 47f0cf6d38
2 changed files with 60 additions and 0 deletions
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35
java/org/rocksdb/Options.java
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@@ -1308,11 +1308,46 @@ public class Options extends RocksObject {
private native void setBlockRestartInterval(
long handle, int blockRestartInterval);
/**
* Compress blocks using the specified compression algorithm. This
parameter can be changed dynamically.
*
* Typical speeds of kSnappyCompression on an Intel(R) Core(TM)2 2.4GHz:
* ~200-500MB/s compression and ~400-800MB/s decompression.
*
* Note that these speeds are significantly faster than most
* persistent storage speeds, and therefore it is typically never
* worth switching to kNoCompression. Even if the input data is
* incompressible, the kSnappyCompression implementation will
* efficiently detect that and will switch to uncompressed mode.
*
* Default: kSnappyCompression, which gives lightweight but fast compression.
*
* @return Compression type.
*/
public CompressionType compressionType() {
return CompressionType.values()[compressionType(nativeHandle_)];
}
private native int compressionType(long handle);
/**
* Compress blocks using the specified compression algorithm. This
parameter can be changed dynamically.
*
* Typical speeds of kSnappyCompression on an Intel(R) Core(TM)2 2.4GHz:
* ~200-500MB/s compression and ~400-800MB/s decompression.
*
* Note that these speeds are significantly faster than most
* persistent storage speeds, and therefore it is typically never
* worth switching to kNoCompression. Even if the input data is
* incompressible, the kSnappyCompression implementation will
* efficiently detect that and will switch to uncompressed mode.
*
* Default: kSnappyCompression, which gives lightweight but fast compression.
*
* @param compressionType Compression Type.
* @return the reference to the current option.
*/
public Options setCompressionType(CompressionType compressionType) {
setCompressionType(nativeHandle_, compressionType.getValue());
return this;