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HBASE-22610 [BucketCache] Rename hbase.offheapcache.minblocksize 

* HBASE-22610 [BucketCache] Rename hbase.offheapcache.minblocksize.

* HBASE-22610 [BucketCache] Rename hbase.offheapcache.minblocksize. Deprecated old attribute and introduced a new one

* HBASE-22610 [BucketCache] Rename hbase.offheapcache.minblocksize. Removed unnecessary import

* HBASE-22610 added two import configs and removed one

Signed-off-by: Reid Chan <reidchan@apache.org>
This commit is contained in:
syedmurtazahassan 2019-07-23 04:40:32 +02:00 committed by Reid Chan
parent 9615c644f5
commit fe450b50c1
1 changed files with 21 additions and 3 deletions
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24
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/BlockCacheFactory.java
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@ -78,20 +78,38 @@ public final class BlockCacheFactory {
/**
* The target block size used by blockcache instances. Defaults to
* {@link HConstants#DEFAULT_BLOCKSIZE}.
* TODO: this config point is completely wrong, as it's used to determine the
* target block size of BlockCache instances. Rename.
*/
public static final String BLOCKCACHE_BLOCKSIZE_KEY = "hbase.offheapcache.minblocksize";
public static final String BLOCKCACHE_BLOCKSIZE_KEY = "hbase.blockcache.minblocksize";
private static final String EXTERNAL_BLOCKCACHE_KEY = "hbase.blockcache.use.external";
private static final boolean EXTERNAL_BLOCKCACHE_DEFAULT = false;
private static final String EXTERNAL_BLOCKCACHE_CLASS_KEY = "hbase.blockcache.external.class";
/**
* @deprecated use {@link BlockCacheFactory#BLOCKCACHE_BLOCKSIZE_KEY} instead.
*/
@Deprecated
static final String DEPRECATED_BLOCKCACHE_BLOCKSIZE_KEY = "hbase.blockcache.minblocksize";
/**
* The config point hbase.offheapcache.minblocksize is completely wrong, which is replaced by
* {@link BlockCacheFactory#BLOCKCACHE_BLOCKSIZE_KEY}. Keep the old config key here for backward
* compatibility.
*/
static {
Configuration.addDeprecation(DEPRECATED_BLOCKCACHE_BLOCKSIZE_KEY, BLOCKCACHE_BLOCKSIZE_KEY);
}
private BlockCacheFactory() {
}
public static BlockCache createBlockCache(Configuration conf) {
if (conf.get(DEPRECATED_BLOCKCACHE_BLOCKSIZE_KEY) != null) {
LOG.warn("The config key {} is deprecated now, instead please use {}. In future release "
+ "we will remove the deprecated config.", DEPRECATED_BLOCKCACHE_BLOCKSIZE_KEY,
BLOCKCACHE_BLOCKSIZE_KEY);
}
FirstLevelBlockCache l1Cache = createFirstLevelCache(conf);
if (l1Cache == null) {
return null;