[jira] [Created] (HBASE-18742) Make cache configuration like global switch

["Chia-Ping Tsai (JIRA)" <ji...@apache.org>]

Chia-Ping Tsai created HBASE-18742:
--------------------------------------

             Summary: Make cache configuration like global switch
                 Key: HBASE-18742
                 URL: https://issues.apache.org/jira/browse/HBASE-18742
             Project: HBase
          Issue Type: New Feature
            Reporter: Chia-Ping Tsai
            Assignee: Chia-Ping Tsai


I'm profiling phoenix query w/wo hbase cache. And than i noticed the following codes in CacheConfig.
{code}
    this(CacheConfig.instantiateBlockCache(conf),
        conf.getBoolean(CACHE_DATA_ON_READ_KEY, DEFAULT_CACHE_DATA_ON_READ)
           && family.isBlockCacheEnabled(),
        family.isInMemory(),
        // For the following flags we enable them regardless of per-schema settings
        // if they are enabled in the global configuration.
        conf.getBoolean(CACHE_BLOCKS_ON_WRITE_KEY,
            DEFAULT_CACHE_DATA_ON_WRITE) || family.isCacheDataOnWrite(),
        conf.getBoolean(CACHE_INDEX_BLOCKS_ON_WRITE_KEY,
            DEFAULT_CACHE_INDEXES_ON_WRITE) || family.isCacheIndexesOnWrite(),
        conf.getBoolean(CACHE_BLOOM_BLOCKS_ON_WRITE_KEY,
            DEFAULT_CACHE_BLOOMS_ON_WRITE) || family.isCacheBloomsOnWrite(),
        conf.getBoolean(EVICT_BLOCKS_ON_CLOSE_KEY,
            DEFAULT_EVICT_ON_CLOSE) || family.isEvictBlocksOnClose(),
        conf.getBoolean(CACHE_DATA_BLOCKS_COMPRESSED_KEY, DEFAULT_CACHE_DATA_COMPRESSED),
        conf.getBoolean(PREFETCH_BLOCKS_ON_OPEN_KEY,
            DEFAULT_PREFETCH_ON_OPEN) || family.isPrefetchBlocksOnOpen(),
        conf.getBoolean(ColumnFamilyDescriptorBuilder.CACHE_DATA_IN_L1,
            ColumnFamilyDescriptorBuilder.DEFAULT_CACHE_DATA_IN_L1) || family.isCacheDataInL1(),
        conf.getBoolean(DROP_BEHIND_CACHE_COMPACTION_KEY, DROP_BEHIND_CACHE_COMPACTION_DEFAULT)
     );
{code}
The global configuration for cache do NOT look like global switch. The codes should be like this.
{code}
config.get(xxx, family.isxxx)
{code}
The cf level config should honor the global config.



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