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ORC Cache enhancements

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创建于  
2020-08-05 09:51

Enhancements to be added on top of ORC Cache

  1. Complex predicate support in "cache table" table command
    a. Cache table xxxx where c1 ='yyy' and c2 ='zzz';
  2. Where clause support in "drop cache" command
    a. drop cache table1;
  3. CacheAware scheduler optimization [Quick prototyping required]
    a. Primary/Secondary cache workers – Local Affinity scheduler
    b. Reschedule split on non-busy (free) node but disabling caching the new node.
  4. Bug: ON-1257-Support all partition column types
  5. Show Cache
    a. Amount of row data cached by each worker
    b. Beautify output
  6. Caching Parquet, RCFile types.
  7. Caching non partition table.
    a. Dimensions table – TPCDS dataset – [Quick prototyping required]
  8. Customize Cache eviction - ORC File access based eviction
  9. Automatic caching based on data access pattern and frequency.

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sundarannamalai 创建了需求
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