Commits on Feb 20, 2021

1. [POAE7-494] created the HCFS project …

   scheme conversion between hdfs and cachedFs
   
   to keep input schemes, now can be used as default hdfs impl

   

   iyupeng authored and xieqi committed Feb 20, 2021
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2. [POAE7-494] getFileBlockLocations upper layer impl

   

   iyupeng authored and xieqi committed Feb 20, 2021
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3. add plasma utils

   

   jikunshang authored and xieqi committed Feb 20, 2021
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4. redis utils, get block locations from redis

   

   iyupeng authored and xieqi committed Feb 20, 2021
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5. [POAE7-493] simple inputstream

   

   iyupeng authored and xieqi committed Feb 20, 2021
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6. [POAE7-519] Add HCFS read path

   

   xieqi committed Feb 20, 2021
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7. [POAE7-540] optimization on read()

   

   iyupeng authored and xieqi committed Feb 20, 2021
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8. [POAE7-540] switch to CachedInputStream and merge recent optimizations …

   optimization on filesystem and simple input stream
   
   fix: Plasma exception:Get returns an invalid value!
   
   optimizations of logging

   

   iyupeng authored and xieqi committed Feb 20, 2021
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9. [POAE7-538] Release the Plasma Id when close the stream

   

   xieqi committed Feb 20, 2021
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10. [POAE7-582] Improving HCFS with new block location policies …

    new file block location logic
    
    block location strategies
    
    location policies
    
    code optimizations
    
    code optimizations

    

    iyupeng authored and xieqi committed Feb 20, 2021
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11. [POAE-763] fix HCFS bug

    

    iyupeng authored and xieqi committed Feb 20, 2021
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12. [POAE7-868] improve HCFS with optimized redis accessing, support whit… …

    …elist/blacklist for cache

    

    iyupeng authored and xieqi committed Feb 20, 2021
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13. move hcfs project to module

    

    xieqi committed Feb 20, 2021
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14. [SQL-DS-CACHE-14][POAE7-847] Port HCFS to OAP

    

    xieqi committed Feb 20, 2021
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