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From "lk_hadoop"<lk_had...@163.com>
Subject is this mean the disk read rate was too slow
Date Mon, 15 Jul 2019 09:44:56 GMT
hi,all:
       My impala+kudu cluster suddenly become slow , I doubt  about the disk not work well,
I saw some scan infomation from kudu's web : xxx:8050/scans 
       
       7a2bb2a7e62d4614b423f26c3117b49e1934b20b8ab34ab98f1deb43c3eba4b2CompleteSELECT membership_card_id,
      tbill_code,       goods_id,       goods_name,       paid_in_amt,       profit,     
 dates  FROM impala::TEST.SALE_BASE_FACT_WITH_MEMBERSHIP_20190626 WHERE PRIMARY KEY >=
<redacted>   AND PRIMARY KEY < <redacted>
{username='hive'} at 10.8.50.58:4668219.3 s37 mincolumncells readbytes readblocks read
membership_card_id381.10k3.85M18
tbill_code372.82k5.99M27
goods_id426.24k281.3K8
dates426.24k8.5K8
business_id426.24k2.7K8
goods_name426.24k291.1K8
paid_in_amt376.93k1019.6K24
profit376.93k1.14M24
total3.21M12.55M125

    is this mean the disk read rate was too slow ?      

2019-07-15


lk_hadoop 
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