hudi-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Balaji Varadarajan (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HUDI-637) Investigate slower hudi queries in S3 vs HDFS
Date Thu, 27 Feb 2020 02:00:00 GMT

     [ https://issues.apache.org/jira/browse/HUDI-637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Balaji Varadarajan updated HUDI-637:
------------------------------------
    Status: Open  (was: New)

> Investigate slower hudi queries in S3 vs HDFS
> ---------------------------------------------
>
>                 Key: HUDI-637
>                 URL: https://issues.apache.org/jira/browse/HUDI-637
>             Project: Apache Hudi (incubating)
>          Issue Type: Task
>          Components: Performance
>            Reporter: Balaji Varadarajan
>            Priority: Blocker
>             Fix For: 0.5.2
>
>
> Hudi queries in S3 takes abnormally longer time compared to AWS. 
> S3 listing itself is not taking that long of time. 
> PERFORMANCE BUG:
> the metadata list performance is likely causing performance issues with hudi.
>  
> {{scala> stopwatch(\{  sql("SELECT * FROM ap_invoices_all_compacted_s3").count})}}
> {{Elapsed time: 1m 55.078473113s                                                  
> res2: Long = xxxxxxxxxxxx}}
> {{}}
> {{scala> stopwatch(\{  sql("SELECT * FROM ap_invoices_all_compacted").count})  --
this is the exact same table in hdfs}}
> {{Elapsed time: 6.581217052s                                                      
> res3: Long = xxxxxxxxxxx}}



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Mime
View raw message