[jira] [Resolved] (THRIFT-2200) nested structs cause generate_fingerprint() to slow down at excessive CPU load

["Jens Geyer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/THRIFT-2200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jens Geyer resolved THRIFT-2200.
--------------------------------

    Resolution: Fixed

{quote}
string::reserve usually won't shrink a string's capacity. I would recommend removing those lines.
{quote}

Thanks, done and committed.
                
> nested structs cause generate_fingerprint() to slow down at excessive CPU load
> ------------------------------------------------------------------------------
>
>                 Key: THRIFT-2200
>                 URL: https://issues.apache.org/jira/browse/THRIFT-2200
>             Project: Thrift
>          Issue Type: Bug
>          Components: Compiler (General)
>            Reporter: Jens Geyer
>            Assignee: Jens Geyer
>             Fix For: 0.9.2
>
>         Attachments: THRIFT-2200_slow_fingerprints.patch
>
>
> The file http://pastebin.com/H5Uj74aW contains a number of nested structs definitions. These highly recursive structs (over 8 levels in this case) cause the get_fingerprint_material() method to loop over minutes.
> Thanks to Niclas who prepared the pastebin.

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