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"fb_lock_print -ia" output is not flushed to a file between iterations [CORE2354] #2777

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firebird-issue-importer opened this issue Mar 6, 2009 · 12 comments

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@firebird-issue-importer firebird-issue-importer commented Mar 6, 2009

Submitted by: Saulius Vabalas (svabalas)

FB CS 1.5 or 2.1.RC1 on Linux. Can not redirect "fb_lock_print -ia 10 9999" output to a file. For some reason standard
redirection does not work, all output is going only into console. Is there any trick to do that, some special switch or it's a "random feature" of this
utility?

Update: Problem is output does not get flushed to a file between iterations.

Commits: 118a70a a931ffe cc69cf7

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@firebird-issue-importer firebird-issue-importer commented Mar 6, 2009

Commented by: @AlexPeshkoff

Works for me.

fbs bin #⁠ ./fb_lock_print -ia 1 5 >a
fbs bin #⁠ cat a
19:00:28 acquire/s acqwait/s %acqwait acqrtry/s rtrysuc/s
19:00:29 0 0 0 0 0
19:00:30 0 0 0 0 0
19:00:31 0 0 0 0 0
19:00:32 0 0 0 0 0
19:00:33 0 0 0 0 0

Average: 0 0 0 0 0

And must say there is no special output processing - just fprintf(stdout, .....)

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@firebird-issue-importer firebird-issue-importer commented Mar 6, 2009

Modified by: @AlexPeshkoff

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Cannot Reproduce [ 5 ]

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@firebird-issue-importer firebird-issue-importer commented Mar 6, 2009

Commented by: Saulius Vabalas (svabalas)

Apparently file is flushed only when fb_lock_print finishes execution. If it gets killed - output file is empty. In my case (see params 10 9999) output file stays at 0 size all the time. What I need is to run "fb_lock_print -ia 10 9999" to a file to collect statistics and at the same time wanna tail that file from different session to review historical results. Can output file be flushed between iterations like "iostat" does?

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@firebird-issue-importer firebird-issue-importer commented Mar 6, 2009

Modified by: Saulius Vabalas (svabalas)

description: FB CS 1.5 or 2.1.RC1 on Linux. Can not redirect "fb_lock_print -ia 10 9999" output to a file. For some reason standard
redirection does not work, all output is going only into console. Is there any trick to do that, some special switch or it's a "random feature" of this
utility?

=>

FB CS 1.5 or 2.1.RC1 on Linux. Can not redirect "fb_lock_print -ia 10 9999" output to a file. For some reason standard
redirection does not work, all output is going only into console. Is there any trick to do that, some special switch or it's a "random feature" of this
utility?

Update: Problem is output does not get flushed to a file between iterations.

summary: "fb_lock_print -ia" output redirection to a file does not work => "fb_lock_print -ia" output is not flushed to a file between iterations

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@firebird-issue-importer firebird-issue-importer commented Mar 9, 2009

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented Mar 9, 2009

Modified by: @dyemanov

assignee: Alexander Peshkov [ alexpeshkoff ]

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@firebird-issue-importer firebird-issue-importer commented Mar 9, 2009

Commented by: @dyemanov

Pavel, I'm not sure this ticket must be closed, as there's an extra feedback provided by the reporter after Alex's resolution. I'm assigning it to Alex to decide whether it should be re-opened for fixing or not.

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@firebird-issue-importer firebird-issue-importer commented Mar 10, 2009

Commented by: @AlexPeshkoff

Agreed, for this particular utility requirement to flash buffer is correct.

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@firebird-issue-importer firebird-issue-importer commented Mar 10, 2009

Modified by: @AlexPeshkoff

status: Closed [ 6 ] => Reopened [ 4 ]

resolution: Cannot Reproduce [ 5 ] =>

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@firebird-issue-importer firebird-issue-importer commented Mar 10, 2009

Modified by: @AlexPeshkoff

status: Reopened [ 4 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.5 Beta 1 [ 10251 ]

Fix Version: 2.1.3 [ 10302 ]

Fix Version: 2.0.6 [ 10303 ]

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@firebird-issue-importer firebird-issue-importer commented Nov 9, 2009

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 18, 2016

Modified by: @pavel-zotov

QA Status: No test

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