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Re: [libvirt] Leaky virsh?



On Thu, Feb 05, 2009 at 07:23:36PM -0500, Jim Paris wrote:
> John Levon wrote:
> > 
> > Running virsh with the remote driver (as it always is on Solaris), it
> > leaks pretty heavily:
> 
> Yeah, it seems there is no limit on the size of the readline history,
> so it just grows forever.  Try this?

[snip]

> Date: Thu, 5 Feb 2009 19:21:01 -0500
> Subject: [PATCH] virsh: limit history entries
> 
> Limit the number of readline history entries in virsh, to avoid
> unbounded memory usage.
> ---
>  src/virsh.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/src/virsh.c b/src/virsh.c
> index fd23e9f..e879982 100644
> --- a/src/virsh.c
> +++ b/src/virsh.c
> @@ -6776,6 +6776,9 @@ vshReadlineInit(void)
>  
>      /* Tell the completer that we want a crack first. */
>      rl_attempted_completion_function = vshReadlineCompletion;
> +
> +    /* Limit the total size of the history buffer */
> +    stifle_history(500);
>  }
>  
>  static char *

Thanks, I'd applied this patch.

If anyone is feeling motivated, it could be nice to have virsh load/save 
its history to $HOME/.libvirt/virsh.history between invocations.

Daniel
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