Hi

I can confirm that after installing patched slurm-plugins package slurmctld 
memory consumption is normal again. Many thanks for the quick fix

BR,

Tommi

--- On Tue, 4/5/11, Jette, Moe <[email protected]> wrote:

> From: Jette, Moe <[email protected]>
> Subject: RE: [slurm-dev] Gres-plugin leaks memory?
> To: "[email protected]" <[email protected]>
> Date: Tuesday, April 5, 2011, 2:47 PM
> The attached patch should fix the
> memory leak. This occurs only with
> select/cons_res, sched/backfill, and generic resources
> configured.
> The change will be in SLURM version 2.2.5. Please verify
> that it fixes 
> your memory leak.
> 
> Index: src/plugins/select/cons_res/select_cons_res.c
> ===================================================================
> ---
> src/plugins/select/cons_res/select_cons_res.c   
> (revision 23019)
> +++
> src/plugins/select/cons_res/select_cons_res.c   
> (working copy)
> @@ -493,10 +493,15 @@
>  static void _destroy_node_data(struct node_use_record
> *node_usage,
>             
>        struct node_res_record
> *node_data)
>  {
> +    int i;
> +
>      xfree(node_data);
>      if (node_usage) {
> -        if
> (node_usage->gres_list)
> -           
> list_destroy(node_usage->gres_list);
> +        for (i = 0; i <
> select_node_cnt; i++) {
> +           
> if (node_usage[i].gres_list) {
> +           
>     list_destroy(node_usage[i].gres_list);
> +           
> }
> +        }
>          xfree(node_usage);
>      }
>  }
> 
> ________________________________________
> From: [email protected]
> [[email protected]]
> On Behalf Of Tommi T [[email protected]]
> Sent: Tuesday, April 05, 2011 12:33 AM
> To: [email protected]
> Subject: [slurm-dev] Gres-plugin leaks memory?
> 
> Hello
> 
> After configuring gres-plugin, slurmctld started to leak
> memory a lot:
> 
> ==25614== 29,259,064 (12,594,792 direct, 16,664,272
> indirect) bytes in 1,229 blocks are definitely lost in loss
> record 369 of 369
> ==25614==    at 0x4C20E1C: malloc
> (vg_replace_malloc.c:195)
> ==25614==    by 0x478ADC: slurm_xmalloc
> (xmalloc.c:94)
> ==25614==    by 0x47C25E: list_alloc_aux
> (list.c:964)
> ==25614==    by 0x47C951: list_create
> (list.c:905)
> ==25614==    by 0x4FBC3C:
> gres_plugin_node_state_dup (gres.c:1709)
> ==25614==    by 0x65B950A: _dup_node_usage
> (select_cons_res.c:401)
> 
> Here are config files and full valgrind log
> 
> http://www.puuppa.org/~teve/slurm-current.conf
> http://www.puuppa.org/~teve/val2.out.bz2
> http://www.puuppa.org/~teve/gres.conf
> 
> TIA,
> 
> Tommi
> 
> 
> 
> 


      

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