[c-nsp] Extremely slow performing show running-config

[Tassos Chatzithomaoglou]

We have 2 6500/SUP2 running old 12.1(26)E9 and having almost 1MB of uncompressed config and 14500 lines:

6500#sh start
Using 178291 out of 391160 bytes, uncompressed size = 976219 bytes

"sh run" takes about 10 sec and "sh start" only 1 sec.
On the other hand "wr mem" takes about 80 sec (compression adds time too).

I don't know if the following make any difference in our case:

6500#sh vlan sum
Number of existing VLANs           : 40
  Number of existing VTP VLANs      : 40
  Number of existing extended VLANs : 0

6500#sh idb | i IDBs
Maximum number of IDBs 5000
440 SW IDBs allocated (2656 bytes each)
501 HW IDBs allocated (6744 bytes each)


--
Tassos

Phil Mayers wrote on 30/9/2008 12:53 μμ:
> Jason Koh wrote:
>> Hi there.
>>
>> 1. The time taken for show run is about 7-10 minutes long
>>
>> 2. #sh start
>> Using 67275 out of 391160 bytes
>> Can't really tell how much lines are there. It's a lot.
> 
> For comparison, we've got:
> 
> Using 220185 out of 1964024 bytes
> 
> ...and ~8300 lines in the config and an nvgen (sh run/wr mem/copy run 
> start) takes ~70 seconds.
> 
> However, we're on a sup720
> 
>>
>> 3. ROM: System Bootstrap, Version 12.1(11r)E1, RELEASE SOFTWARE (fc1)
>> BOOTLDR: c6sup2_rp Software (c6sup2_rp-PS-M), Version 12.2(18)SXD4, 
>> RELEASE
>> SOFTWARE (fc1)
>> System image file is "sup-bootflash:c6k222-ps-mz.122-18.SXD4.bin"
> 
> You should probably consider upgrading that, but I have no idea if it'll 
> correct the problem.
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