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WAAS DRE Utilization

Hi All:

I've notice our DRE cache has dropped from days down to 4hrs hours in the data center.  Before adding another appliance to the farm, I would like to know if there is a way to see what is eating up the cache?  For example, is it a specific site using more DRE cache than others or a particular traffic flow eating up the majority.  What kind of visability does the WAAS provide into this?

Thanks,

Patrick

USNAPNWA003# sh stat dre

Cache:
    Status: Usable, Oldest Data (age): 4h
    Total usable disk size: 486383 MB,  Used: 96.47%

Connections:   Total (cumulative): 86069137   Active: 3626

Encode:
   Overall: msg: 3203768735, in: 29227196 MB, out: 21539136 MB, ratio:  26.30%
       DRE: msg: 2384857012, in: 28963205 MB, out: 24652942 MB, ratio:  14.88%
DRE Bypass: msg: 1001849123, in: 263983 MB
        LZ: msg: 2403780584, in: 6210196 MB, out: 2825727 MB, ratio:  54.50%
LZ Bypass: msg:  799988151, in: 18706729 MB
    Avg latency:      1.787 ms, Avg msg size:   9565 B
  Message size distribution:
    0-1K=66%  1K-5K=10%  5K-15K=5%  15K-25K=3%  25K-40K=4%  >40K=10%
Decode:
   Overall: msg: 3354130897, in: 5592399 MB, out: 15177371 MB, ratio:  63.15%
       DRE: msg: 2912664836, in: 9287766 MB, out: 14952478 MB, ratio:  37.88%
DRE Bypass: msg: 1410059901, in: 224893 MB
        LZ: msg: 2378716656, in: 2608523 MB, out: 6535534 MB, ratio:  60.09%
LZ Bypass: msg:  975414241, in: 2983876 MB
    Avg latency:      2.567 ms, Avg msg size:   4744 B
  Message size distribution:
    0-1K=69%  1K-5K=16%  5K-15K=3%  15K-25K=2%  25K-40K=3%  >40K=3%

Everyone's tags (2)
1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

WAAS DRE Utilization

Hi Patrick,

You can get separate statistics for each of the DRE peers using the command "WAE# show statistics peer dre". With this command, you should be able to see which peer is consuming most of the disk space and the amount of connections each of them have.

I hope this helps

Daniel

2 REPLIES
Cisco Employee

WAAS DRE Utilization

Hi Patrick,

You can get separate statistics for each of the DRE peers using the command "WAE# show statistics peer dre". With this command, you should be able to see which peer is consuming most of the disk space and the amount of connections each of them have.

I hope this helps

Daniel

New Member

WAAS DRE Utilization

Perfect.  That is exactly what I needed.  I have it narrow down to flows between two appliances.  Thanks!

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