FAQ

What is "Tot Size Alloc'd" of /ADN/show/sizing/peers in sysinfo? Why we need to check it out.

FAQ ID:    FAQ2161
Version:    2.0
Status:    Published
Published date:    06/07/2012
Updated:    09/17/2013
 

Answer

You can see how much space the dictionary is consuming on the disk system in an ADN environment. Here is an example in SGOS 6.2.

In sysinfo, URL_Path /ADN/show/sizing/peers

                         |          Time of         |Tot Size|  Total |Tot Size
   Current Time (UTC)    |  Next Peer Ranking (UTC) |Allocabl|Rec Size| Alloc'd
-------------------------|--------------------------|--------|--------|--------
     00:01:16 08/02/2012 |      18:05:00 08/02/2012 |  933 GB|  664 GB|  858 GB
    Peer ID     |Traffic|Savings|  Adj. |  Rec. | Alloc.| Actual| Manual| Flags
                |       |       |  Gzip |  Size |  Size |  Size |  Size |
----------------|-------|-------|-------|-------|-------|-------|-------|-------
      4410162xxx| 315 MB|   0  B|  54 KB|1409 MB| 100 MB| 419 MB|   0  B|_______
  2476   Clients| 427 GB|  75 GB|9380 MB| 663 GB| 858 GB| 873 GB|   0  B|

In the example above, Tot Size Alloc'd is 858GB, and it's the sum of each Alloc size (858GB+100MB). So it's nearly 858GB, however it's not actual allocated size on the disk; it's an estimated size based on the traffic. When Tot Size Alloc'd gets close to 92% of Total Size Allocable, the ProxySG shows the message "Size_dictionary - no room for xxx". (xxx indicates peers ID), and enters R/O mode to the dictionary.
 

*This example shows individual peer. 2476 Clients means 2476 ProxyClients.

You can also see a summary of these values in an advanced URL, as shown below.

https://SG-ip:8082/ADN/show/sizing/peers

Current Time (UTC) Time of Next Peer Ranking (UTC) Total Size Allocable Total Size Recommended Total Size Allocated Total Actual Size Average Savings Byte-Cache Status
14:40:18 07/06/2012 03:05:00 08/06/2012 933 GB 664 GB 858 GB 419 MB (171/256) Sufficient Resources

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