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

Solution

Overview

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 AllocableTotal Size RecommendedTotal Size AllocatedTotal Actual SizeAverage SavingsByte-Cache Status
14:40:18 07/06/201203:05:00 08/06/2012933 GB664 GB858 GB419 MB(171/256)Sufficient Resources
Cause
Resolution
Workaround
Additional Information
Bug Number
InQuira Doc IdFAQ2161
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