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From "Ilya Kasnacheev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-6422) In visorcmd "cache on nodes" statistics mixes together primary and backup entries
Date Mon, 18 Sep 2017 14:03:00 GMT
Ilya Kasnacheev created IGNITE-6422:
---------------------------------------

             Summary: In visorcmd "cache on nodes" statistics mixes together primary and backup
entries
                 Key: IGNITE-6422
                 URL: https://issues.apache.org/jira/browse/IGNITE-6422
             Project: Ignite
          Issue Type: Bug
          Components: visor
    Affects Versions: 2.3
            Reporter: Ilya Kasnacheev
            Assignee: Vasiliy Sisko


Suppose we have a cache, with 1000 entries, one backup and eviction after 500 entries. Then,
off-heap entries are doubled in visorcmd, while on-heap entries are not:

{code}
+-----------------------------------------------------+
| Name(@)                     | EmployeesCache(@c0)   |
| Nodes                       | 2                     |
| Total size Min/Avg/Max      | 1500 / 1500.00 / 1500 |
|   Heap size Min/Avg/Max     | 500 / 500.00 / 500    |
|   Off-heap size Min/Avg/Max | 1000 / 1000.00 / 1000 |
+-----------------------------------------------------+

Nodes for: EmployeesCache(@c0)
+=============================================================================================================+
|      Node ID8(@), IP      | CPUs | Heap Used | CPU Load |   Up Time    |         Size  
      | Hi/Mi/Rd/Wr |
+=============================================================================================================+
| 37333BC6(@n0), 172.16.9.1 | 8    | 4.47 %    | 0.40 %   | 00:00:47:154 | Total: 1500   
      | Hi: 0       |
|                           |      |           |          |              |   Heap: 500   
      | Mi: 0       |
|                           |      |           |          |              |   Off-Heap: 1000
    | Rd: 0       |
|                           |      |           |          |              |   Off-Heap Memory:
0 | Wr: 0       |
+---------------------------+------+-----------+----------+--------------+----------------------+-------------+
| 26FD4343(@n1), 172.16.9.1 | 8    | 3.09 %    | 0.23 %   | 00:00:41:602 | Total: 1500   
      | Hi: 0       |
|                           |      |           |          |              |   Heap: 500   
      | Mi: 0       |
|                           |      |           |          |              |   Off-Heap: 1000
    | Rd: 0       |
|                           |      |           |          |              |   Off-Heap Memory:
0 | Wr: 0       |
+-------------------------------------------------------------------------------------------------------------+
'Hi' - Number of cache hits.
{code}

By contrast, on 1.9 it looks like this:
{code}
Cache 'EmployeesCache(@c0)':
+-----------------------------------------------------+
| Name(@)                     | EmployeesCache(@c0)   |
| Nodes                       | 2                     |
| Total size Min/Avg/Max      | 1000 / 1000.00 / 1000 |
|   Heap size Min/Avg/Max     | 500 / 500.00 / 500    |
|   Off-heap size Min/Avg/Max | 500 / 500.00 / 500    |
+-----------------------------------------------------+

Nodes for: EmployeesCache(@c0)
+================================================================================================================+
|      Node ID8(@), IP      | CPUs | Heap Used | CPU Load |   Up Time    |          Size 
         | Hi/Mi/Rd/Wr |
+================================================================================================================+
| 3229FABE(@n0), 172.16.9.1 | 8    | 1.25 %    | 0.23 %   | 00:00:43:111 | Total: 1000   
         | Hi: 0       |
|                           |      |           |          |              |   Heap: 500   
         | Mi: 0       |
|                           |      |           |          |              |   Off-Heap: 500
        | Rd: 0       |
|                           |      |           |          |              |   Off-Heap Memory:
88kb | Wr: 0       |
+---------------------------+------+-----------+----------+--------------+-------------------------+-------------+
| 58FA742B(@n1), 172.16.9.1 | 8    | 1.15 %    | 0.47 %   | 00:00:38:828 | Total: 1000   
         | Hi: 0       |
|                           |      |           |          |              |   Heap: 500   
         | Mi: 0       |
|                           |      |           |          |              |   Off-Heap: 500
        | Rd: 0       |
|                           |      |           |          |              |   Off-Heap Memory:
88kb | Wr: 0       |
+----------------------------------------------------------------------------------------------------------------+
{code}

NB: It might be feasible to keep number of backup entries displayed in visorcmd, but without
adding them up with primary entries. Another dedicated line perhaps? Should also probably
be consistent with other memory kinds.



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