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https://issues.apache.org/jira/browse/IGNITE-3373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15351060#comment-15351060
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Andrey Velichko edited comment on IGNITE-3373 at 6/27/16 2:09 PM:
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1 Run first instance

[17:06:52] Topology snapshot [ver=1, servers=1, clients=0, CPUs=8, heap=3.5GB]
Started node fff3de00-bf3b-4555-a22a-a7310c0f3a79
[local] creating collection [numbers]
[local] size=0, contains=false
[local] Size of the numbers distributed set is 0, and items are []
[local] Is collocated? true
[local] numbers contains 42? false
[affinity] Running on fff3de00-bf3b-4555-a22a-a7310c0f3a79 node
[affinity] Size of the numbers distributed set is 0, and items are []
[affinity] Is collocated? true
[affinity] numbers contains 42? false

2 Run second instance, size at line 3 incorrect

[17:07:38] Topology snapshot [ver=2, servers=2, clients=0, CPUs=8, heap=7.1GB]
Started node 287b112b-c06b-4e46-bf5d-04f4d5616734
[local] size=0, contains=true   ---> ERROR
[local] Size of the numbers distributed set is 0, and items are []
[local] Is collocated? true
[local] numbers contains 42? true

See details  
http://apache-ignite-users.70518.x6.nabble.com/Strange-collocated-distributed-set-behavior-td5643.html


was (Author: andreyvel):
Need run2 instances. Second instance shows size==0.

> Distributed IgniteSet shows size() == 0 for any new node
> --------------------------------------------------------
>
>                 Key: IGNITE-3373
>                 URL: https://issues.apache.org/jira/browse/IGNITE-3373
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Andrey Velichko
>         Attachments: DistributedSetDemo.java
>
>
> For distributed IgniteSet new node shows incorrdet set size
> igniteSet.size() == 0
>         CollectionConfiguration collectionConfiguration = new 
> CollectionConfiguration();
>         collectionConfiguration.setCollocated(true); 
>         IgniteSet<Long> numbers = ignite.set("numbers", null);
>         if (numbers == null) {
>             System.out.println("[local] creating collection [numbers]");
>             numbers = ignite.set("numbers", collectionConfiguration);
>         }
>         boolean cont = numbers.contains(42L);         // true - OK
>         int num = numbers.size();             // 0 Error ???
>         System.out.println("size=" + num + ", contains=" + cont);
>         numbers.forEach(val -> {
>             System.out.println(val); // Iterator is not iterate :(
>         });
>       numbers.add(42L);
>       Thread.sleep(1000 * 6000);



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