# Java recovery api, stale shard information?

**URL:** <https://discuss.elastic.co/t/java-recovery-api-stale-shard-information/23503>\
**Category:** Elasticsearch\
**Created:** [April 30, 2015, 5:50pm UTC](https://discuss.elastic.co/t/java-recovery-api-stale-shard-information/23503 "2015-04-30T17:50:37Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![bitsofinfo](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bitsofinfo/32/459_2.png) [@bitsofinfo](https://discuss.elastic.co/u/bitsofinfo)\
**Post date:** [April 30, 2015, 5:50pm UTC](https://discuss.elastic.co/t/java-recovery-api-stale-shard-information/23503/1 "2015-04-30T17:50:37Z")

</div>

Hi,  
I am using ES 1.5.2

For a given index I am trying to determine which ES node(s) hold the  
primary shards at any given time.

I am using the Java API

I make a RecoveryRequest for a specific index to a node, and get back  
a RecoveryResponse, I then do the following to create a simple list that  
only contains nodes which are primary for a given shard. I just switch on  
getPrimary then match on nodeId from a previously built map of nodes that I  
have.

response.shardResponses.values.foreach(srrList =\> {  
srrList.foreach(shardRecoveryResponse =\> {

```
                val recoveryState = shardRecoveryResponse.recoveryState;
                if (recoveryState.getPrimary) {
                    primaryNodes += 

```

nodeMap(recoveryState.getSourceNode.getId)  
}  
})  
})

The issue is this.

a) I startup my cluster with a test index, 5 shards and only a few  
documents. The cluster is 4 nodes. The shards are distributed as such (via  
the head plugin) (all green)

node1: s(1)-replica, s(2)-primary, s(3)-primary  
node2: s(2)-replica, s(4)-replica  
node3: s(0)-replica, s(3)-replica, s(4)-primary  
node4: s(0)-primary, s(1)-primary

b) I run my little bit of code like the above and I get back what I would  
expect, (node1, node3 and node4) as the only nodes in my list because they  
are the only ones w/ primary shards

c) I then shut down node1 (currently holds 2 primary shards)

d) The cluster now balances and looks like this (via the head plugin) (all  
green)

node2: s(1)-replica, s(4)-replica, s(2)-primary  
node3: s(0)-replica, s(3)-primary, s(4)-primary  
node4: s(0)-primary, s(1)-primary, s(2)-replica, s(3)-replica

e) I run my little bit of code again and I DON'T get back what I expect the  
data within the RecoveryResponse states primary shard holding nodes are  
(node3 and node4). Node2 (according to data within RecoveryResponse) does  
not hold any primary shards..... Even after killing my client and  
completely re-connecting I get the same response.

f) The only way I can get a correct view of the cluster after a rebalance  
is by closing the index, then re-opening it. Once this is done then the  
data in RecoveryResponse is correct (matches what head plugin says)

I am using this api wrong? Is this expected?

thanks

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---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 12:16am UTC](https://discuss.elastic.co/t/java-recovery-api-stale-shard-information/23503/2 "2017-07-06T00:16:37Z")

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Closed on July 6, 2017, 12:16am UTC