# Percolator sometimes doesn't refresh queries

**URL:** <https://discuss.elastic.co/t/percolator-sometimes-doesnt-refresh-queries/16496>\
**Category:** Elasticsearch\
**Created:** [March 20, 2014, 11:58am UTC](https://discuss.elastic.co/t/percolator-sometimes-doesnt-refresh-queries/16496 "2014-03-20T11:58:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tomasz\_Romanczuk](https://avatars.discourse-cdn.com/v4/letter/t/5e9695/32.png) [@Tomasz\_Romanczuk](https://discuss.elastic.co/u/Tomasz_Romanczuk)\
**Post date:** [March 20, 2014, 11:58am UTC](https://discuss.elastic.co/t/percolator-sometimes-doesnt-refresh-queries/16496/1 "2014-03-20T11:58:08Z")

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I indexed 100000 queries in percolator index. Next 90000 was deleted.  
Sometimes it looks like index didn't refresh (I repeated step many times),  
deleted queries are still matched and returned in resposne. I tried to  
clear cache and refresh index, but sometimes it doesn't work, my code:

BulkRequestBuilder bulkRequest = client.prepareBulk();  
while (some condition) {  
bulkRequest.add(client.prepareIndex("\_percolator", INDEX\_NAME,  
id).setSource(...));  
}  
while (some condition) {  
bulkRequest.add(client.prepareDelete("\_percolator", INDEX\_NAME, id));  
}  
BulkResponse response = bulkRequest.setRefresh(true).execute().actionGet();  
client.admin().indices().prepareClearCache(INDEX\_NAME).execute().actionGet();  
client.admin().indices().prepareClearCache(PERCOLATOR).execute().actionGet();  
client.admin().indices().prepareRefresh(INDEX\_NAME).execute().actionGet();  
client.admin().indices().prepareRefresh(PERCOLATOR).execute().actionGet();

How to make sure that after bulk request (response.hasFailures() always  
returns false) percolator index will be refreshed?

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**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, 1:41am UTC](https://discuss.elastic.co/t/percolator-sometimes-doesnt-refresh-queries/16496/2 "2017-07-06T01:41:54Z")

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