“[circuit_breaking_exception] [parent]” Data too large, data for “[]” would be error

After some more research finally, I found a solution for this i.e We should not disable circuit breaker as it might result in OOM error and eventually might crash elasticsearch. dynamically increasing circuit breaker memory percentage is good but it is also a temporary solution because at the end after solution increased percentage might also … Read more

Elasticsearch URI based query with AND operator

For URI search in ElasticSearch, you can use either the AND operator profiletype:student AND username:s, as you say but without quotes: _search?q=profiletype:student AND username:s* You can also set the default operator to AND _search?q=profiletype:student username:s*&default_operator=AND Or you can use the + operator for terms that must be present, i.e. one would use +profiletype:student +username:s as … Read more

How to check if an index exists in elasticsearch using a python script and perform exception handling over it?

You have to call it on indices. Currently you are using exists of search class which tells you whether given document exists in the index and not the index itself. Try this code if es.indices.exists(index=”index”): Your code for search There are also more options if you want to use.

How to delete documents from Elasticsearch

Since you are not giving a document id while indexing your document, you have to get the auto-generated document id from the return value and delete according to the id. Or you can define the id yourself, try the following: db.index(index=”reestr”,doc_type=”some_type”,id=1919, body=doc) db.delete(index=”reestr”,doc_type=”some_type”,id=1919) In the other case, you need to look into return value; r … Read more

Remove duplicate documents from a search in Elasticsearch

You could use field collapsing, group the results on the name field and set the size of the top_hits aggregator to 1. /POST http://localhost:9200/test/dedup/_search?search_type=count&pretty=true { “aggs”:{ “dedup” : { “terms”:{ “field”: “name” }, “aggs”:{ “dedup_docs”:{ “top_hits”:{ “size”:1 } } } } } } this returns: { “took” : 192, “timed_out” : false, “_shards” : { … Read more

Courier Fetch: shards failed

For me tuning the threadpool search queue_size solved the issue. I tried a number of other things and this is the one that solved it. I added this to my elasticsearch.yml threadpool.search.queue_size: 10000 and then restarted elasticsearch. Reasoning… (from the docs) A node holds several thread pools in order to improve how threads memory consumption … Read more

Cluster has already maximum shards open

Aside from the answers mentioned above, you can also try increasing the shards until you try to rearchitect the nodes curl -X PUT localhost:9200/_cluster/settings -H “Content-Type: application/json” -d ‘{ “persistent”: { “cluster.max_shards_per_node”: “3000” } }’ Besides, the following can be useful the should be proceeded with CAUTION ofcourse Get total number of unassigned shards in … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)