I recently recieved some exceptions in my log while updating documents
into my index.
org.elasticsearch.ElasticSearchIllegalArgumentException: TTL value must be
> 0. Illegal value provided [-17810]
at
org.elasticsearch.action.index.IndexRequest.ttl(IndexRequest.java:291)
at
org.elasticsearch.action.update.UpdateHelper.prepare(UpdateHelper.java:153)
at
org.elasticsearch.action.update.UpdateHelper.prepare(UpdateHelper.java:60)
at
org.elasticsearch.action.update.TransportUpdateAction.shardOperation(TransportUpdateAction.java:183)
at
org.elasticsearch.action.update.TransportUpdateAction.shardOperation(TransportUpdateAction.java:179)
at
org.elasticsearch.action.update.TransportUpdateAction.shardOperation(TransportUpdateAction.java:63)
at
org.elasticsearch.action.support.single.instance.TransportInstanceSingleOperationAction$AsyncSingleAction$1.run(TransportInstanceSingleOperationAction.java:192)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
I insert/update a lot of documents into Elasticsearch daily at 3:00 am by
using an UPSERT command.
All of these documents (offers) have a TTL of 30 days (set using a template)
client.prepareUpdate(indexName, documentTypeName, offer.internal_id)
.setDoc(offer)
.setUpsert(newOffer)
I don't understand why I receive these errors. The expired documents
*should already be removed* by elasticsearch right? Any help or pointers
are much appreciated.
Questions:
1) I insert a document with a TTL of 30 days. I update this document daily.
Will the TTL be reset to 30 days on every update or will it just decrease
no matter what I do with the document.?
2) I found a similar topic
https://groups.google.com/forum/#!msg/elasticsearch/ifvWZJjQuvU/cZzkhfmg6YoJ
with Github issue
https://github.com/elasticsearch/elasticsearch/issues/3256. This case
describes a race condition while updating a document right after the TTL
expired. In my case however documents are updated daily so expired document
should already be removed right?
3) is there a way (e.g. a query) to tell what documents are about to expire
/ or are expired and need to be removed by elasticsearch.
4) When query elasticsearch for document which have a TTL < 0 , it returns
no documents. How come? This is the query I execute:
{
"fields": ["_ttl"],
"query": {
"match_all": {}
},
"filter": {
"range": {
"_ttl": {
"lte": 1
}
}
}
}
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