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[expand - 7 more] - Invalid initial heap size - ElasticSearch - [mail # user]
...I really don't think this has anything to do with Elasticsearch. This is all JVM trying to access and reserve the amount of memory you assign and for some reasons it can't get a hold over th...
   Author: Maziyar PANAHI , 2018-09-14, 12:25
Mapping Wikipedia dump: mapper_parsing_exception - ElasticSearch - [mail # user]
...Hello,I am trying to put Wikipedia [cirrus-mapping-dump](https://en.wikipedia.org/w/api.php?action=cirrus-mapping-dump&format=json) into an index template, but I am encountering this error:h...
   Author: Maziyar PANAHI , 2018-08-25, 17:27
Elasticsearch Index Completely Missing - ElasticSearch - [mail # user]
...I know this won't help to protect the privacy of your data when ES is open to the internet as intruders can still read, but it is highly advised to set this setting to true to make it as har...
   Author: Maziyar PANAHI , 2018-07-22, 16:44
Limit the flexibility of a query_string query? - ElasticSearch - [mail # user]
...Hi,Not sure what @Anil_Rhemtulla has finally done to overcome this issue, butI have the same problem with query_string. Very powerful and at the same time very exposed and unrestricted. I do...
   Author: Maziyar PANAHI , 2017-05-21, 23:09
[expand - 1 more] - Nested datatype and dynamic mapping - ElasticSearch - [mail # user]
...Ok I had to fix the mapping as the following and re-index each index by using Reindex API, dynamic mapping didn't work on the nested objects:          "product": {&n...
   Author: Maziyar PANAHI , 2017-04-26, 10:37
[expand - 6 more] - Upgrading cluster 5.2: Out of memory: Kill process - ElasticSearch - [mail # user]
...Ok that's some good stats. May I know the size of those documents? Also, how many shards/replica? The reason I am asking is, it may be 20/s but they can be huge or with so many fields that i...
   Author: Maziyar PANAHI , 2017-03-15, 17:36
Ransom attack on Elasticsearch cluster? - ElasticSearch - [mail # user]
...Alright, I have a huge cluster with billions of documents. It scares me to death every time I see post like this which unfortunately the number of blogs and reports are growing recently.The ...
   Author: Maziyar PANAHI , 2017-01-26, 16:50
[expand - 1 more] - Groovy script in Elastic Stack 5.0 error: action request validation exception - ElasticSearch - [mail # user]
...After spending the entire day on this, apparently something has changed in elasticsearch.js new version that needs the script field be formatted as follow:          ...
   Author: Maziyar PANAHI , 2016-11-12, 20:28
[expand - 2 more] - Memory confusion in Ubuntu 16.04 - ElasticSearch - [mail # user]
...You are absolutely right! I've been enabling mlockall for years even though the swap was off but this time I didn't even bother to create Swap partition but automaticallyI enabled mlockall i...
   Author: Maziyar PANAHI , 2016-05-26, 09:53
Path.repo is empty - ElasticSearch - [mail # user]
...Here's how I did it. My situation is a bit different, each node is a KVM machine so at the end the NFS was written by kvm user and I gave it chmod 777 to make this happen. I added path....
   Author: Maziyar PANAHI , 2016-03-29, 22:15