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Showing posts with label elasticsearch. Show all posts
Showing posts with label elasticsearch. Show all posts
Sunday, July 17, 2016

angelhack kuala lumpur 2016

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Coding is something I have passion about and if you have been following me in my blog, you should know most of the article are big data tech...
Friday, July 3, 2015

how big data can help legal firm?

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Today, we are going to something a little different than our usual learning journey. By that, I mean not purely on information technology bu...
Friday, May 8, 2015

Elasticsearch no node exception happened in tomcat web container

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If you ever get the stack trace in web container log file such as below and wondering how to solve these. Then read on but first, a little b...
Sunday, March 15, 2015

Investigate into elasticsearch already flushing exception

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Today, we will take a look at another elasticsearch issue. The example of message output in the log file happened in one of my node. [2015-...
Saturday, March 14, 2015

Investigate into elasticsearch indices memory marking shard active or inactive

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If you have enable logging for indices memory controller indices.memory: DEBUG in logging.yml in elasticsearch 0.90 to see how is the sha...
Sunday, March 1, 2015

Study logic elasticsearch discovery zen fd ping_timeout and ping_retries

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Today, we are going to study two parameter from elasticsearch version 0.90.7, specifically discovery.zen.fd.ping_timeout discovery.zen....
Friday, February 27, 2015

how to determine currently occupied queue size and cache usage in elasticsearch 0.90

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Have you encounter situation like, when a elasticsearch client is indexing into elasticsearch cluster, the client get rejected exception fro...
Friday, August 1, 2014

CVE-2014-3120 Elastic Search Remote Code Execution

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First off, I would like to express the intention of this article is to protect and safeguard of administrators / developers who uses elastic...
Monday, December 23, 2013

Elasticsearch index slow log for search and indexing

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Today, we are going to learn on the logging for elasticsearch for its search and index. In elasticsearch config file, elasticsearch.yml, it ...
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Friday, December 20, 2013

Changing ElasticSearch logging level by updating cluster setting.

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In this article, we are going to learn how to update logging for all the in the elasticsearch cluster. Because logging is crucial in underst...