Need help for Custom Score On Array Fields

2015-01-15 Thread Sang Dang
Hi All,

Currently I have an array type, and I need to calculate score base on num 
matched terms filters.
For example:

Here is my mappings :

{
"tweet" : {
"properties" : {
"tags" : {"type" : "string", "index_name" : "tag"},
}
}
}

My data will be indexed like that :

{
"tweet" : {  
"tags" : ["USA","VN","GM"]
}
}

So if I query with terms filter for : "USA", and "GM"

My score will be 2/3 (it's mean num matched / tags array). (actually the 
score will be calculated with complex formal, but I just one to focus on 
the problem)

Thanks in advance. 



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Not analyzed for all field for all Index

2014-11-12 Thread Sang Dang
Hi all,
currently my index will create automatically when a new doc indexed. so I 
couldn't use CreateMapping request to set mapping property.
I would like to know whether i could set it by default for store only bc i 
really need to increase my indexing perfomance (expect 1M req/sec)

P/S if there is any tips for improve indexing throughput, please share me, 
thanks :)

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Re: Using Pig/Spark on ElasticSearch (as External Storage)

2014-10-12 Thread Sang Dang
Hi Costin Leau,

Currently I just pull all data in one index (INDEX_NAME_DATE) 
In my benmark, I just do two function, count and count distinct field.

P/S: Thanks for your fast response, I would really happy to see you at IRC 
(just give me the time).





On Sunday, October 12, 2014 8:02:57 PM UTC+7, Costin Leau wrote:
>
> It depends on various factors. Do you put all the data under one index or 
> is it one index per day/month/hour? What type of script and performance 
> degradation do you see? If it's easier feel free to reach out on irc. I'll 
> be traveling this week but we'll be back the next one.
>   Cheers
> On Oct 12, 2014 2:51 PM, "Sang Dang" > 
> wrote:
>
>> Hi All,
>> Currently I am using ElasticSearch for a logging system.
>> My first solution is that every log will put on ES and index will rolling 
>> by date.
>> To do real time stats, I will use Aggregation.
>> To do statistic I will use Spark (or Hive, Shark whatever) on ES data 
>> (thanks to ElasticSearch-Hadoop plugin 
>> All is fine, but when my data grows (currently 17M record/index/date), 
>> Spark (Hive also) becomes very slow.
>>
>> I did benmark with the same data on ES and Hadoop, and I saw that Spark 
>> (Hive) run on Hadoop is much faster.
>>
>> Is there something I have missed ?
>>
>> Currently I maintain two storage, one is ES for realtime stats, another 
>> is Hadoop for other statistics. Is it fine ?
>>
>> I really appreciate any idea or solution.,
>>
>> Thanks.
>>
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Using Pig/Spark on ElasticSearch (as External Storage)

2014-10-12 Thread Sang Dang
Hi All,
Currently I am using ElasticSearch for a logging system.
My first solution is that every log will put on ES and index will rolling 
by date.
To do real time stats, I will use Aggregation.
To do statistic I will use Spark (or Hive, Shark whatever) on ES data 
(thanks to ElasticSearch-Hadoop plugin 
All is fine, but when my data grows (currently 17M record/index/date), 
Spark (Hive also) becomes very slow.

I did benmark with the same data on ES and Hadoop, and I saw that Spark 
(Hive) run on Hadoop is much faster.

Is there something I have missed ?

Currently I maintain two storage, one is ES for realtime stats, another is 
Hadoop for other statistics. Is it fine ?

I really appreciate any idea or solution.,

Thanks.

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Re: Need some advice to build a log central.

2014-08-25 Thread Sang Dang
Hello All,
I have selected #2 as my solution.
I write data to ES, and use kibana+ to realtime monitor.
For stats, I use Hive.

Each project, I will create a index, for each type of log I will put in a 
ES Type, 
ex: ProjectX>>log_debug
  >>log_error
  >>Stats_API
  >>Stats_PageView
  >>Stats_XYZ

I am wonder whether it's good ?
Should I separate by time for each type of project ?

Regards.

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Re: Need some advice to build a log central.

2014-08-25 Thread Sang Dang
Hi Vineeth Mohan,
My log central will contain 2 type of log, one is for log to debug/monitor, 
other is for stats.
I have 2 ways to achieve it:

#1 , I use only ES, it's ok to log for debug/monitor (using kibana). 
To do stats, I will build some extra api (base on 
filter/facet/agregration...)

#2, I use ES as external data storage, and write data to ES use Apache Hive 
(https://github.com/elasticsearch/elasticsearch-hadoop#apache-hive)
this approach will help me alot in doing stats, but I don't know whether 
it's good for logging other info ( to debug/monitor purpose).

I really appreciate your help :)

Best Regards.

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Need some advice to build a log central.

2014-08-24 Thread Sang Dang
Hi All,
I am going to build a log central using ElasticSearch.
I need some advice from anyone who have built it already.




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