at 9:11 AM, Xudong You xudon...@gmail.com
javascript: wrote:
Thanks Nikolas,
How do you think about dedicated client node (the so called load
balance node)? Any benefit of dedicated client node? Seems to me, round
robin to data nodes is good enough.
On Friday, May 29, 2015 at 10:55:01 PM
but its not a huge problem.
On Fri, May 29, 2015 at 10:44 AM, Xudong You xudon...@gmail.com
javascript: wrote:
Right now we only need 4 ES nodes due to the small data volume, and all 4
nodes are master data nodes.
Q1:
I am wondering in this case, is it necessary to have dedicated master
Right now we only need 4 ES nodes due to the small data volume, and all 4
nodes are master data nodes.
Q1:
I am wondering in this case, is it necessary to have dedicated master and
client node? Any benefit of having dedicated master node?
Some one said that dedicated master nodes (say, three
}}
{ tags : null }
{ index: { _id: 5 }}
{ tags : [search, null] }
GET /my_index/_search
GET /my_index/_search
{
fields: [
tags
],
query: { match_all: {}}
}
On 26 May 2015 at 09:33, Xudong You xudon
For example I have following 2 documents:
{id:1, title:elasticsearch, description:elasticsearch }
{id:1, title:elasticsearch, description:bing }
And following query:
{
query : {
bool: {
should: [
{
match: {
title: {
for that document it doesn''t exist
Have a look at this
https://www.elastic.co/guide/en/elasticsearch/guide/current/_dealing_with_null_values.html
On 26 May 2015 at 08:11, Xudong You xudon...@gmail.com javascript:
wrote:
I used fields to limit only return selected fields:
{
fields : [Title
I used fields to limit only return selected fields:
{
fields : [Title, Price],
query :{
...
}
}
The Price fields might be null for some of the documents, I found that only
when Price field value is NOT null, it is returned in ES response,
otherwise, it is missing in response. But if I remove
, Apr 30, 2015 at 7:56 AM, Xudong You xudon...@gmail.com
javascript: wrote:
Thanks!
So per your experience, is Elasticsearch query more CPU-bound or
IO-bound? Anyway, I will do more perf testing with real data on different
VMs to find out the best CPU Memory combination for my case
of performance you mean?
- mimimal response time for a single query
- maximum throughput for all queries
For maximum performance, all kind of virtual machines are a bad choice in
comparison to physical machines in your own data center.
Jörg
On Wed, Apr 29, 2015 at 4:17 AM, Xudong You xudon
to the nodes
with the shards it needs, distributing the initial query load across
multiple nodes means that you don't have a single node that has to deal
with all the indexing and querying results from the end users/clients.
On 29 April 2015 at 17:12, Xudong You xudon...@gmail.com javascript
in public
virtual machines because there are many others using the same resources at
the the same time in an unpredictable way.
Jörg
On Wed, Apr 29, 2015 at 11:02 AM, Xudong You xudon...@gmail.com
javascript: wrote:
I want better maximum throughput for all queries.
As for VM vs Physical
Any one has good suggestion?
On Tuesday, April 28, 2015 at 11:01:40 PM UTC+8, Xudong You wrote:
Hi ES experts,
I need your help on index design for a real scenario. It might be a long
question, let me try explain it as concise as possible.
We are building a search engine to provide site
hi,
I am using update by query plugin
(https://github.com/yakaz/elasticsearch-action-updatebyquery/) to update
documents by query.
In my case, there is nested field in document, the mapping is something
like this:
mappings : {
mytype : {
properties : {
Myfield1 : {
hi,
I am building ES on cloud Virtual machines, the cloud platform provides
different tier VMs to choose, say, 4 CPU cores, 28G memory, or 8 CPU cores,
14G memory etc. Different kind VM has different cost. To save our cost, I
want to choose the VM whose cost not exceed our budget and has best
Hi ES experts,
I need your help on index design for a real scenario. It might be a long
question, let me try explain it as concise as possible.
We are building a search engine to provide site search for our customers,
the document in index could be something like this:
{
I deployed ES on my machine and can access via HTTP url, but I did not
install IIS on my windows machine yet, so what web server does
Elasticsearch use on windows?
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I deployed my ES on windows machine and can access it via HTTP request, but
I did not install IIS yet, so what web server does ES used by default on
windows?
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Thanks Mark!
On Friday, April 17, 2015 at 6:22:24 AM UTC+8, Mark Walkom wrote:
-1 means unbound, ie unlimited.
On 16 April 2015 at 20:54, Xudong You xudon...@gmail.com javascript:
wrote:
Anyone knows how to change the max_file_descriptors on windows?
I built ES cluster on Windows and got
I was confused by the docs count value displaying in head plugin if there
is nest type field define in mapping
For example, I created a new index with following mapping:
{
mappings : {
doc : {
properties : {
QueryClicks : {
type :
Anyone knows how to change the max_file_descriptors on windows?
I built ES cluster on Windows and got following process information:
max_file_descriptors : -1,
open_file_descriptors : -1,
What does “-1 mean?
Is it possible to change the max file descriptors on windows platform?
--
You received
Thanks Glen!
On Friday, April 17, 2015 at 11:14:36 AM UTC+8, Glen Smith wrote:
Go to the browser tab and select the type. That will show the count you
are looking for.
On Thursday, April 16, 2015 at 10:44:29 PM UTC-4, Xudong You wrote:
Just figured out that the doc count is actually
-in.
Is there anyway let head just show the doc count, regarding if the doc has
nested field or not.
On Thursday, April 16, 2015 at 5:36:04 PM UTC+8, Xudong You wrote:
I was confused by the docs count value displaying in head plugin if there
is nest type field define in mapping
For example, I
BTW: If I just remove the type:nested from the mapping, the doc count
then is correct after insert one document.
Anyone has suggestions resolve this issue?
On Thursday, April 16, 2015 at 5:36:04 PM UTC+8, Xudong You wrote:
I was confused by the docs count value displaying in head plugin
://lucene.apache.org/core/4_10_2/core/org/apache/lucene/search/similarities/DefaultSimilarity.html
http://lucene.apache.org/core/4_10_2/core/index.html
Masaru
On March 26, 2015 at 14:36:45, Xudong You (xudon...@gmail.com
javascript:) wrote:
Per this post theory behind relevance scoring
Per this post theory behind relevance
scoring
http://www.elastic.co/guide/en/elasticsearch/guide/current/scoring-theory.html
Elasticsearch calculate the field-length norm as follows:
norm(d) = 1 / √numTerms
But per my testing, seems the actual result value calculated does not meet
above
elasticsearch calculates
score:
{
explain: true,
query: {
match: {
title: xbox
}
}
}
On Tuesday, March 10, 2015 at 3:15:50 PM UTC+7, Xudong You wrote:
I have two documents as follows:
1.
{
title:xbox
}
2.
{
title:xbox xbox xbox
}
Then I search the documents with following query
in)
maxDocs reflects the total number of documents on this shard
Third
maxDocs (and docFreq) do not reflect deletions.
Lastly,
I presume you can find the documents you think you're adding in the index?
Hope that helps
-Doug
On Tue, Mar 10, 2015 at 9:46 PM, Xudong You xudon...@gmail.com
I have two documents as follows:
1.
{
title:xbox
}
2.
{
title:xbox xbox xbox
}
Then I search the documents with following query:
{
query:{match:{title:xbox}}
}
ES returns result as follows:
{took:133,timed_out:false,_shards:{total:5,successful:5,failed:0},hits:{total:2,max_score:0.30685282,
I have document like this:
{Title:This is my test title}
This question was asked before, but my reply to the original post was never
accepted by the mailing list. So, sorry to re-ask same question again on a
new post.
I want to return the doc with exactly matched title, but allowing case
Per ES guide, we can configure similarity on a field in mapping setting
like this:
{
book : {
properties : {
title : { type : string, similarity : my_similarity }
}
}
Is this possible to configure the similarity on index or type level so that
don't have to configure the
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Le 27 févr. 2015 à 10:40, Xudong You xudon...@gmail.com javascript: a
écrit :
I have document like this:
{Title:This is my test title}
This question was asked before, but my reply
Say, I have a field with date type, I know I can get the total million
seconds of the date since the epoch by doc['date'].date.getMillis(), but is
there a function to get the total days directly?
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I have document like this:
{Title:This is my test title}
I want to return the doc with exactly matched title, but allowing case
insensitive and redundant white space between words. That is, all of these
queries: this is my test TITLE, this is my test title and this is
my test
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