by the way i am doing all this in Java
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not sure if it helps but the odbc driver doesnt play nice with date fields
and deals with them in binary format
class org.apache.ignite.binary.BinaryInvalidTypeException
your error looks to be related - have you tried the jdbc driver as a test?
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Ignition.start("C:igniteexamplesconfigpersistentstoreexample-persistent-store.xml");
"C:\Program Files\Java\jdk1.8.0_151\bin\java" "-javaagent:C:\Program
Files\JetBrains\IntelliJ IDEA Community Edition
2017.3\lib\idea_rt.jar=51729:C:\Program Files\JetBrains\IntelliJ IDEA
a Single node cluster starts fine. If i set it to active i get the following
error popup
(log file)
[2018-09-03 13:54:45,187][INFO ][main][IgniteKernal%POC5]
>>>__
>>> / _/ ___/ |/ / _/_ __/ __/
>>> _/ // (7 7// / / / / _/
>>>
I don't but looking to query what data regions exist on the cluster. Is there
a way to do this from the client?
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Hi
In java a the index groups are defined in a way that makes sense e.g.
@QuerySqlField(orderedGroups={@QuerySqlField.Group(
name = "age_salary_idx", order = 0, descending = true)})
in .net however it looks like this
[QuerySqlField(IsIndexed =true, IndexGroups = new[] {"someIndexGroup"})]
anyone?
i have tried applying it like this but it just creates 2 indexes
[QuerySqlField(IsIndexed = true, IndexGroups = new[] { "name=aa,order=1"
})]
My understanding is under the hood it is essentially btree index and these
index structures require an ordinal column configuration to build
i am building a management tool that creates and manages caches and for this
i wanted to be able to dynamically detect the data regions on the cluster
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the Isactive method only checks if the grid is active. is there a way to
check when the client has connected to resume processing?
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thanks, just another FYI , the values in that column cut off anything after
the decimal point while it is other so 3.456 becomes 3
for now we are storing as a string and casting to decimal when we query
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just an fyi - the data loader for the web agent is very slow. I was getting
10 rows per second throughput and nobody on here could really provide any
assistance so we opted to write our own version of the tool that uses the
data streamer which is loading 15k rows per second with persisted storage
hi
I have a single node cluster started with the following config
when i launch a client and do Iignite.GetCluster().Configuration
here is the screenshot of the config the client gets - the data storage
config is null
2018-09-25_18-22-15.png
Hi
Is there a way to make the loading run faster for a project that has been
generated by the web console. I am loading 4 million records and it is
taking 30+ minutes
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i have read that the preferred way is to have a cache per table. Is it
however possible to have multiple tables in a single cache to make the
administration of that cache simpler. what are the sort of problems that
would surface if this were to be done?
thanks
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I think I know what I need to do. I need to override the loadcache method and
implement my own based on the example on the site. I think if I use generics
I could parse in any class and it will handle the load. What's your thoughts
on that?
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i have setup rmdbs integration with read-through
if i query an empty cache it should read-through from the underlying system
but that isn't happening i get the following error
[16:43:35,351][SEVERE][client-connector-#56%StoxxDataLake%][JdbcRequestHandler]
Failed to get parameters metadata
hi
Initially this will be a single node demo but will be deployed as a 10 node
cluster. I am running 2.6 and it is loading data from SQL server. There are
2 issues i am finding at the moment
1) it takes an hour to load but only loads 2.5k out of 4.6 million records
(this seems serious)
2) it
i have the following class
[QuerySqlField]
public int vd { get; set; }
[QuerySqlField]
public long sharesinindex { get; set; }
[QuerySqlField]
public string name { get; set; }
[QuerySqlField]
public string isin { get; set; }
anybody have any clue as to how Ignite is not mapping .Net decimal to
Java.math.Bigdecimal?
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Hi SCott
access will be driven by data loads on the other end. I am looking at odbc
and rest access which will be used to load data into SQL server
here is a base of how it will look
class data
{
timespan loaddate
string item
string value
}
class alldata
{
list records
}
then when we
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Is the following design appropriate or does it need reworking
i want to build a key value store where the key is a company and the value
is a list of data that will grow over time. The value data can contain
thousands of items and these can change over time.
My question is having a value for a
I have had a rather late change to a project that makes a db engine i am
using not adequate. I wanted to see if Users can access data in a key value
cache with the odbc driver or if i have to write a tool that uses the api or
use rest
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Thanks for the quick response Ilya. This is exactly what i am looking for
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The problem is it will work in java using the api but all my code is in .Net
and unfortunately the .net api doesn't have any of the capability in it. I
guess we could have a separate java app that does this. I tried to fudge it
by compiling the same class with an additional function but it looks
That works - super happy with the result you are always so helpful thank you
Ilya
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I am looking to build a capability to add new functions in without restarting
the service.
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Thanks Ilya
So i need a little guidance here if you don't mind i am just throwing
together a quick test as a precursor to a new project.
I have a .net ignite service wrapper
var cfg = new IgniteConfiguration()
{
SpringConfigUrl = "/ignitecfg.xml",
I have just realized an issue with this process. I have built my own version
of the web console that generates caches for tables in databases. This is an
automated process in the UI so i do not know what additional caches will be
created beforehand. This leaves me with the dilemma of this custom
I don't know why i didn't think of that - superb thanks Ilya.
Are you certain the function needs to be in libs\home - It can't seem to
find the function and i would have expected to at least see something in the
log about loading it.
ENV setup
system variable IGNITE_HOME = c:\Ignite_2.7
test
Thank you both for your assistance here, it is greatly appreciated - Ignite
Rocks
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one question regarding this configuration. I noticed it is cache specific and
to me that implies every cache will need to have this configuration section
set. Is there perhaps a way to configure this globally once instead of
replicating it for every cache?
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i need to access the odbc driver and have had problems building on windows at
work. Thanks in advanced
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Thanks Igor
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Is there a reason the following error is returned by the odbc driver
OLE DB provider "MSDASQL" for linked server "IGNITE" returned message
"Specified attribute is not supported."
I am trying to query the odbc driver from SQL server with 2.7. I can see the
table, the query returns empty columns
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