Re: Iginte - Exception - Failed to unmarshal discovery data for component: 1 - on starting server from console and an application in eclipse IDE

2016-10-11 Thread M Singh
I will definitely let you know if I can reproduce it, but just for my own understanding, as you saw in the sample, I was just storing strings, so what could have caused the serialization exception?  Just want to avoid misusing the API. On Tuesday, October 11, 2016 8:14 AM, Sergej Sidorov

Re: Ignite - How to check if ignite instance has already started

2016-10-09 Thread M Singh
Thanks Roman for the pointer - will check that. On Monday, September 26, 2016 7:34 PM, Roman Shtykh <rsht...@yahoo.com> wrote: Hi, How about using Ignition.getOrStart(...)? -Roman On Tuesday, September 27, 2016 10:44 AM, M Singh <mans2si...@yahoo.com> wrote: Hi

Iginte - Exception - Failed to unmarshal discovery data for component: 1 - on starting server from console and an application in eclipse IDE

2016-10-08 Thread M Singh
Hi Folks: I am working with Ignite (version 1.6) and when I start multiple servers on different consoles on my laptop using ./ignite.sh - they start up correctly and I can see the server count increase as show below (for 3 servers): 11:04:36] Topology snapshot [ver=7, servers=3, clients=0,

Ignite - How to check if ignite instance has already started

2016-09-26 Thread M Singh
Hi Folks: I am using Ignition.start() and if Ignite has already been started, it shows an IgniteException indicating that the default grid has already been started: org.apache.ignite.IgniteCheckedException: Default Ignite instance has already been started. Is there a way to check if Ignite has

Ignite - Using - complex object with nested attributes and search

2016-07-26 Thread M Singh
Hi: Can we insert a complex object into ignite cache and search it ? Eg ( psuedocode ):public class Person {    int age,     String name,     List address,     Tuple2 parents, } If it is possible, how can we annotated them ?  Also, can these nested attributes be used in SQL joins ?

Ignite - SQL queries aggregation

2016-07-25 Thread M Singh
Hi: I wanted to find out if ignite sql/other queries support aggregation or udf functions (like count, etc). Thanks

Ignite - Service - Cache Key Affinity Singleton

2016-07-24 Thread M Singh
Hi: A newbie question - I am reading the documentation it indicates that  You can deploy one instance of this service on the primary node for a given affinity key.  IgniteServices svcs = ignite.services(); svcs.deployKeyAffinitySingleton("myKeySingleton", new MyService(), "myCache", new

Ignite - CEP

2016-07-24 Thread M Singh
Hi: I am trying to understand how CEP works in Ignite and from my understanding, we need to create a sliding window with time (or some other criteria) based eviction policy.  At the expiration of the policy the entry will be removed from the cache. I wanted to find out if there is a way to

Ignite - Cache Queries - Can the index fields change after entries are added the cache ?

2016-07-24 Thread M Singh
Hi: I have an object (say Person like in the example in the docs) and it has field address (String) which is exposed using the @QuerySqlField annotation. I've inserted some entries in the cache and now want to change the field to @QueryTextField for text base queries. 1. Will this updated

Ignite - Logging - Using Logback and setting logging level

2016-06-15 Thread M Singh
Hi Folks: I wanted to find if Ignite can use logback for logging and if so, what are the steps to do so. Thanks

Re: Ignite : Slow Client

2016-06-07 Thread M Singh
Yes Alexie, I should have mentioned that (my bad). On Tuesday, June 7, 2016 5:17 AM, Alexei Scherbakov <alexey.scherbak...@gmail.com> wrote: Hi, Do you mean Ignite's Event delivery described here [1] ? [1] https://apacheignite.readme.io/docs/events 2016-06-06 13:21 GMT+03:00 M

Ignite : Slow Client

2016-06-06 Thread M Singh
Hi: I have a few questions about slow clients: 1. If a slow client is disconnected, what happens to it's event queue ?2. If there are multiple client using same query - do they share the same queue and if so, does each client get all the events or are the events shared across all clients of

Re: Ignite : IgniteDataStreamer question about units/valid ranges for perNodeBufferSize, autoFlushFrequency

2016-06-06 Thread M Singh
Is there any valid range for these attributes ? On Monday, June 6, 2016 1:31 AM, M Singh <mans2si...@yahoo.com> wrote: Thanks Vladislav for the clarification. On Monday, June 6, 2016 12:45 AM, Vladislav Pyatkov <vldpyat...@gmail.com> wrote: Hello, 1) perNo

Re: Ignite : IgniteDataStreamer question about units/valid ranges for perNodeBufferSize, autoFlushFrequency

2016-06-06 Thread M Singh
Thanks Vladislav for the clarification. On Monday, June 6, 2016 12:45 AM, Vladislav Pyatkov <vldpyat...@gmail.com> wrote: Hello, 1) perNodeBufferSize - is the number of entries in the buffer.2)  autoFlushFrequency - in milliseconds On Sun, Jun 5, 2016 at 8:14 PM, M Singh &l

Ignite : IgniteDataStreamer question about units/valid ranges for perNodeBufferSize, autoFlushFrequency

2016-06-05 Thread M Singh
Hi: I was looking at the javadoc for some of the methods in this interface and am not sure of units as well as the ranges for these allowed values.  The impl class just checks for positive argument.   If anyone has any pointers, please let me know.  Thanks     /**     * Gets size of per node

Re: Ignite - rest api port

2016-06-04 Thread M Singh
ectory named ignite-rest-http from libs/optional/ to libs/ and restart node On Fri, Jun 3, 2016 at 9:08 PM, M Singh <mans2si...@yahoo.com> wrote: Hi Folks: I have downloaded the apache-ignite-fabric-1.6.0-bin.zip file an have started it with the ignite.sh script.   However, I am not abl

Ignite - rest api port

2016-06-03 Thread M Singh
Hi Folks: I have downloaded the apache-ignite-fabric-1.6.0-bin.zip file an have started it with the ignite.sh script.   However, I am not able to connect to the rest service url (http://localhost:8080/ignite?cmd=version) - it returns an empty response.  I think that rest service is running on

Re: Ignite - Question about update counter field for continuous queries

2016-06-03 Thread M Singh
owever, starting from Ignite 1.6 update counter is available through CacheQueryEvent API. 2016-06-03 5:23 GMT-07:00 M Singh <mans2si...@yahoo.com>: Hi Folks: I have a question about once only event delivery for continuous queries.   The document (https://apacheignite.readme.io/docs/contin

Ignite - Question about update counter field for continuous queries

2016-06-03 Thread M Singh
Hi Folks: I have a question about once only event delivery for continuous queries.   The document (https://apacheignite.readme.io/docs/continuous-queries) indicates that there is a per partition update counter which is sent to the client along with the change notification.  I checked the