Re: NPE exception in KMeansTrainer

2018-08-21 Thread DocDVZ
Also, is there any ways to workaround this issue in 2.6 to make it works? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: NPE exception in KMeansTrainer

2018-08-21 Thread DocDVZ
@zaleslaw I have a Map> where outer map is userId -> hitsMap and inner hitsMap is domain -> hits. So I need to do domain vectors for each of the user. Cache populated through Cache.put operation. private Map> hits; <...> storageName = "profile-clustering-" + LocalDateTime.now();

NPE exception in KMeansTrainer

2018-08-20 Thread DocDVZ
Hello, Since I'm new to data science, I'm not really sure if it's a bug or wrong incoming data, so I decided to ask here for advice before submitting a ticket. I tried to apply Kmeans algorithm on my bag-of-words data with ~8k features. So I copy-pasted some lines from example:

Re: Ignite 2.5 uncatched BufferUnderflowException while reading WAL on startup

2018-06-14 Thread DocDVZ
As i see, last checkpoint-end file, that invoked the problem, was created, but not filled with data: /opt/penguin/ignite/apache-ignite-fabric-2.5.0-bin/work/db/node00-203cc00d-0935-450d-acc9-d59cc3d2163d/cp$ ls -lah total 208K drwxr-xr-x 2 penguin penguin 4.0K Jun 9 12:52 . drwxr-xr-x 3 penguin

Re: Ignite 2.5 uncatched BufferUnderflowException while reading WAL on startup

2018-06-13 Thread DocDVZ
I apologize for the long response, Storage located on regular hdd, as you can see in configuration, there's no any specific storage location configured. Also, I think it necessary to note that test server contains all the environment: kafka, ignite, clickhouse, application. All of them are doing

Re: Ignite 2.5 uncatched BufferUnderflowException while reading WAL on startup

2018-06-09 Thread DocDVZ
Raw text blocks were discarded from message: Service parameters: ignite.sh -J-Xmx6g -J-Xms6g -J-XX:+AlwaysPreTouch -J-XX:+UseG1GC -J-XX:+ScavengeBeforeFullGC -J-XX:+DisableExplicitGC ${IGNITE_HOME}/config/test-ignite-config.xml Configurations:

Ignite 2.5 uncatched BufferUnderflowException while reading WAL on startup

2018-06-09 Thread DocDVZ
Hello. We have a test ignite 2.5 installation with 1 server and 1 client. Server starts from systemctl service with parameters: Ignite configuration: Client consistently loading data with IgniteDataStreamer. After those actions: 1. start server 2. start client 3. 3-4 times restart client