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Re: Error Codes

First of all, we need to decide what's > our target. Is it log, or is it API? > > Regards, > -- > Ilya Kasnacheev > > > пт, 1 янв. 2021 г. в 02:07, Michael Cherkasov >: > >> Hi folks, >> >> I was thinking how we can simplify Ignite clu

Error Codes

Hi folks, I was thinking how we can simplify Ignite clusters troubleshooting and the best of course if the cluster can do self-healing, like transaction cancellation if tx blocks exchange or note restart on OOM error. However, sometimes those mechanisms don't work well or user interaction is

Issue with 2.8.1

I'm having a problem with starting a client node of ignite in 2.8.1 (server also in 2.8.1), it works fine with server and client being 2.7. Shortly after it connects to my ignite server it dies on creating the bean for QuartzDataSourceInitializer on it's init method. Sorry I can't really post much

Re: ClusterGroupEmptyException: Topology projection is empty.

visor, WebConsole or ControlCenter use the same mechanisms for cluster monitoring, so if you use any of it see such kind of errors, you can ignore them, they are harmless for your cluster. чт, 10 сент. 2020 г. в 06:42, kay : > Hello, > > I don't use Visor for cluster monitoring.. then Why that

Re: Ignite Segmentation Behaviour

BTW, you can try zookeeper discovery, I think it's the easier way to resolve split-brain problem: https://www.gridgain.com/docs/latest/developers-guide/clustering/zookeeper-discovery пт, 11 сент. 2020 г. в 14:13, Michael Cherkasov : > Make sure first you stop all nodes in one segment and o

Re: Ignite Segmentation Behaviour

Make sure first you stop all nodes in one segment and only then start them, rolling restart might not fix cluster segmentation. пт, 11 сент. 2020 г. в 09:08, Denis Magda : > Hi Samuel, > > With the current behavior, the segments will not rejoin automatically. > Once the network is recovered

Re: Ignite 2.8.1 ContinuousQuery: ClassNotFoundException on a client node

Hello Ivan, Right now CQ deployed remote filter on all nodes, even on client nodes that don't store any data and this doesn't make sense, I think Ignite should not deploy it at all on non-affinity nodes. I filed a ticket for this: https://issues.apache.org/jira/browse/IGNITE-13432 Regarding the

Re: Ignite Node shutdown..

Hi, you don't have enough off heap space for your data, so I wondering, what kind of tests do you try to do? Might be you can enable persistence? пн, 7 сент. 2020 г. в 23:26, kay : > Hello, I test if i use max heap size.. > > I got this error and node was shut down.. > > rmtAddr's client socket

Re: Increase the indexing speed while loading the cache from an RDBMS

>I've checked the RDBMS perf metrics. I do not see any spike in the CPU or memory usage. >Is there anything in particular that could cause a bottleneck from the DB perspective ? The DB in use is a Postgres DB. if you use cache store, each node will read the full table you want to load, but only

Re: Ignite's memory consumption

512M of heap, plus 512M of offheap, plus some space for java metaspace, if you don't set, it is unlimited, set to: -XX:MaxMetaspaceSize=256m so, in total it will consume up to 1.25GB. But even with what you described, I don't see any problem 760MB is less than limits you set to heap+off-heap.

Re: Ignite client node raises "Sequence was removed from cache" after Ignite Server node restarts

Hi, as I remember AtomicInteger uses the default data region as storage, so if you don't have persistence for it, then it will be lost after restart. Try to enable persistence and check it again. ср, 26 авг. 2020 г. в 18:08, xmw45688 : > *USE CASE *- use IgniteAtomicLong for table sequence

Re: ignite partition mode

I'm not sure how you defined that only one node store data, but if so, it means only one node in baseline: https://www.gridgain.com/docs/latest/developers-guide/baseline-topology#baseline-topology add the second node to baseline and it will store data too. чт, 27 авг. 2020 г. в 15:08, Denis Magda

Re: Increase the indexing speed while loading the cache from an RDBMS

Hi Srikanta, Have you tried to load data without indexto compare time? I think Wal disabling for data load can save some hours for you: https://www.gridgain.com/docs/latest/developers-guide/persistence/native-persistence#disabling-wal Thanks, Mike. On Wed, Aug 26, 2020, 8:47 AM Srikanta

Re: How to confirm that disk compression is in effect?

Could you please share your benchmark code? I believe compression might depend on data you write, if it full random, it's difficult to compress the data. On Wed, Aug 26, 2020, 8:26 PM 38797715 <38797...@qq.com> wrote: > Hi, > > We turn on disk compression to see the trend of execution time and

Re: Select clause is quite more slow than same Select on MySQL

Hi Manuel, Ignite is a grid solution, it is supposed to be scaled horizontally, so MySQL can be more efficient in some cases, but it can not scaled well. So ignite will win when you can not fit data on one machine and need to scale. So, load more data, use more machines and at some point Apache

Re: NullPointerException while cluster startup

Hi Sumit, Did you have a chance to very the build by the link I sent to you? Might be you can share a reproducer so I can verify it my own? Thanks, Mike. пн, 9 мар. 2020 г. в 09:26, Mikhail : > Hello, > > Looks like it was fixed in GridGain Community edition: >

Re: How much data is actually in RAM?

Hi John, if you have native persistence enabled that ignite will evict data to a disk if there's no space in RAM. BUT you have to specify maxSize for RAM! so Ignite really doesn't have a limit for space, it's just limited by your disk and you will get IgniteOOM at some point. So your current

Re: Toxiproxy

Hi Delian, I used it to test timeout for client nodes, I attached the example, I think it can be adapted for your purposes. >I've now set up Toxiproxy with a proxy (per node) for discovery, >communication, shared mem and timeserver as the config file for each node >allows me to explicitly set

Re: Can't use loadCache with IgniteBiPredicate

I seem to have found the answer. Changing the storeKeepBinary field didn't seem to help, but I was able to change things by going to a generic IgniteBiPredicate and casting inside the apply method. public void initFoo(int key){ IgniteCache myCache = getCache(Foo.class); if (myCache !=

Re: Can't use loadCache with IgniteBiPredicate

This is the stacktrace for the exception: Caused by: java.lang.ClassCastException: org.apache.ignite.internal.binary.BinaryObjectImpl cannot be cast to com.sms.Foo at com.sms.flexnet.maintenance.data.IgniteFooDAO$3.apply(IgniteFooDAO.java:164) at

Can't use loadCache with IgniteBiPredicate

I'm trying to selectively initialize pieces of my IgniteCache that is backed by a postgres database. When I use loadCache() with no arguments, the entire cache loads fine. However, the table I'm loading is very large, and I want to use an IgniteBiPredicate to only load the pieces I care about.

Re: Binary Serialization of Enums By Name

Hi Stuart, I think you can use Binarylizable interface, you can implement your one serialization for your enum. Thanks, Mike. пн, 4 февр. 2019 г. в 15:12, Stuart Macdonald : > Igniters, > > I have some cache objects which contain enum fields, which when persisted > through Ignite binary

Re: Spring Cloud + Jdbc client driver

Hi, Could you please describe your question in more details? I think it's not clear what you are trying to ask. Thanks, Mike. пн, 4 февр. 2019 г. в 16:44, nikfuri : > Hi! Is there any availability to pass properties gained through config > server > to jdbc config file? > > > > -- > Sent from:

Re: BufferUnderflowException on GridRedisProtocolParser

Hi Stan, Thanks for the suggestion. I have tried to patch it, which would work 95% of the case, but would run into another random issue. I have mailed dev list for suggestions. Regards, Michael On Thu, Oct 11, 2018 at 7:10 PM Stanislav Lukyanov wrote: > Well, you need to w

Re: Writing binary [] to ignite via memcache binary protocol

then it is byte array, else it > is string. > > You should find a way to make your implementation send '-128' as fourth > byte (If I understand endianness correctly). You could look it up in > tcpdump. > > Regards, > > -- > Ilya Kasnacheev > > > чт, 18 окт. 201

Re: Writing binary [] to ignite via memcache binary protocol

, Oct 17, 2018 at 8:29 PM Павлухин Иван wrote: > Hi Michael, > > The troubles could be related to Python library. It seems in Python 2.7 > there is no such thing as "byte array". And value passed to the client is > string in this case. > I checked that Ignite recognizes

Re: Writing binary [] to ignite via memcache binary protocol

bump :) Could anyone please help to answer a newbie question? Thanks in advance! On Mon, Oct 15, 2018 at 4:22 PM Michael Fong wrote: > Hi, > > I kind of able to reproduce it with a small python script > > import pylibmc > > client = pylibmc.Client (["127.0.0.1:11211&q

Re: Writing binary [] to ignite via memcache binary protocol

efbfbdefbfbd* where, 'ef bf bd' are the replacement character for UTF-8 String. Therefore, the value field seems to be treated as String in Ignite. Regards, Michael On Thu, Oct 4, 2018 at 9:38 PM Maxim.Pudov wrote: > Hi, it looks strange to me. Do you have a reproducer? > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >

Re: Heap size

Hi Prasad, G1 is a good choice for big heaps, if you have big GC pauses you need to investigate this, might be GC tuning is required, might be you just need to increase heap size, it depends on your case and very specific. Also, please make sure that you use 31GB heap, or > 40 GB heap, numbers

Re: BufferUnderflowException on GridRedisProtocolParser

Hi, The symptom seems very likely to IGNITE-7153, where the default tcp send buffer on that environment happens to be 4096 [root]# cat /proc/sys/net/ipv4/tcp_wmem 4096 Regards, On Thu, Oct 11, 2018 at 10:56 AM Michael Fong wrote: > Hi, > > Thank you for your response. Not to every re

Re: Writing binary [] to ignite via memcache binary protocol

Hi, We have a libmemcached (C) client to write pure binary[] to Ignite and another Java client to read from it. We suspect Ignite stores it as String(UTF-8), perhaps related IGNITE-7028 - even from the packet dump, the data type is raw bytes (0) As the workaround, we modified the code a bit to

Re: Does Ignite support GPB serialized data

ary-objects > > Regards, > -- > Ilya Kasnacheev > > > ср, 3 окт. 2018 г. в 18:24, Michael Fong : > >> Hi, all >> >> We have protocol buffer serialized binary data that would like to stored >> into ignite, and wonder if Ignite supports gpb serialization ou

Re: BufferUnderflowException on GridRedisProtocolParser

Hello! > > Do you see this error on every request, or on some specific ones? > > Regards, > -- > Ilya Kasnacheev > > > вт, 9 окт. 2018 г. в 15:54, Michael Fong : > >> Hi, all >> >> We are evaluating Ignite compatibility with Redis protocol, and we hit an

BufferUnderflowException on GridRedisProtocolParser

Hi, all We are evaluating Ignite compatibility with Redis protocol, and we hit an issue as the following: Does the stacktrace look a bit like IGNITE-7153? java.nio.BufferUnderflowException at java.nio.HeapByteBuffer.get(HeapByteBuffer.java:151) at

Does Ignite support GPB serialized data

Hi, all We have protocol buffer serialized binary data that would like to stored into ignite, and wonder if Ignite supports gpb serialization out of the box? If not, which serialization interface do we need to implement to customize and override in the xml? Thanks in advance

Writing binary [] to ignite via memcache binary protocol

Hi, all, New user to Ignite here. We are evaluating the possibility to replace memcached w/ Apache Ignite (v2.6). We notice recently that when we set a byte[] using net.spy.memcached client, and it seems sometimes the type of cache Object in Ignite is somehow set as String. Thus, when we get

Re: Batch insert into ignite

-25 7:02 GMT+03:00 Sriveena Mattaparthi < sriveena.mattapar...@ekaplus.com>: > Thanks for the clarification Michael..will try the streamer option. > > > > Regards, > > Sriveena > > > > *From:* Michael Cherkasov [mailto:michael.cherka...@gmail.com] &

Re: Batch insert into ignite

I can't say for sure which one should be better for sure, it must be benchmarked. But if you can use SqlFieldsQuery this means that you can use native Ignite API, right? So, in this case, IgniteDataStreamer would be the best choice. 2018-07-24

Example of SQL query

Can you someone give an example of a cache in memory being queried via rest. Here is a simple person class (cut down from example code): Person.java and a populate it: PersonTest.java

Re: Inconsistency reading cache from code and via REST?

"sessionToken":null} but my guess on the cache: http://127.0.0.1:8080/ignite?cmd=qryexe=MyCache=1=String=key123=_key%20%3D%20%3F fails: {"successStatus":1,"error":"class org.apache.ignite.IgniteException: null","response":null,"sessionToken":null} and I dont understand how to query the table thanks Michael -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

What does "Non heap" mean in the log?

Hi, I am confused about "Non heap" here, what does it represent and where it will be used? What the difference between "Non heap" and off-heap? Moreover, how to change its size?

Re: Inconsistency reading cache from code and via REST?

ok that's great; wasn't too clear from the docs that I needed the addQueryField -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Inconsistency reading cache from code and via REST?

Following on from his example of a simple cache with key value pairs (now strings! IgniteCache), how would I create a sql query on the data: http://127.0.0.1:8080/ignite?cmd=qryexe=GridCacheTest=1=String=_key+%3D+1 gives: {"successStatus":1,"error":"class

Re: Inconsistency reading cache from code and via REST?

Hi Andrei I simpler workaround for me for now is just to have keys a strings so REST A few toString() tweaks to the sample code to put/get as strings instead of integers shows this now works as expected both checking the cache in code and from a browser. thanks Michael -- Sent from: http

Re: Inconsistency reading cache from code and via REST?

the browser gets added. When I do add an item using REST, cache.size reports 21 but cache.get(100) gives null. thank you Michael GridCacheTest.java <http://apache-ignite-users.70518.x6.nabble.com/file/t1696/GridCacheTest.java> example-default.xml <http://apache-ignite-users.70518.x6.n

Inconsistency reading cache from code and via REST?

My Setup in windows - all running locally pointing at same ignite xml config - 2 * ignite servers running ignite.bat - Provided java sample code GridCacheTest (running in IntelliJ) to put 20 key value pairs in a cache The sample code runs correctly and outputs the key/value pairs it reads

Re: Problem of datastorage after compute finished

Really appreciate for your reply, Andrei. Now I understand why the result didn't store on the same node where it was calculated. I will try your suggestions. But there still remain a problem that job b,d,f were calculated on Node_B, the results were lost. No partitions store these jobs' results.

Problem of datastorage after compute finished

Hi, all! I am trying to use the computegird of ignite to do some compute job, but I met a problem. I started two server nodes(different host) to form a clustergroup. Node_A was started by eclipse, Node_B was started by ignite.cmd, two nodes had the same configurations except heap size(Node_A

Re: Getting "BinaryObjectException: Failed to deserialize object" while trying to execute the application using multi node

Hi, val. I just met with the same problem. Would you mind giving more detailed solutions? thanks -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

RE: Slow Group-By

Not sure how to check the GC log, but here's a minimal complete example using two java classes: Try these two queries. SELECT COUNT(DISTINCT((idnumber,value))) FROM athing SELECT COUNT (*) FROM (SELECT COUNT(*) FROM athing GROUP BY idnumber,value) Both queries do the same thing, you'll find

RE: Slow Group-By

Unfortunately, at this stage in dev, I'm only doing runs on one machine, and though I am using partitioned data to do query parallelism, it seems I lose that in the GROUP BY. Does GROUP_BY distribute at all? Might a spark layer on top give a better distribution path? Mike

RE: Slow Group-By

Oh, also, during the difference in time, only 1-2 cores seem to be involved. Mike From: Williams, Michael Sent: Monday, February 26, 2018 9:40 AM To: user@ignite.apache.org Subject: Slow Group-By All, Any advice on speeding up group-by? I'm getting great performance before the group-by clause

Slow Group-By

All, Any advice on speeding up group-by? I'm getting great performance before the group-by clause (on a fairly decent size data set) , but adding it slows things down horribly. Without the group-by clause, the query takes about a minute, and all cores are fully in use. With the group-by cores,

Re: How to make full use of network bandwidth?

Sorry, I almost forgot it. I have tried the suggestions above, but it didn't work well. Finally, I changed the parameter of writeSynchronizationMode to "FULL_AYSNC", it worked. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

RE: Affinity Key Annotation

Ah, thanks! From: Alexey Kukushkin [mailto:kukushkinale...@gmail.com] Sent: Friday, February 16, 2018 5:40 AM To: user@ignite.apache.org Subject: Re: Affinity Key Annotation Michael, data colocation work like this: * Ignite caches have partitions assignments so that primary partitions

RE: Affinity Key Annotation

Imagine, for example, I have four keys: Public class ThingOneKey { @QuerySqlField @AffinityKeyMapped int recordNo; ... } Public class ThingTwoKey { @QuerySqlField @AffinityKeyMapped int recordNo; @QuerySqlField Date

Affinity Key Annotation

Assume I have 4 integers tagged with @AffinityKeyMapped in different data structures. How does Ignite determine which correspond to affinity pairs? EG, if I wanted two pairs that have a mutual affinity, how would ignite know which to pair, or would all be paired together? Thanks, Mike

QuerySqlFunction

What changes do I need to do to make ZeroDeploy work with QuerySqlFunction definitions? I'm following the example and adding the class as follows, but even with peer class loading enabled, I get a gnarly error. Can clients marshal to servers? Any advice? import

RE: Dates before epoch - java.sql.Date

Yep, all set. Sorry. Getting better at this, honestly. -Original Message- From: vkulichenko [mailto:valentin.kuliche...@gmail.com] Sent: Tuesday, February 13, 2018 6:07 PM To: user@ignite.apache.org Subject: Re: Dates before epoch - java.sql.Date Mike, Looks like you already have a

MultiMap

Hi I just filled out the survey from the website and it reminded me of one short coming of Apache ignite still that we some times hit that means we occasionally have to use Hazelcast still. And that is lack of a multimap. We saw last year this JIRA but it seems to have died.

Dates before epoch - java.sql.Date

If I need to store dates before the Unix epoch, should I use timestamp, as java.sql.Date doesn't store anything before 1970? Do date functions support timestamp as well as date? See: https://docs.oracle.com/javase/7/docs/api/java/sql/Date.html See also:

RE: Dates before epoch - java.sql.Date

Nevermind, I made an error, works fine. Mike From: Williams, Michael Sent: Tuesday, February 13, 2018 3:24 PM To: user@ignite.apache.org Subject: Dates before epoch - java.sql.Date If I need to store dates before the Unix epoch, should I use timestamp, as java.sql.Date doesn't store anything

RE: Cat Example

Rpltax56uFYU6n57c3GFvMdyEV-dz2ez2lZZpYl0=66Y7rAlRA_17xECa5FjIVnychzFgOU57cX95e0xK8Uw=QhZ2-mbmH1uyk6d0ECo3A_ghgTh1iNv1YQUGMYYx_NY=> On Fri, Feb 9, 2018 at 2:56 PM, Williams, Michael <michael.willi...@transamerica.com<mailto:michael.willi...@transamerica.com>> wrote: Is it possible

RE: Cat Example

FaQ=9g4MJkl2VjLjS6R4ei18BA=ipRRuqPnuP3BWnXGSOR_sLoARpltax56uFYU6n57c3GFvMdyEV-dz2ez2lZZpYl0=Nrv7gL0zYS9bFUir2zKHmI30_jJzYTzlic8Vk0kWonQ=UZWx1Uz419uytrzu-xRfSiuRqc3rszCQr5rJqNjT8TI=> The cache name is used for IgniteCache APIs and other related methods. — Denis On Feb 8, 2018, at 3:48 PM, Wil

Cat Example

Hi, Quick question, submitted a ticket earlier. How would I modify the below code such that, when viewed through Sql (dbeaver, eg) it behaves as if it had been created through a CREATE TABLE statement, where the name of the table was catCache? I'm trying to directly populate a series of tables

Re: @SpringApplicationContextResource / ApplicationContext / getBeansOfType()

Hi Navnet, Could you please share a reproducer for this issue? Some small mvn based project on github or as zip archive that will show the issue. Thanks, Mike. 2018-02-08 15:00 GMT-08:00 NK : > Hi, > > I have a Spring Boot app using Ignite 2.3.0. > > I am invoking

Re: slow query performance against berkley db

Rajesh, >Does that mean Ignite cannot scale well against Berkley dB Incase of single node? Could you please clarify, what your question means? Ignite can scale from a single node to hundreds(or even thousands, I have seen the only cluster of 300 nodes, but this definitely not a limit). It was

Re: Peer to peer class loading + deployment modes

Hi Luqman, you're right, peer class loading is exactly what you need, isolated or shared mode fit your case and will automatically deploy a new compute classes, but unfortunately, there's no way to enable peer class loading without cluster restart. So you need to plan a maintenance for your

Re: Failed to activate cluster - table already exists

Hi Thomas, Please share with us next time a reproducer with work folder. It's something that should be checked. Did you change your QueryEntities between cluster restart? Thanks, Mike. 2018-01-26 5:25 GMT-08:00 Thomas Isaksen : > Hi Mikhail, > > I don't know what

Re: Cannot insert data into table using JDBC

Thanks a lot. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: How to make full use of network bandwidth?

Thank you, Alexey. I'll try you advice and let you know the result later. Thanks again. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

How to make full use of network bandwidth?

Hi, I have two physical hosts, each host has a sever node, node A and node B. I created a table and inserted data into table via JDBCthin driver. But the performance of inserting is poor. When the bandwidth of network is 100Mbps, the throughput from node A to node B is only about 2Mbps, 1 million

Re: Memory leak in GridCachePartitionExchangeManager?

Hi, I created a ticket for the issue you found: https://issues.apache.org/jira/browse/IGNITE-7319 Thanks, Mike. 2017-12-18 17:05 GMT+03:00 zbyszek : > > Dear all, > > I was wondering if this is a know issue which has a chance to be fixed in > future or (I hope) it is me who

Re: Cannot insert data into table using JDBC

Hi,has it been solved or is it a bug? I just met with the same problem.When I set "streaming=false" ,it worked, data can be inserted via JdbcClientDriver. However, when streaming=true, I got message that said "schema not found" . Thanks. -- Sent from:

insert so slow via JDBC thin driver

Hello, I am a new Ignite leaner. I want to insert 50,000,000 rows into a table. Here,i got a problem. When one host and one sever node, the speed of insert is about 2,000,000 per minute, the usage of cpu is 30-40%; however two hosts and two sever nodes, about 100,000 per minute,and the usage of

Re: using JDBC with Ignite cluster, configured with persistent storage

Hi, I can not understand from your email what was wrong, could you please provide more details about your case? Maybe you can send me a demo app that will show the exception you have? Thanks, Mike. 2017-12-05 1:45 GMT+03:00 soroka21 : > Hi, > I'm trying to use JDBC

Re: Ignite poor performance

Hi Sasha, Did you have time to try my advice? Did it help you? Thanks, Mike. 2017-12-04 17:00 GMT+03:00 Sasha Haykin : > Hi, > > I Working on big POC for telecom industry solution > > > I have loaded to ignite 5,000,000 objects/rows (I loaded it in the client > side Please

Re: Ignite .NET - Delete statement

Hi Jérôme, Could you please send me a full reproducer? And could you please clarify which version of Ignite is used? Thanks, Mike. 2017-12-04 12:38 GMT+03:00 jerpic : > Hello, I try to delete some records according to the DELETE statement (see > below).

Re: Ignite poor performance

and choose the best for your case. Thanks, Mike. 2017-12-04 18:02 GMT+03:00 Michael Cherkasov <michael.cherka...@gmail.com>: > Hi Sasha, > > it's definitely can work faster: > 1. add index for DEST_NE_NAME: > https://apacheignite.readme.io/docs/cache-queries#section-

Re: Ignite poor performance

Hi Sasha, it's definitely can work faster: 1. add index for DEST_NE_NAME: https://apacheignite.readme.io/docs/cache-queries#section-query-configuration-by-annotations 2. enable query parallelism: https://apacheignite-sql.readme.io/docs/performance-and-debugging#query-parallelism Thanks, Mike.

Re: Trouble with v 2.3.0 on AIX

Hi Vladimir, Unfortunately I don't have AIX or any other big-endian machine at hand, so could you please assist me with fixing this bug. Could you please run the following unit test on your AIX box: org.apache.ignite.internal.direct.stream.v2.DirectByteBufferStreamImplV2ByteOrderSelfTest Could

Re: Initial query resent the data when client got reconnect

There's a ticket for this feature: https://issues.apache.org/jira/browse/IGNITE-5625 please vote for it and at some point, it will be implemented. 2017-11-21 13:52 GMT+03:00 gunman524 : > Mike, double checked Mongodb way, their ObjectID only provide a unique ID, > sorry for

Re: IgniteInterruptedException: Node is stopping

Hi Hyma, Could you please show a code snippet where it is hanged? Thanks, Mike. 2017-11-22 12:48 GMT+03:00 Hyma : > Thanks Mikhail. > > I suspected to increase the spark heartbeat/network timeout. But my > question > here is if an executor is lost, corresponding

Re: Logging query on server node sent from client node

Hi, I don't think that you run ignite with proper configuration, because the snippet that you sent won't work. EventType.EVTS_CACHE_QUERY is array and you should have the folllowin exception on logs: Caused by: org.springframework.beans.TypeMismatchException: Failed to convert property value of

Re: Ignite-cassandra module issue

Hi Dmitriy, I created a ticket for this: https://issues.apache.org/jira/browse/IGNITE-6853 it will be fixed in 2.4. Thanks, Mike. 2017-11-09 2:35 GMT+03:00 Dmitriy Setrakyan <dsetrak...@apache.org>: > Hi Michael, do you have any update for the issue? > > On Thu, Nov 2, 2017 at 5

Re: Ignite-cassandra module issue

Hi Tobias, Thank you for explaining how to reproduce it, I'll try your instruction. I spend several days trying to reproduce the issue, but I thought that the reason of this is too high load and I didn't stop client during testing. I'll check your instruction and try to fix the issue. Thanks,

Re: Cassandra failing to ReadThrough using Cache.get(key) without preloading

Hi Kenan, I set up exactly the same config as you have, and I wasn't able to read data back form cassandra too. Then I found an error in configuration in persitence-settings.xml you have 'table="testresponse"' while you put data to 'table="test_response"', so I added underscore and now it works

Re: Unable to access cache data in Dbeaver

Do you want to say that you didn't change anything in configuration? Can you see you data in )H2 console? ( https://apacheignite.readme.io/docs/sql-performance-and-debugging#using-h2-debug-console ) Thanks, Mike. 2017-09-27 12:10 GMT+03:00 devkumar : > @Mikhail, I updated the

Re: Unable to access cache data in Dbeaver

Hi, I've recently was able to run DBeaver for ignite and have no problem to query data with it. Could you please show how you configured indexing in ignite(QueryEntity? )? And how did you query data in DBeaver? Did DBeaver show any error message? Thanks, Mike. 2017-09-27 11:55 GMT+03:00

Re: Design question on the Ignite Web Session Clustering.

Hi, I answered in SO, I copy it here: """ if you have a local cache for sessions and sticky sessions why do you need to use ignite at all? However, It's better to go with ignite, your app will have HA, if some node is failed, the whole app still will work fine. I agree you should split app

Re: 2.1.4 visor console - activate/deactivate command?

Hi, there's no such version like 2.1.4, the latest one is 2.1. Thanks, Mike. 2017-09-07 19:00 GMT+03:00 mzingman : > I've downloaded latest ignite-fabric (2.1.4), and running ignitevisorcmd, > but > having trouble finding activate/deactivate grid command (promised in

Re: IGFS With HDFS Configuration

Hi Pradeep, https://issues.apache.org/jira/browse/ZEPPELIN-2674 is resolved, Zeppelin 0.8 will be issued with ignite 2.0 support. Thanks, Mikhail. 2017-08-04 19:09 GMT+03:00 Mikhail Cherkasov : > Hi Pradeep, > > I can't run it with 1.9 too, however, the same config

RE: IgniteAtomicSequence durability

Dmitry, Can Ignite 2.1 persist an Ignite atomicSequence on disk? Regards Mike -Original Message- From: dkarachentsev [mailto:dkarachent...@gridgain.com] Sent: 16 August 2017 15:15 To: user@ignite.apache.org Subject: Re: IgniteAtomicSequence durability Hi Mike, All atomics may be

IgniteAtomicSequence durability

Igniters, I have had an interesting question: > Since I will be inserting records into the cache I am implementing an instance of the IgniteAtomicSequence to provide the > unique id for each entry in the cache. In order for the sequence to survive termination and re-initialization of the

Re: how to append data to IGFS so that data gets saved to Hive partitioned table?

Ok, I'll try to reproduce this issue locally, will response tomorrow. 2017-08-05 13:50 GMT+03:00 csumi : > Yes if I create partition using hive, select works fine. Please see last > two > bullets of my previous comment. Copying here for your quick reference: > > - Now

Re: how to append data to IGFS so that data gets saved to Hive partitioned table?

Hi, Could you please clarify, if you run all actions using IGFS, but instaed of fs.appedn use Hive, like: insert into table stocks PARTITION (years=2004,months=12,days=3) values('AAPL',1501236980,120.34); Does select work this time? Thanks, Mikhail. 2017-08-04 12:56 GMT+03:00 csumi

Re: Best practise for setting Ignite.Active to true when using persistence layer in Ignite 2.1

Hi again, Checkout the email on dev list: "Cluster auto activation design proposal" https://issues.apache.org/jira/browse/IGNITE-5851 As you can see this feature is targeted to 2.2. Thanks, Mikhail. 2017-08-03 6:58 GMT+03:00 Raymond Wilson <raymond_wil...@trimble.com

Re: Best practise for setting Ignite.Active to true when using persistence layer in Ignite 2.1

turn on and you have some data on the disk. Thanks, Mikhail. 2017-08-03 6:58 GMT+03:00 Raymond Wilson <raymond_wil...@trimble.com>: > Michael, > > > > Is there a reference implementation in Ignite 2.1 for an agent that > listens to topology changes to decide wh

Re: Best practise for setting Ignite.Active to true when using persistence layer in Ignite 2.1

ace and then activate it. 2017-08-02 16:22 GMT+03:00 Rohan Shetty <rohan.she...@gmail.com>: > Does this mean we have to listen to events of server nodes going up and > down and activate and deactivate the cluster? > > On Wed, Aug 2, 2017 at 3:18 PM, Michael Cherkasov < > michael

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