Hi, Abhishek Jain.
Actually schema utility loads jdbc driver jar via class loader.
And in this case I think license file is not loaded.
I will take a look (on Monday) at couchbase if it has trial version.
Meanwhile could you try to put license file inside jdbc driver jar (it is a
zip archive actu
Local store writes on both primary and backups. So you should be able to
recover the data even if the topology was changing. Can you clarify what the
issue is? How partition assignment will help you?
Basically, you can implement AffinityFunction interface and implement your
own assignment logic th
Can you attach full logs from all Ignite nodes? Please don't copy-paste them
in the message, use attach function or upload somewhere.
-Val
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Hi,
What is your exact use case? Would transactions [1] fit it? In most cases
this is a better and easier way to manipulate the data in a concurrent and
distributed fashion. In my experience, explicit locks are needed for only
specific use cases.
Answering you questions:
1. No, it doesn't.
2. Thi
Thanks Val for replying soon. I will check with couchbase.
As per their documentation, the license file should be in the same folder
where the driver jar file is saved and I did so but of no help.
Regards
Abhishek
On Fri, Sep 2, 2016 at 6:53 PM, vkulichenko
wrote:
> Hi,
>
> It looks like the
Hi,
I don't think someone has a full demo (and it's actually not very clear what
is meant by that). If you already have some results, but something is not
working, feel free to share you project so that anyone can easily run it and
take a look. In this case I'm sure you will get help.
-Val
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The page [1] lists features that are supported and that are not supported.
DSN, to my knowledge, is not supported in 1.7, but looks like it is ready
and merged to master [2].
[1] https://apacheignite.readme.io/docs/conformance
[2] https://issues.apache.org/jira/browse/IGNITE-3390
-Val
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Hi all,
We are trying to access ignite cache from any sql client, Razorsql in
particular. Our understanding is that any odbc compliant tool should be
able to connect and issue sql queries against the cache. Is that a correct
assumption? We have gone through the odbc section in Ignite docs and
You can use the test [1] as a reference.
[1]
https://github.com/apache/ignite/blob/2cfe0cb5a0d84caede8b528b0a515ab4ba92bbc6/modules/ssh/src/test/java/org/apache/ignite/internal/IgniteProjectionStartStopRestartSelfTest.java
-Val
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Method signatures in your implementations are incorrect. Please pay attention
to generics. The write method, for example, should look like this:
@Override public void write(Cache.Entry
entry) throws CacheWriterException
-Val
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Hi Zhou,
1. Off-heap memory is managed manually by Ignite and it's released whenever
it's not needed anymore (e.g., you remove entry from cache). System.gc() has
access only to heap memory.
2. I'm not sure I understand this question. Can you clarify?
3. I'm not aware of such bugs. Are you experi
Hi,
So what did you try? Basically, you should just provide the correct
DataSource that will point to your database.
-Val
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Sometimes it's a good idea to clean local Maven repo. This can magically
solve a lot of issues :)
-Val
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Hi Nicolae,
You should listen for EVT_NODE_SEGMENTED through IgniteEvents API, like with
any other events. There is no such configuration on the discovery SPI.
-Val
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Cache per document doesn't make much sense. I was talking about cache per
data type.
Ideally, you should split Document and Page objects (instead of creating a
nested map within the document), store each page as a separate document and
use collocation [1] to make sure that all pages are stored nex
Hi,
It looks like the misuse of Couchbase - the driver can't connect to the
server due to a licensing issue. You should refer to Couchbase docs and
figure out where the license file should be located. I'm unfortunately not
an expert, so can't help more.
-Val
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Hi,
I don't see any reason why '_key = %January%' would not work. Did you try
this?
But actually, as I mentioned before, such query can't use any indexes and
the cache will scanned, so SQL doesn't help much. If SCAN query solution
works for you, the I think you're good here.
-Val
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Hi,
If somebody worked with Automatic Persistence for POJOs and XMLs creation
for couchbase, please let me know the procedure for the same. (Although I
have been successfully able to create the POJOs and XMLs for H2 database as
mentioned in the Automatic Persistence section)
I am getting the foll
I want to use same method for multiple caches, so object stored is unknown.
Key type is known and it is String.
Following is the way I was able to make it working with regular expression
as matchCriteria (.*January.*), Can you please let me know how to use '_key
= %January%' way? and which way wo
One performance question we had would be serialization. If we do a cache per
document strategy we were thinking the serialization cost would be less
rather than having to go thru serialization of the entire nested HashMap.
Again we are going to use Off Heap in replicated mode.
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I am exploring Locks and need some help understanding it.
1. To take a distributed lock on a key, does key need to exists in cache?
2. Once distributed lock is taken on existing cache key, does any operation
on that cache key entry restricted from other thread? other thread is not
explicitly taki
Thanks for the response. At our peak we could have around 1000 documents
cached. We can go with a cache per document design or a design with one
named cache and add the document to the cache along with a nested hash map
representing the pages.
IgniteCache>
Are there any performance considerations
Hi, vikram.
I will send you a full project that works for me on Monday (05/09/2016).
On Thu, Sep 1, 2016 at 2:10 PM, vikramT wrote:
> hi Alexey,
>
> Thanks for logging the issue.
>
> But still I am facing the same issue:
>
> public class CacheConfig {
> /**
> * Create JDBC type for inv
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/u01/spark-1.6.0-hive/bin/spark-submit --driver-memory 4G --class
com.ETLTransform --master yarn --executor-cores 4 --executor-memory 1000m
--num-executors 20 --conf spark.rdd.compress=false --conf
spark.shuffle.compress=false --conf spark.broadcast.compress=false
/u01/spark_engine863.jar -quesize
?Hi,
So I think we found it:
1. For EVT_NODE_SEGMENTED, I think it is a "discovery event" and we register a
listener on the tcp discovery component of the ignite configuration.
2. For other events, Ignite offer possibility to listen to local or remote
events, at Ignite (global) level or at c
The problem was magically solved after removing "ignite-apache-license-gen"
artifact from my local .m2 repo. I guess the problem was created when I run
mave package without unit tests skip flag as the very first thing. I can see
scope hack "hack to have ignite-apache-license-gen at first place at m
Hi Kamal,
It seems that the only events available on the lifecycle (the classes you
mentioned e.g. LifecycleBean and LifecycleEventType) are those of "node
started" and "node stopped".
There must other classes of events and event handlers for the case of
segmentation and other events. Ignite
Hi,
We have a cluster with 5 server nodes. We run Ignite nodes dockerized. We do
"docker stop" on one node to trigger a fail-over. At all this time we send
operations to the cluster during a stress test.
As soon as we stop one of the 5 nodes, all the other nodes stop processing
requests done w
Hello,
Any workaround for this
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Hi,
I'm learning now apache ignite. During test I met the following isssues.
In the CacheAutoStoreExample, I'd like to modify to load form not H2 but
Maria-DB.
/**
* Example store factory.
*/
private static final class CacheJdbcPojoStoreExampleFactory extends
CacheJdbcPojoStoreFa
Hi Igor,
my cluster has 34 server nodes and 1 client node. Biometric data
(fingerprint templates) is spread across a distributed cache (about 50
million fingerprint templates). The client node creates an identification
task, which has to compare an input fingerprint against all stored
templates. T
Hi all,
I have several questions about ignite 1.6.0's cache.
1. When does ignite free the non-heap memory? I found a system.gc in source
code, is it?
2. How can I check the data in non-heap memory with just ignite itself?
3. Are there any bugs about ignite cannot release non-heap memory cor
Hi folks,
I want to integrated couchbase as persistent store with apache-ignite as per
instructions given in
http://apacheignite.gridgain.org/v1.6/docs/persistent-store. But I'm getting
error while compiling my TestTableStore.java which extends
CacheStoreAdapter.
*Following is the output from com
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