Few questions

Hi, I have setup igfs as a caching layer on top of a HA configured hadoop cluster.. few questions ~ 1) if I put data on hdfs directly, and then read it via ignite, the data would get cached in ignite and any subsequent fetches wud fetch it from igfs and not go to hdfs at all... Correct? 2

Re: AtomicSequence usage questions

instead, however note that it's much slower as implies a distributed cache update on each increment. -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/AtomicSequence-usage-questions-tp11098p11104.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Questions on Ignite Clients

le.com/Questions-on-Ignite-Clients-tp10304p10772.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Questions on Ignite Clients

://apache-ignite-users.70518.x6.nabble.com/Questions-on-Ignite-Clients-tp10304p10614.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: IGFS Questions

xt: http://apache-ignite-users.70518.x6.nabble.com/IGFS-Questions-tp10217p10297.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: IGFS Questions

Thanks for the replies. I have a few follow up questions. > Yes, as long as you have Hadoop-compliant implementation of S3 file system > (e.g. org.apache.hadoop.fs.s3.S3FileSystem). I will spend sometime in understanding what this means but by "Hadoop compliant implementation"

Re: Newbie: Questions on Ignite over cassandra

relational database. However, for good performance you should consider collocation and indexing. See the documentation for details: https://apacheignite.readme.io/docs/sql-grid -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Newbie-Questions-on-Ignite-over

Re: Newbie: Questions on Ignite over cassandra

eys in advance, thus only data which is already in memory is used to execute them. -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Newbie-Questions-on-Ignite-over-cassandra-tp10264p10268.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: IGFS Questions

at 5:00 PM, pragmaticbigdata <amits...@gmail.com> wrote: > I have some questions of deploying IGFS as a cache layer given that ignite > could be deployed both as a key-value store and as a file system > > 1. How does IGFS behave when deployed in standalone mode? I w

IGFS Questions

I have some questions of deploying IGFS as a cache layer given that ignite could be deployed both as a key-value store and as a file system 1. How does IGFS behave when deployed in standalone mode? I wanted to confirm that there is no durability in this mode. Assuming I persist a parquet file

RE: Questions on Client Reconnect and Client Cache

a test case that doesn't work and share with use. 3. Refer to this page for details about binary format: https://apacheignite.readme.io/docs/binary-marshaller -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Questions-on-Client-Reconnect-and-Client-Cache

RE: Questions on Client Reconnect and Client Cache

. How can extract a field values from BinaryObject. Do you have any sample code? Cheers, Mani From: Andrey Mashenkov [mailto:andrey.mashen...@gmail.com] Sent: Wednesday, January 11, 2017 5:18 PM To: user@ignite.apache.org Subject: Re: Questions on Client Reconnect and Client Cache Hi, 1. It looks

Re: Ignite with Cassandra questions / errors

Ah, now I understand. That worked. Thanks! -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9913.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Ignite with Cassandra questions / errors

; return sb.toString(); } } For these two classes you Cassandra persistence descriptor could be as simple as: * comment = 'Test table for Ignite/Cassandra connection' AND read_repair_chance = 0.2 * -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9909.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Ignite with Cassandra questions / errors

sb.append(analysisTime); sb.append(", createdDate: "); sb.append(createdDate); sb.append(", createdBy: "); sb.append(createdBy); sb.append(", modifiedDate: "); sb.append(modifiedDate); sb.append(", modifiedBy:

Re: Ignite with Cassandra questions / errors

lField* -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9887.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Ignite with Cassandra questions / errors

this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9877.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Ignite with Cassandra questions / errors

D read_repair_chance = 0.2; -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9875.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: Ignite questions

bean and it seems to have resolved the problem. Sorry for the false alarm. 2. OK, I will post this as a feature request JIRA ticket. Thank you, Best regards, Roman -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-questions-tp9679p9704.html Sent from

Ignite questions

Hi, I started investigating Apache Ignite as a proof-of-concept for production cluster-wide key-value store and distributed counters. I run several tests using REST API on a 3 node cluster; 1 backup; cacheMode Partitioned; synchronization mode FULL_SYNC. Questions: 1. When the Ignite instance

Re: Ignite Design questions

, but in any case Ignite does not allow to merge clusters back. You will have to manually restart one of them. -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-Design-questions-tp9646p9653.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Ignite Design questions

Cluster?? Sorry if these questions are too broad. I am a total newbie. I am looking to start a POC, and need a place to begin. Thanks much, -- Chris

Re: Ignite with Cassandra questions / errors

pacheignite-mix.readme.io/docs/examples#example-5 > > -Val > > > > -- > View this message in context: http://apache-ignite-users. > 70518.x6.nabble.com/Ignite-with-Cassandra-questions- > errors-tp9607p9608.html > Sent from the Apache Ignite Users mailing list archive at Nabble.com. >

Re: Ignite with Cassandra questions / errors

/indexes#annotation-based-configuration [2] https://apacheignite-mix.readme.io/docs/examples#example-5 -Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Ignite-with-Cassandra-questions-errors-tp9607p9608.html Sent from the Apache Ignite Users mailing list archive

Ignite with Cassandra questions / errors

Hi. I have 2 questions regarding Ignite & Cassandra. I'm using Ignite v1.8 I'm trying to get a very simple example working with read/write through to c*, but I'm having some difficulty. First, I'm trying to use the POJO strategy of configuration for both the key & value per

Re: Off-heap memory usage questions

08 > To: user@ignite.apache.org > Subject: Re: Off-heap memory usage questions > > Hi Shaomin, > > 1. Yes, this is a per node setting. So if there are two nodes on one box, > it's possible that 20G will be allocated on this box. You should make sure > that this limi

RE: Off-heap memory usage questions

...@gmail.com] Sent: 14 April 2016 19:08 To: user@ignite.apache.org Subject: Re: Off-heap memory usage questions Hi Shaomin, 1. Yes, this is a per node setting. So if there are two nodes on one box, it's possible that 20G will be allocated on this box. You should make sure that this limit

Re: Off-heap memory usage questions

-questions-tp4163p4185.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.

Re: General Questions ok here?

arelio wrote > is it ok to ask general questions, as high level as "we are looking to do > , how would ignite fit?" in this forum? Or do you want to keep > questions to ones with speficic answers like Stack Overflow? Yes, you can ask all your questions here. Also, can

Re: Questions on transitioning from GridGain to Ignite

On Mon, Sep 14, 2015 at 4:48 PM, wrote: > Good stuff. This should be in a FAQ > Good point! We should add an FAQ session and add some of these answers there. > > Sent from My Phone > > On Sep 14, 2015, at 17:24, Valentin Kulichenko < > valentin.kuliche...@gmail.com> wrote:

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