Streamer with overwrite option

Hi All, I am going to get updates for the existing records in the cache, and currently don't have an update or upsert process in place. How expensive is a streamer with overwrite option set to true, assuming the cache has millions of records? I assume the streamer would compare the new entry

Continuous Query on a varying set of keys

Hi, We have a table in ignite cache which would have say around 1Mn entries at anytime. Now we wish to listen on updates on a subset of these keys (say 5-10 thousand keys) and this subset keeps on changing as the user subscribes/unsubscribes to these keys. The way it is currently working is one

Cant connect distributed servers

Hi all, We can't connect two distributed servers, see attached log. server1.log JVM config includes -Djava.net.preferIPv4Stack=true Ignite conf includes TcpDiscoverySpi discovery = new TcpDiscoverySpi();

Calculation of Size

I have persistence enabled. How much size do I need for Off-Heap if I wish not to have "too many dirty pages" checkpointing? Our application has many threads which simultaneously write/read data. With total 1L records in all caches I'm seeing 770MB of size occupied in Off-heap while running for 1

Re: Data streamer has been cancelled

To improve performance use addData in bach mode (map) for example every 2000 entries, use finally with flush and close(false) on streamer to ensure data have been properly loaded. Cheers! Manuel. > El 17 may 2020, a las 12:08, nithin91 > escribió: > > Hi > > Currently i am trying to

Re: Deleting multiple entries from cache at once

Take a look at IgniteCache api docs... deleteAll by cache keys (faster) If you use QueryEntities you can use SQL DELETE statement with filters (slower) > El 17 may 2020, a las 12:14, nithin91 > escribió: > > Hi > > Is there an API, to delete multiple entries from cache efficiently? > > >

Re: [DISCUSS] Apache Ignite mascot

What about a hellboy’s style animal?, with Ignite’s flame between the horns El 16 may 2020, a las 23:22, Saikat Maitra escribió:  Hi Denis, Awesome ideas !!! yes, I am aligned on a friendly dragon character as a mascot, like Spyro. I also like the idea of peacock as its feathers colors shows

Deleting multiple entries from cache at once

Hi Is there an API, to delete multiple entries from cache efficiently? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Data streamer has been cancelled

Hi Currently i am trying to load the data into ignite cache using data steamer from Oracle DB. Currently i have two server nodes deployed on two Linux servers and i am executing this as a standalone java program from my local machine. To achieve this i have followed the below steps. 1. Start

Re: Service Node vs Data Node

Thanks for the detailed explanation.It is very helpful. I have one query. To execute a compute job on server nodes, should i use the below command by starting as client node.Please correct me if i am wrong. IgniteCompute compute = ignite.compute(cluster.forRemotes()); Also can you please