ServiceGrid CheckpointReadLock. Performance issue

2019-07-11 Thread Andrey Dolmatov
Hi! We call cache.get method using services and we found, that it acquires checkpoint read lock. If we have done many updates and chckpointing process has started (checkpoint write lock has acquired), then business critical read operations are waiting for lock! Is it by design? SimpleService prox

Re: How to improve the performance of COPY commands?

2019-07-11 Thread Павлухин Иван
Hi, Currently COPY is a mechanism designed for the fastest data load. Yes, you can try separate your data in chunks and execute COPY in parallel. By the way, where is your input located and what is it size in bytes (Gb)? Is persistence enabled? Does a DataRegion have enough memory to keep all data

Date PartitIon and Jdbc Conneciton Host

2019-07-11 Thread shicheng31...@gmail.com
Hi: Ignite does not use a master-slave architecture, so when we use sql, we can link to any node. If we write data, then the data is partitioned according to certain rules, or just write to the node written on JDBC URl? I have done a test .When I inserted so many records that the node

Re: JDBC Jar

2019-07-11 Thread Ilya Kasnacheev
Hello! There's no such command I guess. Maybe there's !tables? Notice the exclamation mark. Regards, -- Ilya Kasnacheev чт, 11 июл. 2019 г. в 20:11, Deepak Nigam : > Thanks, IIya. > > I am trying to see the data tables that my web application has created > using the sqlline utility. I ran the

Re: JDBC Jar

2019-07-11 Thread Deepak Nigam
Thanks, IIya. I am trying to see the data tables that my web application has created using the sqlline utility. I ran the following command: ./sqlline.sh --verbose=true -u "jdbc:ignite:thin://127.0.0.1/" The connection was successful but when I ran 'tables' command, I got the following error:

Re: JDBC Jar

2019-07-11 Thread Ilya Kasnacheev
Hello! It's ignite-core-2.7.5.jar from libs/ - providing jdbc:ignite:thin:// driver Please note that it needs the common Java 9+ args to function. Regards, -- Ilya Kasnacheev чт, 11 июл. 2019 г. в 19:17, Deepak Nigam : > Hello all, > > I need to download the jar file for connecting apache ig

JDBC Jar

2019-07-11 Thread Deepak Nigam
Hello all, I need to download the jar file for connecting apache ignite with one of my web application written in Java. I tried to search it on the internet but unable to find it. Please let me know where I can find it. Regards -- Deepak Nigam