Node crash recovery

2017-10-10 Thread mhetea
Hello, We have a cluster with 3 servers and about 9 clients. The cache mode is partitioned. At the moment randomly one server stops (we use ignite with spring boot), with no error and we lose the data as the cache mode is Partitioned. We enabled the Persistent Store

chunkSize

2017-09-29 Thread mhetea
Hello, We use ignite 2.2.0 (we migrated from 2.1.0) We have 3 Ignite nodes, each with 32GB of memory. We are loading on a node a large amount of data (aprox. 5GB) on one node. The chunkSize is calculated at 1.94GB. Sometimes we get Connection reset by peer on a node and the caches are closed

Re: GROUP_CONCAT function is unsupported

2017-09-06 Thread mhetea
Hello, I saw that the ticket was not fixed. Is there a workaround for this issue? I wouldn't like to iterate over the results and then concatenate them because the result list can be large. Thank you! -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

SQL query is slow

2017-08-29 Thread mhetea
We have a cache with ~3million entries We execute the following query: select count(_key) from IgniteProduct as product where POSITION ('Z',manufacturerCode)>0 The query takes about 7s though the index is hit. Query execution is too long [time=7103 ms, sql='SELECT COUNT(PRODUCT__Z0._KEY) __C0_0