big wal/archive file,but node file is small

hi ,I insert 2 T log data into 4 nodes ignite cluster through data streamer. I found that wal/archive directory, but storage directory is small. can someone tell me the reason? the detail like this ,in one node: 8.0K/data/sql/marshaller 40K /data/sql/node00-c973fbc4-5cf3-4c1c-91e5-441ee32edb

in a four node ignite cluster,use atomicLong and process is stuck in countdown latch

hi , in a four node ignite cluster,use atomicLong and process is stuck in countdown latch . the stack like this: at java.util.concurrent.locks.LockSupport.park(LockSupport.java:189) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchron

how to use 3 party file system

hi,i want to use 3 party file system like HDFS underneath Ignite. now dose Ignite support 3 party file system？ -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

How dose ignite implement concurrent control in transaction？

hi ， How dose ignite implement concurrent control in transaction？ Since Ignite support Read Repeat isolation，so in a transaction lock protocol is tow phase with respect to exclusive lock and well-formed. Does Ignite implement tow phase lock and granule lock to prevent phantom read.Besides Dose Igni

Dose Iginte implement lock and latch in transaction，and where is the code ？

Dose Iginte implement lock and latch in transaction，and where is the code ？ -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Why Ignite SQL can not support transactional mode transaction

hi vkulichenko I may not express myself clearly，What I mean is that since KV storage supports transactions, why doesn't SQL support transactional transactions? Dose Transaction impact other session‘s select SQL？ -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

When I use Ignite create table ddl，can I set the db schema instead of the schema name "PUBLIC"？

hi, When I use Ignite create table DDL，can I set the db schema instead of the schema name "PUBLIC"？ -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Why Ignite SQL can not support transactional mode transaction

hi I know that Ignite support transactional mode transaction as KV store, then why SQL not support? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Is Ignite persistency store row store or column store?

hi , is Ignite persistency store row store or column store? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

how to use bigbench test ignite performance

Just like the subject title,has anyone tested the Ignite performance by bigbench or other kind of benchmark util? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/