All FE logs are now with suffix yyyyMMdd or yyyyMMddHH, specified by 2 new
configurations: 'sys_log_roll_interval' and 'audit_log_roll_interval'
All FE logs roll at max size of 1024MB(default), specified by new
configuration: 'log_roll_size_mb'
By default, the new FE logs will look like this:
log/
fe.audit.log
fe.audit.log.20190524-1
fe.audit.log.20190523-2
fe.log
fe.log.20190524-1
fe.log.20190524-2
fe.log.20190523-3
fe.warn.log
fe.warn.log.20190524-1
fe.warn.log.20190523-2
fe.gc.log.20190524
Configurations 'sys_log_roll_mode' and 'audit_log_roll_mode' are deprecated.
1. ix bugs in query layer.
2. remove some redundant code in BE
3. support specify multi helper node when starting FE
4. add proc 'cluster_load_statistic' to show load balance situation of Palo
Add new features:
1. plugins of Ambari and k8s deploy
2. specified config 'priority_network' to solve some ip problems
Fix bugs:
fix bugs that rebalance does not work in some case.
fix count(*) from union stmt bug
fix some union stmt bugs
fix bugs when try to schema change a clone replica
