How to cleanup Zookeeper in Siebel Gateway Server

HI Team,

How to cleanup zookeeper (version-2) folder in gatway server, it is occupied around 40 GB of space.

Can i delete all log.a* files ? will that cause any issue?

-rw-rw-r-- 1 siebel siebel 67108880 2019-11-15 04:00 log.a726368

-rw-rw-r-- 1 siebel siebel  3991920 2019-11-15 04:00 snapshot.a73b2c1

-rw-rw-r-- 1 siebel siebel 67108880 2019-11-15 04:32 log.a73b2c2

-rw-rw-r-- 1 siebel siebel  3991343 2019-11-15 04:32 snapshot.a7530ac

-rw-rw-r-- 1 siebel siebel 67108880 2019-11-15 06:00 log.a7530ae

-rw-rw-r-- 1 siebel siebel  3992411 2019-11-15 06:00 snapshot.a766417

-rw-rw-r-- 1 siebel siebel 67108880 2019-11-15 06:30 log.a766419

-rw-rw-r-- 1 siebel siebel  3991909 2019-11-15 06:30 snapshot.a77c53a

-rw-rw-r-- 1 siebel siebel 67108880 2019-11-15 06:54 log.a77c53c