sentinel output-buffer occupied a large amount of memory

[qunchenmy]

client list output :

addr=192.168.41.64:61352 fd=13 name=sentinel-50385978-pubsub age=10345519 idle=9047719    flags=N db=0 sub=1 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=16376 oll=195586 omem=4013424720 events=rw cmd=subscribe
addr=192.168.41.63:56392 fd=16 name=sentinel-7a2e0f4f-pubsub age=9047974 idle=9047311 flags=N db=0 sub=1 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=16322 oll=195582 omem=4013342640 events=rw cmd=subscribe
addr=192.168.41.63:9660 fd=14 name=sentinel-7a2e0f4f-pubsub age=9047896 idle=9046851 flags=N db=0 sub=1 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=16322 oll=195560 omem=4012891200 events=rw cmd=subscribe

omem is very large.

and sentinel version is 2.8.19, and 2.8.20 has fix this problem?

--[ Redis 2.8.20 ] Release date: 5 May 2015
Upgrade urgency: LOW for Redis, MODERATE for Sentinel.

• [FIX] Sentinel memory leak due to hiredis fixed. (Salvatore Sanfilippo)
• [FIX] Sentinel memory leak on duplicated instance. (Charsyam)
• [FIX] Redis crash on Lua reaching output buffer limits. (Yossi Gottlieb)
• [FIX] Sentinel flushes config on +slave events. (Bill Anderson)

[ahzean]

3.0.0 RC1