Hi,

I have a ktable and I want to keep entries in it only for that past 24 hours. 
How can I do that? I understand rocksdb has support for ttl. Should I set that? 
How? Should I use kafka-streams window functionality? Would it remove data from 
old windows?

I want to do this because I’m seeing a huge lag forming in the repartition 
topic backing the ktable after a while and the whole thing slows down. In jmx I 
see values such as these for rocksdb metrics:

all-get-avg-latency-ms=60123
all-put-avg-latency-ms=40456
all-put-qps=421
all-get-qps=430

What’s the best way to check to see how rocksdb is performing and where the 
bottleneck is? This is on an ssd.

Thanks,
Ara.



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