One use case is implementing a data retention policy. -Peter
> On May 12, 2016, at 17:11, Guozhang Wang <wangg...@gmail.com> wrote: > > Wesley, > > Could describe your use case a bit more for motivating this? Is your data > source expiring records and hence you want to auto "delete" the > corresponding Kafka records as well? > > Guozhang > >> On Thu, May 12, 2016 at 2:35 PM, Wesley Chow <w...@chartbeat.com> wrote: >> >> Right, I’m trying to avoid explicitly managing TTLs. It’s nice being able >> to just produce keys into Kafka without having an accompanying vacuum >> consumer. >> >> Wes >> >> >>> On May 12, 2016, at 5:15 PM, Benjamin Manns <benma...@gmail.com> wrote: >>> >>> If you send a NULL value to a compacted log, after the retention period >> it >>> will be removed. You could run a process that reprocesses the log and >> sends >>> a NULL to keys you want to purge based on some custom logic. >>> >>> On Thu, May 12, 2016 at 2:01 PM, Wesley Chow <w...@chartbeat.com> wrote: >>> >>>> Are there any thoughts on supporting TTLs on keys in compacted logs? In >>>> other words, some way to set on a per-key basis a time to auto-delete. >>>> >>>> Wes >>> >>> >>> >>> -- >>> Benjamin Manns >>> benma...@gmail.com >>> (434) 321-8324 > > > -- > -- Guozhang
