See answers inline On Thu, Nov 12, 2015 at 2:53 PM, Sandhu, Dilpreet <dsan...@illumina.com> wrote:
> Hi all, > I am new to Kafka usage. Here are some questions that I have in > mind. Kindly help me understand it better. If some questions make no sense > feel free to call it out. > 1. Is it possible to prune log offsets (messages)older than certain date > in a partition? > You can configure the retention time for a topic, all older messages will be pruned. This configuration is at topic level, not for a specific partition. > 2. Will Kafka delete a topic regardless of unconsumed messages, if log > retention hours limit is met? > Yes > 3. Is there a way to just delete messages in Kafka? > Normally, we are only deleting messages when they are old or when size limit is exceeded. There is a special "compaction" mode where the last message for any key is stored forever. In this mode you can delete messages by sending a new message with that key and a "null" value. However, this also just takes place after a certain amount of time. > > Any help will be much appreciated. > > Thanks. > Best regards, > Dilpreet >
