Re: Forcing garbage collection

[Sijie Guo]

On Thu, Nov 14, 2019 at 7:18 PM Brian Candler <b.cand...@pobox.com> wrote:

> I wrote some gigabytes of data into a topic, and then deleted the
> topic.  The disk space in the data/ directory has not yet been freed
> (specifically, data/standalone/bookkeeper0/current/)
>
> 1. Is there a way to force a garbage-collection pass?
>

The garbage collection is done lazily via a gc thread.

If you enable http server at your bookies (by setting `httpServerEnabled`
in your bookie.conf), you can then use http to trigger gc.

http://bookkeeper.apache.org/docs/latest/admin/http/#endpoint-apiv1bookiegc



>
> 2. The topic was created in a namespace that has a 24-hour retention
> policy.  Does that make any difference to garbage collection behaviour
> when a topic is deleted?
>
> $ apache-pulsar-2.4.1/bin/pulsar-admin namespaces get-retention
> public/default
> {
>    "retentionTimeInMinutes" : 1440,
>    "retentionSizeInMB" : -1
> }
>
> Thanks,
>
> Brian.
>
>