That's RocksDB .. I'm using in-memory stores ...
the 'null' is not checked ...
On Tue, Aug 8, 2017 at 12:52 PM, Damian Guy <damian....@gmail.com> wrote:
> The null values are treated as deletes when they are written to the store.
> You can see here:
> On Tue, 8 Aug 2017 at 11:22 Bart Vercammen <b...@cloutrix.com> wrote:
> > Hi,
> > I noticed the following:
> > When a kafka streams application starts, it will restore its state in its
> > state-stores (from the log-compacted kafka topic). All good so far, but
> > noticed that the 'deleted' entries are actually read in into the store as
> > 'key' with value:`null`
> > Is this expected behaviour? I would assume that 'null' values are
> > when restoring the state as this is exactly how the entries are deleted
> > the log-compacted kafka-topic.
> > When the compaction has run on the kafka topic, all is fine, but when the
> > segment is not compacted yet, these null values are read in.
> > Greets,
> > Bart
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