DataFileWriter#append() is not synchronized. If you have multiple
threads appending to the same file then you must synchronize. For
example:
synchronized (writer) { writer.append(value); }
Doug
On Wed, Oct 9, 2013 at 4:16 AM, David Ginzburg <[email protected]> wrote:
> Hi,
> I am writing a kafka consumer that persists messages into avro record files.
> The consumer is a threaded application, but it is unclear to me if
> DataFileWriter is thread safe, or I need to add some synchronization
> code when appending messages ?