None which get packaged with Flume.
Thanks, Hari On Wed, Apr 1, 2015 at 5:24 PM, Roshan Naik <[email protected]> wrote: > I can't think of any sinks which can do that. Do you know of any such > sinks ? HDFS sink (I don't think) ? Hbase sink ? > -roshan > On 4/1/15 5:17 PM, "Hari Shreedharan" <[email protected]> wrote: >>If a sink continuously rolls back, but it is single threaded - only one >>txn at a time, then the ordering is still guaranteed. But if the sink >>keeps multiple txns open, then the ordering is gone. >> >> >> >>Thanks, Hari >> >>On Wed, Apr 1, 2015 at 5:10 PM, Roshan Naik <[email protected]> >>wrote: >> >>> Specifically in the case of a single source and sink attached to the >>>channel... I know that in Flume we do not explicitly guarantee FIFO >>>order for any of the channels although in practice the channels do seem >>>to exhibit FIFO. >>> Specifically wrt to file channel... >>> Not sure if under normal operation (I.e source and sink are not >>>experiencing issues causing them to abort TXNs) FIFO ordering can be >>>lost. >>> But...maybe the order can be lost if the single sink is experiencing >>>lot of issues leading to repeatedly aborting TXNs for an extended period >>>of time. Possible ?? >>> Or perhaps there are other known edge cases when FIFO order can be lost >>>? >>> -roshan
