The initial three RS were on Kafka brokers with two disks shared between Kafka logs and HDFS. HBase 1.1.1. The new RS servers are 3 disks each, with RS, DN and NodeManagers on them. On Oct 17, 2015 11:36 AM, "Ted Yu" <[email protected]> wrote:
bq. once I added more regionservers Were any of the new regionservers on the Kafka broker nodes ? Which release of hbase are you using ? Looks like 1.x since the log was added by HBASE-11240 Thanks On Sat, Oct 17, 2015 at 8:22 AM, Artem Ervits <[email protected]> wrote: > Hello all, trying to address a sudden change in performance, processing > Kafka, Storm, HBase pipeline. I'm seeing error wal.FSHLog: Slow sync cost: > 143 ms, current pipeline:, this started appearing once I added more > regionservers. Is there a problem with small Xmx value for datanode? That's > what I've found so far in searches. Table is presplit with no hotspotting > to be seen. I See the message on all RS. I do have 3 RS servers colocated > with Kafka brokers and Kafka disks share storage with datanode but > performance was never an issue before. >
