Are you talking about increase in number of threads from Hive server2 connection to your database (MySQL)?
Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* http://talebzadehmich.wordpress.com On 30 March 2016 at 22:28, Udit Mehta <ume...@groupon.com> wrote: > Hi all, > > We are currently running Hive in production and staging with the metastore > connecting to a MySql database in the backend. The traffic in production > accessing the metastore is more than staging which is expected. We have had > a sudden increase in traffic which has led to the metastore operation > taking a lot longer than before. The same query on staging takes a lot less > due to the lesser traffic on the staging cluster. > > We tried increasing the heap space for the metastore process as well as > bumped up the memory for the mysql database. Both these changes did not > seem to help much and we still see delays. Is there any other config we can > increase to counter this increased traffic? I am looking at config for max > threads as well but im not sure if this is the right path ahead. > > Im wondering if the metastore is a bottleneck here or im missing something. > > Looking forward to your reply, > Udit >