Re: Need help with simple schema for time-series

2016-08-28 Thread Noorul Islam K M
http://kairosdb.github.io/ Regards, Noorul Peter Figliozzi writes: > I have data from many sensors as time-series: > >- Sensor name >- Date >- Time >- value > > I want to query windows of both date and time. For example, 8am - 9am from > Aug. 1st to

Re: Question about hector api documentation

2016-06-23 Thread Noorul Islam K M
The very first line README tells the story THIS PROJECT IS NO LONGER ACTIVE But you should be able to generate doc from source code. Regards, Noorul Sungju Hong writes: > Hello, > > I'm finding hector java api doc. > > I searched though google but couldn't find hector

Re: Too many sstables with DateTieredCompactionStrategy

2016-02-29 Thread Noorul Islam K M
ion': 'MILLISECONDS'? It should be >> left as >> > default (MICROSECONDS) unless you do "USING TIMESTAMP >> > "-inserts, see >> > https://issues.apache.org/jira/browse/CASSANDRA-11041 >> > >> > On Mon, Feb 29, 2016 at 2:36 PM, Noo

Re: Too many sstables with DateTieredCompactionStrategy

2016-02-29 Thread Noorul Islam K M
astpickle.com > > 2016-02-29 15:50 GMT+01:00 Noorul Islam Kamal Malmiyoda <noo...@noorul.com>: > >> Yes, we have enabled it on OpsCenter. Is that the reason? >> On Feb 29, 2016 8:07 PM, "Dominik Keil" <dominik.k...@movilizer.com> >> wrote: >> >

Too many sstables with DateTieredCompactionStrategy

2016-02-29 Thread Noorul Islam K M
Hi all, We are using below compaction settings for a table compaction = {'timestamp_resolution': 'MILLISECONDS', 'max_sstable_age_days': '365', 'base_time_seconds': '60', 'class': 'org.apache.cassandra.db.compaction.DateTieredCompactionStrategy'} But it is creating too many sstables. Currently

sstableloader throughput

2016-01-11 Thread Noorul Islam K M
I have a need to stream data to new cluster using sstableloader. I spawned a machine with 32 cores assuming that sstableloader scaled with respect to cores. But it doesn't look like so. I am getting an average throughput of 18 MB/s which seems to be pretty low (I might be wrong). Is there any

What is the ideal way to merge two Cassandra clusters with same keyspace into one?

2015-12-21 Thread Noorul Islam K M
Hello all, We have two clusters X and Y with same keyspaces but distinct data sets. We are planning to merge these into single cluster. What would be ideal steps to achieve this without downtime for applications? We have time series data stream continuously writing to Cassandra. We have ruled

Re: What is the ideal way to merge two Cassandra clusters with same keyspace into one?

2015-12-21 Thread Noorul Islam K M
> Kind regards, > George > > > > On Mon, Dec 21, 2015 at 10:12 AM, Noorul Islam K M <noo...@noorul.com> > wrote: > >> >> Hello all, >> >> We have two clusters X and Y with same keyspaces but distinct data sets. >> We are plannin