Re: question on maximum disk seeks

2017-03-21 Thread preetika tyagi
e then two >> reads. Think of often updated partition keys – in combination with memory >> preassure you can easily end up with maaany sstables (ok they will be >> compacted some time in the future). >> >> >> >> Second, there could be fragmentation on disk which leads t

Re: question on maximum disk seeks

2017-03-21 Thread Jonathan Haddad
in combination with memory > preassure you can easily end up with maaany sstables (ok they will be > compacted some time in the future). > > > > Second, there could be fragmentation on disk which leads to seeks during > sequential reads. > > > > Jan > > > &

Re: question on maximum disk seeks

2017-03-21 Thread preetika tyagi
ables (ok they will be >> compacted some time in the future). >> >> >> >> Second, there could be fragmentation on disk which leads to seeks during >> sequential reads. >> >> >> >> Jan >> >> >> >> Gesendet von meinem

Re: question on maximum disk seeks

2017-03-21 Thread Jonathan Haddad
assure you can easily end up with maaany sstables (ok they will be > compacted some time in the future). > > > > Second, there could be fragmentation on disk which leads to seeks during > sequential reads. > > > > Jan > > > > Gesendet von meinem Windows 10 Phone > &

Re: question on maximum disk seeks

2017-03-21 Thread preetika tyagi
g > sequential reads. > > > > Jan > > > > Gesendet von meinem Windows 10 Phone > > > > *Von: *preetika tyagi > *Gesendet: *Montag, 20. März 2017 21:18 > *An: *user@cassandra.apache.org > *Betreff: *question on maximum disk seeks > > > > I'

AW: question on maximum disk seeks

2017-03-20 Thread j.kesten
Von: preetika tyagi Gesendet: Montag, 20. März 2017 21:18 An: user@cassandra.apache.org Betreff: question on maximum disk seeks I'm trying to understand the maximum number of disk seeks required in a read operation in Cassandra. I looked at several online articles including this one: 

Re: question on maximum disk seeks

2017-03-20 Thread Jeff Jirsa
On 2017-03-20 13:17 (-0700), preetika tyagi wrote: > I'm trying to understand the maximum number of disk seeks required in a > read operation in Cassandra. I looked at several online articles including > this one: > https://docs.datastax.com/en/cassandra/3.0/cassandra/dml/dmlAboutReads.html >

question on maximum disk seeks

2017-03-20 Thread preetika tyagi
I'm trying to understand the maximum number of disk seeks required in a read operation in Cassandra. I looked at several online articles including this one: https://docs.datastax.com/en/cassandra/3.0/cassandra/dml/dmlAboutReads.html As per my understanding, two disk seeks are required in the worst