Re: Running and Managing Large Cassandra Clusters

2020-10-28 Thread Tom van der Woerdt
ations, but specific single-range repairs. Tom van der Woerdt Senior Site Reliability Engineer Booking.com BV Vijzelstraat Amsterdam Netherlands 1017HL [image: Booking.com] <https://www.booking.com/> Making it easier for everyone to experience the world since 1996 43 languages, 214+ offices

Re: Running and Managing Large Cassandra Clusters

2020-10-28 Thread Tom van der Woerdt
ot particularly problematic. In my experience it's the small clusters that wake you up ;-) Tom van der Woerdt Senior Site Reliability Engineer Booking.com BV Vijzelstraat Amsterdam Netherlands 1017HL [image: Booking.com] <https://www.booking.com/> Making it easier for everyone to ex

Re: Running and Managing Large Cassandra Clusters

2020-10-28 Thread Tom van der Woerdt
n the automation. Scaling up or down takes a while, but it doesn't appear to be slower than any other cluster. Configuration wise it's no different than a 5-node cluster either. Pretty uneventful tbh. Tom van der Woerdt Senior Site Reliability Engineer Booking.com BV Vijzelstraat Amsterdam Net

Re: Five Questions for Cassandra Users

2019-03-28 Thread Tom van der Woerdt
t we certainly don't run our clusters manually Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherlands [image: Booking.com] <https://www.booking.com/> Empowering people to experience the world since 1996 43 languages, 214+ off

Re: [External] Maximum SSTable size

2018-06-27 Thread Tom van der Woerdt
ize? > If there is not, does it go up to the maximum Operational System values? > > Thanks in advance, > Lucas Benevides > -- Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherlands Direct +31207153426 [image: Booking.com] <ht

Re: [External] Is there any limit in the number of partitions that a table can have

2018-03-07 Thread Tom van der Woerdt
Hi Javier, When our users ask this question, I tend to answer "keep it above a billion". More partitions is better. I'm not aware of any actual limits on partition count. Practically it's almost always limited by the disk space in a server. Tom van der Woerdt Site

Re: [External] Re: Whch version is the best version to run now?

2018-03-05 Thread Tom van der Woerdt
community wrt patches. This is why I'd recommend 3.11.x for new projects. Stay away from any of the 2.x series, they're going EOL soonish and the newer versions are very stable. Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherla

Re: Decommissioned nodes and FailureDetector

2018-01-19 Thread Tom van der Woerdt
at the number of unreachable racks, so if you only care about nodes you should be able to get rid of most code here. Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherlands [image: Booking.com] <http://www.booking.com/> The world

Re: Meltdown/Spectre Linux patch - Performance impact on Cassandra?

2018-01-05 Thread Tom van der Woerdt
, and may not be reproducible for production workloads. If you have the infrastructure to test a variety of kernels, I'd be very interested to see your numbers. Thanks, Tom van der Woerdt Site Reliability Engineer Booking.com B.V. Vijzelstraat 66-80 Amsterdam 1017HL Netherlands Direct +3

Unexpected rows in MV after upgrading to 3.0.15

2017-11-03 Thread Tom van der Woerdt
on.LeveledCompactionStrategy'} AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'} AND crc_check_chance = 1.0 AND dclocal_read_repair_chance = 0.1 AND default_time_to_live = 0 AN

Re: Netty SSL memory leak

2017-05-31 Thread Tom van der Woerdt
Hi John, That's the bug I filed the ticket for, yup. I recommend updating to a newer Cassandra version (3.0.11 or newer), which fixes this issue (and many others). Tom On Wed, May 31, 2017 at 12:39 AM, John Sanda wrote: > I have Cassandra 3.0.9 cluster that is hitting OutOfMemoryErrors with b

Re: Change primary key from int to bigint

2017-01-11 Thread Tom van der Woerdt
But it is safe to change non-primary-key columns from int to varint, right? > > 2017-01-11 10:09 GMT+01:00 Tom van der Woerdt < > tom.vanderwoe...@booking.com>: > >> Actually, come to think of it, there's a subtle serialization difference >> between varint an

Re: Change primary key from int to bigint

2017-01-11 Thread Tom van der Woerdt
erence in performance? > > 2017-01-11 9:39 GMT+01:00 Tom van der Woerdt >: > >> Hi Benjamin, >> >> bigint and int have incompatible serialization types, so that won't work. >> However, changing to 'varint' will work fine. >> >&g

Re: Change primary key from int to bigint

2017-01-11 Thread Tom van der Woerdt
Hi Benjamin, bigint and int have incompatible serialization types, so that won't work. However, changing to 'varint' will work fine. Hope that helps. Tom On Wed, Jan 11, 2017 at 9:21 AM, Benjamin Roth wrote: > Hi there, > > Does anyone know if there is a hack to change a "int" to a "bigint"