Re: Strange delay in query

2012-11-06 Thread Chuan-Heng Hsiao
Hi Andre, I am just a cassandra user, the following suggestions may not be valid. I assume you are using cassandra-cli and connecting to some specific node. You can check the following steps: 1. Can you still reproduce this issue? (not -> maybe the system/node issue) 2. What's the result when q

Re: Strange delay in query

2012-11-06 Thread André Cruz
Can anyone shed some light on this matter, please? I don't want to just increase the timeout without understanding why this is happening. Some pointer for me to investigate would be helpful. I'm running Cassandra 1.1.5 and these are wide rows (lots of small columns). I would think that fetching

Re: repair, compaction, and tombstone rows

2012-11-06 Thread horschi
I don't know enough about the code level implementation to comment on the > validity of the fix. My main issue is that we use a lot of TTL columns and > in many cases all columns have a TTL that is less than gc_grace. The > problem arises when the columns are gc-able and are compacted away on one

Re: repair, compaction, and tombstone rows

2012-11-06 Thread Bryan Talbot
On Tue, Nov 6, 2012 at 8:27 AM, horschi wrote: > > >> it is a big itch for my use case. Repair ends up streaming tens of >> gigabytes of data which has expired TTL and has been compacted away on some >> nodes but not yet on others. The wasted work is not nice plus it drives up >> the memory usa

Re: Information of Apache Cassandra

2012-11-06 Thread sankalp kohli
It is licensed under Apache so the answer is no. If you are interested, you can read the license agreement on Apache. http://www.apache.org/licenses/LICENSE-2.0.html On Tue, Nov 6, 2012 at 10:35 AM, Manuel Alejandro Ortiz Gil < manuel24or...@gmail.com> wrote: > Hi, I want to use Cassandra for a

Re: Seeking Schema guidance

2012-11-06 Thread Ertio Lew
Thoughts ? On Tue, Nov 6, 2012 at 3:58 AM, Ertio Lew wrote: > I need to store (1)posts written by users, (2)along with activity data by > other users on these posts & (3) some counters for each post like views > counts, likes counts, etc. So for each post, there is 3 category of data > associa

Re: repair, compaction, and tombstone rows

2012-11-06 Thread horschi
Hi Bryan, As the OP of this thread, sorry for stealing for thread btw ;-) > it is a big itch for my use case. Repair ends up streaming tens of > gigabytes of data which has expired TTL and has been compacted away on some > nodes but not yet on others. The wasted work is not nice plus it driv

Re: logging servers? any interesting in one for cassandra?

2012-11-06 Thread Hiller, Dean
Sure, in our playing around, we have an awesome log back configuration for development time only that shows warning, severe in red in eclipse and let's you click on every single log taking you right to the code that logged it…(thought you might enjoy it)... https://github.com/deanhiller/playorm/bl

Strange delay in query

2012-11-06 Thread André Cruz
Hello. I have a SCF that is acting strange. See these 2 query times: get NamespaceRevision[3cd88d97-ffde-44ca-8ae9-5336caaebc4e] limit 33; ... Returned 33 results. Elapsed time: 41 msec(s). get NamespaceRevision[3cd88d97-ffde-44ca-8ae9-5336caaebc4e] limit 34; ... Returned 34 results. Elapsed ti

Re: logging servers? any interesting in one for cassandra?

2012-11-06 Thread Brian O'Neill
Nice DeanŠ I'm not so sure we would run the server, but we'd definitely be interested in the logback adaptor. (We would then just access the data via Virgil (over REST), with a thin javascript UI) Let me/us know if you end up putting it out there. We intend centralize logging sometime over the n

Re[2]: Hinted Handoff runs every ten minutes

2012-11-06 Thread Marcus Both
When I did the upgrade from 1.0.9 to 1.1.6, I had this same issue. And then I fixed it with the following steps below, in each of the nodes. [default@unknown] use system; Authenticated to keyspace: system [default@system] list HintsColumnFamily; Using default limit of 100 Using default column limi