Repair service fails with sync failed between X and Y

Hi All, First, let me apologize for the long message. Repair service is driving me insane. :) We are running Cassandra version *2.1.11.908* in 3 data centers. While running nodetool repair we are receiving the following error: [2015-11-20 00:25:24,803] Repair session 2ed2f930-8f1d-11e5-a498-4

Re: Cqlsh copy to and copy from

If the fields are null, COPY TO should just be generating "{field1: null, field2: null}". Would you mind opening a ticket here with steps to reproduce: https://issues.apache.org/jira/browse/CASSANDRA On Thu, Nov 19, 2015 at 1:05 AM, Vova Shelgunov wrote: > Hi all, > > I have a trouble with copy

Re: Help diagnosing performance issue

unsubscribe. > On Nov 19, 2015, at 3:58 PM, Antoine Bonavita wrote: > > Sebastian, > > I took into account your suggestion and set max_sstable_age_days to 1. > > I left the TTL at 432000 and the gc_grace_seconds at 172800. So, I expect > SSTable older than 7 days to get deleted. Am I right ?

Re: Help diagnosing performance issue

Sebastian, I took into account your suggestion and set max_sstable_age_days to 1. I left the TTL at 432000 and the gc_grace_seconds at 172800. So, I expect SSTable older than 7 days to get deleted. Am I right ? I did not change dclocal_read_repair_chance because I have only one DC at this po

Re: Cassandra 3.0.0 connection problem

On Thu, Nov 19, 2015 at 1:13 AM, Enrico Sola wrote: > Hi, I'm new to Cassandra and I've recently upgraded to 3.0.0 on Ubuntu > Linux 14.04 LTS, through apt-get upgrade not manual installation, after the > update all was fine so I could access to my keyspaces using cqlsh but I > can't access to Ca

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Re: Range scans

Chandra, I feel that you are trying to implement time series data pattern using secondary index and one column per row. I think a much better solution would be to partition data based on some logical row key ..if thats not availabke it may be hour/day + a bucket id (too prevent hot spots).. Yo

Running sstableloader from every node when migrating?

Hello, We would like to migrate one keyspace from a 6-node cluster to a 3-node one. Since an individual node does not contain all data, this means that we should run the sstableloader 6 times, one for each node of our cluster. To be precise, do "nodetool flush " then run sstableloader -d <3 targ

RE: Strategy tools for taking snapshots to load in another cluster instance

Have you read the DataStax documentation? http://docs.datastax.com/en/cassandra/2.0/cassandra/operations/ops_snapshot_restore_new_cluster.html From: Romain Hardouin [mailto:romainh...@yahoo.fr] Sent: Wednesday, November 18, 2015 3:59 PM To: user@cassandra.apache.org Subject: Re: Strategy tools fo

Re: Range scans

Hi Chandra, I will comment on some points. Someone else can take remaining ones: 1. Secondary Index are only useful when data returned by the index query is in hundreds. Fetching large data using secondary index would be very slow. Secondary indexes dont scale well. 2.token query should be

Re: [Marketing Mail] Migrating to incremental repairs

As far as I know, docs is quite inconsistent on the matter. Based on some research here and on IRC, recent versions of Cassandra do no require anything specific when migrating to incremental repairs but the the -inc switch even on LCS. Any confirmation on the matter is more than welcome. Regards,