RE: cassandra reads are unbalanced

What client Cassandra driver are you using? Java? Java driver 2.1.8 Is there only a single thread in each client or are there multiple threads Multi in parallel. What does your connection code look like It’s a very large class based on config files, but I believe you’re interested in this line

Re: AttributeError python exception when using Models

This is a good question for the Python driver mailing list . (changing recipients on this message) To answer your question: this is happening because there is no connection setup for the cqlengine mapper. When using c

Re: Handle Node Failure with Repair -pr

Hi All !!! Any comments on the repair -pr scenarios..please share how you deal with such scenarios.. Thanks Anuj Sent from Yahoo Mail on Android From:"Anuj Wadehra" Date:Sat, 5 Dec, 2015 at 12:57 am Subject:Handle Node Failure with Repair -pr Hi Guys !! I need comments on my understandi

[RELEASE] Apache Cassandra 2.2.4 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.2.4. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source an

[RELEASE] Apache Cassandra 2.1.12 released

The Cassandra team is pleased to announce the release of Apache Cassandra version 2.1.12. Apache Cassandra is a fully distributed database. It is the right choice when you need scalability and high availability without compromising performance. http://cassandra.apache.org/ Downloads of source a

lots of tombstone after compaction

I bulkloaded a few tables using CQLSStableWrite/sstableloader. The data are large amount of wide rows with lots of null's. It takes one day or two for the compaction to complete. sstable count is at single digit. Maximum partition size is ~50M and mean size is ~5M. However I am seeing frequent read

Re: lots of tombstone after compaction

The nulls in the original data created the tombstones. They won’t go away until gc_grace_seconds have passed (default is 10 days). On Dec 7, 2015, at 4:46 PM, Kai Wang wrote: > I bulkloaded a few tables using CQLSStableWrite/sstableloader. The data are > large amount of wide rows with lots of

Re: lots of tombstone after compaction

https://issues.apache.org/jira/browse/CASSANDRA-7953 https://issues.apache.org/jira/browse/CASSANDRA-10505 There are buggy versions of cassandra that will multiple tombstones during compaction. 2.1.12 SHOULD correct that, if you’re on 2.1. From: Kai Wang Reply-To: "user@cassandra.apache.org

Re: Cassandra compaction stuck? Should I disable?

Thank you for the investigation. On Dec 2, 2015 5:21 AM, "PenguinWhispererThe ." < th3penguinwhispe...@gmail.com> wrote: > So it seems I found the problem. > > The node opening a stream is waiting for the other node to respond but > that node never responds due to a broken pipe which makes Cassand

Re: lots of tombstone after compaction

Rob and Jeff, Thank you. It makes sense. I am on 2.1.10 and will upgrade to 2.1.12. On Dec 7, 2015 7:05 PM, "Jeff Jirsa" wrote: > https://issues.apache.org/jira/browse/CASSANDRA-7953 > > https://issues.apache.org/jira/browse/CASSANDRA-10505 > > There are buggy versions of cassandra that will mul

Re: AttributeError python exception when using Models

Thank you, Adam! For some reason I missed that part, thought that the created session will automatically be used, silly me:) But indeed, the error handling might have been better. Adam Holmberg writes: > This is a good question for the Python driver mailing list. (changing > recipients on this