Not sure if anyone has seen this before but it's really killing me right
now. Perhaps that was too long of a description of the issue so here's a
more succinct question -- How do I remove nodes associated with a cluster
that contain no data and have no reason to be associated with the cluster
I don't think that's what I'm after here since the unwanted nodes were
originally assimilated into the cluster with the same initial_token values
as other nodes that were already in the cluster (that have, and still do
have, useful data). I know this is an awkward situation so I'll try to
depict
Hi Stephen,
this is a great idea but unfortunately doesn't work for us either as we
can not store the data in an unencrypted form.
Kind regards
Matthias
On 10/12/2011 07:42 PM, Stephen Connolly wrote:
could you prefix the data with 3-4 bytes of a linear hash of the
unencypted data? it
Hi Aaron,
I guess i found it :-).
I added logging for the used IndexInfo to
SSTableNamesIterator.readIndexedColumns and got negative index postions
for the missing columns. This is the reason why the columns are not
loaded from sstable.
So I had a look at ColumnIndexer.serializeInternal and
durable_writes sounds great - thank you! I really do not need commit log
here.
Another question: it is possible to configure live time of Tombstones?
Regards,
Maciej
Matthias,
This is an interesting problem.
I would consider using long's as the column type, where your column
names are evenly distributed longs in sort order when you first write
your list out. So if you have items A and C with the long column
names 1000 and 2000, and then you have to insert
JIRA is not read-only, you should be able to create a ticket at
https://issues.apache.org/jira/browse/CASSANDRA, though
that probably require that you create an account.
--
Sylvain
On Thu, Oct 13, 2011 at 3:20 PM, Thomas Richter t...@tricnet.de wrote:
Hi Aaron,
the fix does the trick. I
Hi Dean,
I don't have have an answer to your question, but just in case you haven't
seen this screencast by Ed Anuff on Cassandra Indexes, it helped me a lot.
http://blip.tv/datastax/indexing-in-cassandra-5495633
Hani
On Wed, Oct 12, 2011 at 12:18 PM, Dean Hiller d...@alvazan.com wrote:
I
Do you have same seed node specified in cass-analysis-1 as cass-1,2,3?
I am thinking that changing the seed node in cass-analysis-2 and
following the directions in
http://wiki.apache.org/cassandra/FAQ#schema_disagreement might solve
the problem. Somone please correct me.
On Thu, Oct 13, 2011 at
Hi Zach,
thanks for that good idea. Unfortunately, our list needs to be rewritten
often because our data is far away from being evenly distributed.
However, we could get this under control but there is a more severe
problem: Random access is very hard to implement on a structure with
Nope, there was definitely no intersection of the seed nodes between the two
clusters so I'm fairly certain that the second cluster found out about the
first through what was in the LocationInfo* system tables. Also, I don't
think that procedure will really help because I don't actually want the
You're running into https://issues.apache.org/jira/browse/CASSANDRA-3259
Try upgrading and doing a rolling restart.
-Brandon
On Thu, Oct 13, 2011 at 9:11 AM, Eric Czech e...@nextbigsound.com wrote:
Nope, there was definitely no intersection of the seed nodes between the two
clusters so I'm
Thanks for the hint.
Ticket created: https://issues.apache.org/jira/browse/CASSANDRA-3358
Best,
Thomas
On 10/13/2011 03:27 PM, Sylvain Lebresne wrote:
JIRA is not read-only, you should be able to create a ticket at
https://issues.apache.org/jira/browse/CASSANDRA, though
that probably
great video, thanks!
On Thu, Oct 13, 2011 at 7:45 AM, hani elabed hani.ela...@gmail.com wrote:
Hi Dean,
I don't have have an answer to your question, but just in case you haven't
seen this screencast by Ed Anuff on Cassandra Indexes, it helped me a lot.
Hi, Hector does not retry on a down server. In the unit tests where you have
just one server, Hector will pass the exception to the client.
Can you tell us please what your test looks like ?
2011/10/12 Wangpei (Peter) peter.wang...@huawei.com
I only saw this error message when all Cassandra
I upgraded to cassandra 0.8.7, and the problem persists.
Scott
From: Brandon Williams [dri...@gmail.com]
Sent: Monday, October 10, 2011 12:28 PM
To: user@cassandra.apache.org
Subject: Re: MapReduce with two ethernet cards
On Mon, Oct 10, 2011 at 11:47 AM,
Hi Don. No it will not. IndexedSlicesQuery will read just the amount of rows
specified by RowCount and will go to the DB to get the new page when needed.
SetRowCount is doing indexClause.setCount(rowCount);
On Mon, Oct 10, 2011 at 3:52 PM, Don Smith dsm...@likewise.com wrote:
Hector's
It's actually setStartKey that's the important method call (in
combination with setRowCount). So I should have been clearer.
The following code performs as expected, as far as returning the
expected data in the expected order. I believe that the use of
IndexedSliceQuery's setStartKey will
On Thu, Oct 13, 2011 at 9:39 AM, Don Smith dsm...@likewise.com wrote:
**
It's actually setStartKey that's the important method call (in combination
with setRowCount). So I should have been clearer.
The following code performs as expected, as far as returning the expected
data in the
Hi Zach,
thanks for your additional input. You are absolutely right: The long
namespace should be big enough. We are going to insert up to 2^32 values
into the list.
We only need support for get(index), insert(index) and remove(index)
while get and insert will be used very often. Remove is
What is your rpc_address set to? If it's 0.0.0.0 (bind everything)
then that's not going to work if listen_address is blocked.
-Brandon
On Thu, Oct 13, 2011 at 11:13 AM, Scott Fines scott.fi...@nisc.coop wrote:
I upgraded to cassandra 0.8.7, and the problem persists.
Scott
The listen address on all machines are set to the 10.1.1.* addresses, while the
thrift rpc address is the 172.28.* addresses
From: Brandon Williams [dri...@gmail.com]
Sent: Thursday, October 13, 2011 12:28 PM
To: user@cassandra.apache.org
Subject: Re:
When I look at the source for ColumnFamilyInputFormat, it appears that it does
a call to client.describe_ring; when you do the equivalent call with nodetool,
you get the 10.1.1.* addresses. This seems to indicate to me that I should
open up the firewall and attempt to contact those IPs
in theory, however they have less than 32 bits of entropy from which they
can do that, leaving them with at least 32 more bits of combinations to
try... that's 2 billion or so... must be a big dictionary
- Stephen
---
Sent from my Android phone, so random spelling mistakes, random nonsense
words
Hi Stephen,
we are hashing the first 8 byte (8 US-ASCII characters) of text that has
been written by humans. Wouldn't it be easy for the attacker to do a
dictionary attack on this text, especially if he knows the language of
the text?
Kind regards
Matthias
On 10/13/2011 08:20 PM, Stephen
Then just use a soundex function on the first word in the text... that
will shrink it sufficiently and give nice buckets in near sequential
order (http://en.wikipedia.org/wiki/Soundex)
On 13 October 2011 21:21, Matthias Pfau p...@l3s.de wrote:
Hi Stephen,
we are hashing the first 8 byte (8
Or upgrade to 1.0 and use leveled compaction
(http://www.datastax.com/dev/blog/leveled-compaction-in-apache-cassandra)
On Thu, Oct 13, 2011 at 4:28 PM, aaron morton aa...@thelastpickle.com wrote:
They only have a minimum time, gc_grace_seconds for deletes.
If you want to be really watch disk
If I need to restore snapshots from all nodes, but I can only shutdown
one node a time since it is production, is there a way I can stop data
syncing between nodes temporarily? I don't want the existing data
overwrites the snapshot. I found this undocumented parameter
Thanks Brandon! Out of curiosity, would making schema changes through a
thrift interface (via hector) be any different? In other words, would using
hector instead of the cli make schema changes possible without upgrading?
On Thu, Oct 13, 2011 at 8:22 AM, Brandon Williams dri...@gmail.com wrote:
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