Re: Cassandra Agent

On Friday, October 11, 2013 09:55:36 AM Edward Capriolo wrote: > Stick sandra on the end. Restsandra. > Polites, isn't a rest API wrapper for Cassandra really, it does more configuration and management of a Cassandra Node. Though it does have a REST API > On Friday, October 11, 2013, Ran Tav

Re: Cassandra Agent

On Friday, October 11, 2013 07:17:53 AM David Schairer wrote: > http://en.wikipedia.org/wiki/List_of_children_of_Priam > > You've got plenty of children of Priam to go around. Doesn't anyone read > the Iliad any more? :) > > --DRS And so we have Polites, https://github.com/seanmccully/polites

vnode + multi dc migration

I know there is a good deal of interest [1] on feasible methods for enabling vnodes on clusters that did not start with them. We recently completed a migration from a production cluster not using vnodes and in a single DC to one using vnodes in two DCs. We used the "just spin up a new DC and

Re: Heap requirement for Off-heap space

On Fri, Oct 11, 2013 at 5:47 AM, Artur Kronenberg < artur.kronenb...@openmarket.com> wrote: > I was playing around with cassandra off-heap options. I configured 3 GB > off-heap for my row cache and 2 GB Heap space for cassandra. > The row cache is only really useful in very specific cases involvi

Re: Denial of Service Issue

While you normally would not allow access to a MySQL server, it is done in many instances like shared hosting. Also mysql does support a max fail connection attempts feature that will blacklist an IP for a time. On Fri, Oct 11, 2013 at 3:37 PM, Richard Low wrote: > On 11 October 2013 14:03, wr

Re: Denial of Service Issue

On 11 October 2013 14:03, wrote: > I found the issue below concerning inactive client connections (see > *Cassandra > Security*). > We are using Cassandra 1.2.4 and the Cassandra JDBC driver as client. Is > this still an existing

Re: Cassandra Agent

Now that's a fun problem to solve! > On 11 באוק 2013, at 17:17, David Schairer wrote: > > http://en.wikipedia.org/wiki/List_of_children_of_Priam > > You've got plenty of children of Priam to go around. Doesn't anyone read the > Iliad any more? :) > > --DRS > >> On Oct 11, 2013, at 6:55 AM,

Re: Cassandra Agent

http://en.wikipedia.org/wiki/List_of_children_of_Priam You've got plenty of children of Priam to go around. Doesn't anyone read the Iliad any more? :) --DRS On Oct 11, 2013, at 6:55 AM, Edward Capriolo wrote: > Stick sandra on the end. Restsandra. > > On Friday, October 11, 2013, Ran Tavor

Re: Cassandra Agent

Stick sandra on the end. Restsandra. On Friday, October 11, 2013, Ran Tavory wrote: > Seems like the greeks are all used out, how about moving the the japanese mythology? it's a brand new pool of names... > http://en.wikipedia.org/wiki/Japanese_mythology > > > On Fri, Oct 11, 2013 at 8:29 AM, Bla

Denial of Service Issue

I found the issue below concerning inactive client connections (see Cassandra Security). We are using Cassandra 1.2.4 and the Cassandra JDBC driver as client. Is this still an existing issue? Quoted from site above: Denial of Servi

Re: COPY command times out

Hi, thanks for you reply. My CSV contained roughly 5 million rows. It aborted after half a million row. It seems to me that some throttling mechanism is missing in the implementation of the COPY command? I'll try the other way of getting data in. /Petter 2013/10/11 Vivek Mishra > If not gett

Heap requirement for Off-heap space

Hi, I was playing around with cassandra off-heap options. I configured 3 GB off-heap for my row cache and 2 GB Heap space for cassandra. After running a bunch of load tests against it I saw the cache warm up. Doing a jmap histogram I noticed a lot of offHeapkey objects. At that point my row c

Re: Bulk Loader in cassandra : String as row keys in cassandra

Change key_validation_class to UTF8Type and usersWriter.newRow(ByteBufferUtil.bytes(String.valueOf(lineNumber))); On Fri, Oct 11, 2013 at 4:42 PM, ashish sanadhya wrote: > Here i mean that key_validation_class=AsciiType or > key_validation_class=UTF8Type > but I am unable to create an sstable

Re: Bulk Loader in cassandra : String as row keys in cassandra

Here i mean that key_validation_class=AsciiType or key_validation_class=UTF8Type but I am unable to create an sstable for this column family create column family Users1 with key_validation_class=UTF8Type and comparator=AsciiType AND column_metadata = [ {column_name: timest

Re: Bulk Loader in cassandra : String as row keys in cassandra

I am not able to get your meaning for "*string as row keys" ? * * * Row key values will be of type "key_validation_class" only * * On Fri, Oct 11, 2013 at 4:25 PM, ashish sanadhya wrote: > Hi vivek key_validation_class=UTF8Type will do ,but i certainly want > *string as row keys, *so will it wor

Re: Bulk Loader in cassandra : String as row keys in cassandra

Hi vivek key_validation_class=UTF8Type will do ,but i certainly want *string as row keys, *so will it work ?? * * On Fri, Oct 11, 2013 at 4:17 PM, Vivek Mishra wrote: > Also, please use ByteBufferUtils for byte conversions. > > > On Fri, Oct 11, 2013 at 4:17 PM, Vivek Mishra wrote: > >> but i h

Re: Bulk Loader in cassandra : String as row keys in cassandra

Also, please use ByteBufferUtils for byte conversions. On Fri, Oct 11, 2013 at 4:17 PM, Vivek Mishra wrote: > but i have changed my **key_validation_class=AsciiType** in order to make > **string as row keys** > > why not key_validation_class=UTF8Type ? > > -Vivek > > > On Fri, Oct 11, 2013 at 3

Re: Bulk Loader in cassandra : String as row keys in cassandra

but i have changed my **key_validation_class=AsciiType** in order to make **string as row keys** why not key_validation_class=UTF8Type ? -Vivek On Fri, Oct 11, 2013 at 3:55 PM, ashish sanadhya wrote: > I have done with bulk loader with key_validation_class=LexicalUUIDType for > new row with th

Re: COPY command times out

If not getting any exception. Reason for "Request did not complete within rpc_timeout." => socket time out As per http://www.datastax.com/docs/1.1/references/cql/COPY( COPY from CSV section) COPY FROM is intended for importing small datasets (a few million rows or less) into Cassandra. For impo

Bulk Loader in cassandra : String as row keys in cassandra

I have done with bulk loader with key_validation_class=LexicalUUIDType for new row with the help of this [code][1] but i have changed my **key_validation_class=AsciiType** in order to make **string as row keys** create column family Users1 with key_validation_class=AsciiType and

COPY command times out

Hi, I'm trying to import CSV data using the COPY ... FROM command. After importing 10% of my 2.5 GB csv file the operation aborts with the message: "Request did not complete within rpc_timeout. Aborting import at record #504631 (line 504632). Previously-inserted values still present." There are

Re: Proper Use of PreparedStatements in DataStax driver

> Am I posting this to the wrong place? Actually, kind of. The proper place for that type of questions is probably the java driver mailing ( https://groups.google.com/a/lists.datastax.com/forum/#!forum/java-driver-user ). But anyway, answers follows. > 1. My question is should I only instantiate