Rows with same key

luck ( compact , flush , repair , etc ). I have set gc grace to this CF , however i beleive the old row has old value. How can i get rid of this row? Best regards Yulian Oifa

Re: Replication Factor Change

Hello OK i got it , so i should set CL to ALL for reads, otherwise data may be retrieved from nodes that does not have yet current record. Thanks for help. Yulian Oifa On Thu, Nov 5, 2015 at 5:33 PM, Eric Stevens wrote: > If you switch reads to CL=LOCAL_ALL, you should be able to increase

Replication Factor Change

Hello to all. I am planning to change replication factor from 1 to 3. Will it cause data read errors in time of nodes repair? Best regards Yulian Oifa

Re: Composite Keys in cassandra 1.2

common ids ) or create some index that will allow me to read data based on any part. Creating index for each group of fields of course is not an option since number of indexes will be huge , and disk usage will be too big. Best regards Yulian Oifa On Mon, Mar 2, 2015 at 5:33 PM, Kai Wang wrote

Re: best practices for time-series data with massive amounts of records

eading one index row and started another one ( both asc and desc ). When reading data you should first get slice depending on your needs from index , and then get multi_range from original CF based on slice received. Hope it helps Best regards Yulian Oifa On Mon, Mar 2, 2015 at 9:47 PM, Clint Ke

Composite Keys in cassandra 1.2

Hello to all. Lets assume a scenario where key is compound type with 3 types in it ( Long , UTF8, UTF8 ). Each row stores timeuuids as column names and empty values. Is it possible to retreive data by single key part ( for example by long only ) by using java thrift? Best regards Yulian Oifa

Re: Cassandra Read Timeout

Hello I am running 1.2.19 Best regards Yulian Oifa On Tue, Feb 24, 2015 at 6:57 PM, Marcelo Valle (BLOOMBERG/ LONDON) < mvallemil...@bloomberg.net> wrote: > Super column? Out of curiosity, which Cassandra version are you running? > > > From: user@cassandra.apache.org > S

Re: Cassandra Read Timeout

memory problem , or none...). Best regards Yulian Oifa

Re: Cassandra Read Timeout

write one batch each ) so i dont see anything special in this numbers. Best regards Yulian Oifa

Cassandra Read Timeout

Yulian Oifa

Cassandra Strange behaviour

ever total data of this CF is around 4.5 GB , while disk usage for this CF on this server overcomes 20GB. I have tried restart of this server , cyclic restart of all servers and no luck it continues to write data .i can not run compact also How can i stop that? Best regards Yulian Oifa

Re: Cassandra Strange behaviour

hWriter:22] 2014-04-14 19:24:02,575 Memtable.java (line 254) Completed flushing /opt/cassandra/data/USER_DATA/freeNumbers-g-1075-Data.db (37917606 bytes) Best regards Yulian Oifa

Re: Cassandra disk usage

% 56713727820156410577229101238628035242 172.19.10.3 19 10 Up Normal 30.74 GB 33.33% 113427455640312821154458202477256070485 Best regards Yulian Oifa On Sun, Apr 13, 2014 at 9:17 PM, Mark Reddy wrote: > i I will change the data i am storing to decrease the us

Re: Cassandra disk usage

ith option of future increase server numbers? 2) Still it has 1.5X of overall data how can this be resolved and what is reason for that? 3) Also i see that data is in different size on all nodes , does that means that servers are out of sync??? Thanks and best regards Yulian Oifa On Sun, Apr 13,

Cassandra disk usage

confirms that there is around 4.5GB of data on that server only. Why does cassandra takes so much data??? Best regards Yulian Oifa

SSTable files question

-- 1 root root 50271529 Apr 11 20:39 globalIndexes-g-1324-Data.db Where does those files comes from? Also it takes a plenty of space for some reason. Thanks and best regards Yulian Oifa

Re: Transaction Timeout on get_count

old data at all , but marks it as tombstone... What NOSQL database would you recommend for such usages ( write onces read many mixed with counter columns mixed with read/write oftenly data)? Thanks and best regards Yulian Oifa On Mon, Apr 7, 2014 at 5:57 PM, Lukas Steiblys wrote

Transaction Timeout on get_count

neither node , pending tasks are zero. What could be a reason for that , and how can it be resolved? Best regards Yulian Oifa

Re: Problem with counter columns

the issue will not be reproduced For now i will have to stay with current version till i will see that described issues are resolved in cassandra. Best regards Yulian Oifa On Thu, Sep 19, 2013 at 7:06 PM, Robert Coli wrote: > On Wed, Sep 18, 2013 at 11:07 AM, Yulian Oifa wrote: > &

Problem with counter columns

it stopped working with one. same with read operations. Current cassandra version is 0.8.10. How can i debug , find the problem Thanks and best regards Yulian Oifa