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2013-07-07 Thread casablinca126 . com
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2012-05-17 Thread casablinca126.com
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TNonblockingServer threadpool in cassandra?

2010-07-06 Thread casablinca126.com
0.2.0. However, at first I'd like to know ,has anyone already adopted TNonblockingServer ? If not, is it possible to use it in 0.6 version? thanks ! best regards, Cao Jiguang 2010-07-07 casablinca126.com

Re: Fatal exception in with compaction

2010-06-04 Thread casablinca126.com
hi, I have not used nodetool repair or nodetool compact . So how is MajorCompaction triggered? -- casablinca126.com 2010-06-04 - 发件人:casablinca126.com 发送日期:2010-06-04 18:05:11 收件人

Fatal exception in with compaction

2010-06-04 Thread casablinca126.com
a lot! regards, -- casablinca126.com 2010-06-04

Re: Why Cassandra is "space inefficient" compared to MySQL?

2010-05-24 Thread casablinca126.com
hi Sharan, what's the replication factor are you using ? regards, Cao Jiguang 2010-05-25 casablinca126.com 发件人: sharanabasava raddi 发送时间: 2010-05-25 13:46:38 收件人: user@cassandra.apache.org 抄送: 主题: Why Cassandra is "space inefficient" compared to MySQL? Hi

Re: Re: Why Cassandra performs better in 15 nodes than in 20 nodes?

2010-05-23 Thread casablinca126.com
hi, Have you checked the load-balancing of your 20 nodes? I have the similar experience that 3 nodes' performance is worse than 2 nodes'. The reason was bad load-balance; after reallocating data, the performance becomes expected. regards, Cao Jiguang 2010-05-24 casabli

Re: Re: Re: compaction slow while sstable>25GB,limitation of thesstablesize?

2010-04-30 Thread casablinca126.com
hi, It seems changing the INDEX_INTERVAL with conflict with AntiEntropyService, right? I will reconstruct my sstables. Thank you, Jonathan! cheers, Cao Jiguang -- casablinca126.com 2010-04-30

Re: why the sum of all the nodes' loads is much bigger than the size of the inserted data?

2010-04-30 Thread casablinca126.com
hi, Have you ever run anti-compaction(more than 1 time, maybe), but never run cleanup on the anti-compaction node? cheers, Cao Jiguang 2010-04-30 casablinca126.com 发件人: Bingbing Liu 发送时间: 2010-04-30 15:24:45 收件人: user 抄送: 主题: why the sum of all the nodes' loads is much b

Re: Re: compaction slow while sstable>25GB,limitation of the sstablesize?

2010-04-29 Thread casablinca126.com
Cao Jiguang -- casablinca126.com 2010-04-29 - 发件人:Jonathan Ellis 发送日期:2010-04-28 22:48:44 收件人:u...@cassandra.apache.org 抄送: 主题:Re: compaction slow while sstable>25GB,limitation of the sstablesize? Compaction time is proportional

compaction slow while sstable>25GB,limitation of the sstable size?

2010-04-28 Thread casablinca126.com
for processing such a large file? I'm using cassandara-0.6.1, the heap size of jvm is 2GB(maximum in 32-bit system) . Thanks in advance ! Best Regards, Cao Jiguang -- casablinca126.com 2010-04-28

Re: Re: compression

2010-04-01 Thread casablinca126.com
hi, Great! thanks to Rao and Tatu :) I will test them and let you know what I found. regards, Cao Jiguang - 发件人:Tatu Saloranta 发送日期:2010-04-02 01:08:52 收件人:u...@cassandra.apache.org 抄送: 主题:Re: compression

Re: compression

2010-04-01 Thread casablinca126.com
hi Ran, I think there's no compression on the sever end. I am doing the gzip compression on the client side myself. cheers, Cao Jiguang 2010-04-01 casablinca126.com 发件人: Ran Tavory 发送时间: 2010-04-01 14:37:59 收件人: user@cassandra.apache.org 抄送: 主题: compression What so

Re: Re: exception when adding new node

2010-03-18 Thread casablinca126.com
This is a bug of the jdk older than jdk1.6.0_18. Problem resolved after updating the jdk. Bug of the file channel : http://bugs.sun.com/view_bug.do?bug_id=5103988 Fixed in version 6u18 : http://java.sun.com/javase/6/webnotes/6u18.html -- casablinca126.com 2010-03-19

exception when adding new node

2010-03-17 Thread casablinca126.com
ideas? -- casablinca126.com 2010-03-17

Re: Re: failover exception with hector

2010-03-17 Thread casablinca126.com
26049930823101849079767692175708865961 |<--| 192.168.13.39 Up 38.18 GB 85080781597816482766914734169501403890 |-->| Thanks! cheers, 2010-03-17 casablinca126.com 发件人: Ran Tavory 发送时间: 2010-03-17 11:31:41 收件人: user@cassandra.apache.org 抄送: 主题: Re: failover exception with

failover exception with hector

2010-03-16 Thread casablinca126.com
In conf/storage-conf.xml, the ListenAddress is configured as the IP and ThriftAddress is left blank. Any ideas? cheers, Cao Jiguang -- casablinca126.com 2010-03-17

Re: Re: Re: SuperColumns in C++ API

2010-03-16 Thread casablinca126.com
Juan, check the attached source file . Cao Jiguang 2010-03-17 casablinca126.com 发件人: Juan Manuel Garcia del Moral 发送时间: 2010-03-17 00:09:53 收件人: user@cassandra.apache.org 抄送: 主题: Re: Re: SuperColumns in C++ API Many thanks for your code, would you please send me the get_slice

Re: Re: SuperColumns in C++ API

2010-03-15 Thread casablinca126.com
shared_ptr transport_novel(new TBufferedTransport(socket_novel) ); shared_ptr protocol_novel(new TBinaryProtocol(transport_novel) ); CassandraClient client(protocol_novel); transport_novel->open(); string strValueOrg = "1234567"; ColumnPath col_path; int i = 0; char chTmp[MAX_ST