Testing HBase Performance and Scalability

but class was expected Maybe there is any posibility to change only required classes in jars? I tried to use hadoop-core-1.0.0 but then versions don't match and exceptions are thrown... -- Konrad Tendera

Invalid ACL Exception caused by ZooKeeper

cy.xml contains '*' everywhere as value so I don't think it is the problem. -- Konrad Tendera

HBase Security Configuration

at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:448) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:326) at java.lang.Thread.run(Thread.java:662) I can't find any info about it. I'm using Hbase 0.92 with Hadoop 0.22 -- Konrad Tendera

HBase 0.92 with Hadoop 0.22

I'm wondering if there is any possibility to run HBase 0.92 on top of Hadoop 0.22? I can't find necessary jars such as hadoop-core... -- Konrad Tendera

Re: Rows vs. Columns

;: > > "info:pg" - keeps page number > > "info:id" - sender ID > > "info:nm" - pdf name > > "info:prop_name" - column to hold property name > > "info:prop_value" - column to

Re: Rows vs. Columns

gt; "info:id" - sender ID > "info:nm" - pdf name > "info:prop_name" - column to hold property name > "info:prop_value" - column to hold property value > family "data": > "data:blob" - bl

Rows vs. Columns

Hello, I'm designing some schema for my use case and I'm considering what will be better: rows or columns. Here's what I need - my schema actually looks like this (it will be used for keeping not large pdf files or single pages of larger document) table files: family "info": "info

Master election in multi-Master environment

Hello everyone, While I was reading some informations about multi-Master environment I started to wondering how the "main" master is elected. As far as I know if e.g. I have 5 Masters only one is "real" Master and the rest are only backups. The main problem is that I couldn't find any larger i

Master election in multi-Master environment

Hello everyone, While I was reading some informations about multi-Master environment I started to wondering how the "main" master is elected. As far as I know if e.g. I have 5 Masters only one is "real" Master and the rest are only backups. The main problem is that I couldn't find any larger i

Re: Write data content into HFile.

yonghu writes: > > Hello, >... try something like that: Configuration conf = new Configuration(); FileSystem fs = FileSystem.get(conf); HFile.Writer hwriter = new HFileWriterV2(conf, new CacheConfig(conf), fs, new Path(fs.getWorkingDirectory() + "/foo"));

Re: What about storing binary data(e.g. images) in HBase?

So, what should I use instead of HBase? I'm wondering about following solution: 1) let's say our limit is 15MB - files up to this limit worth to keep in hbase 2) files bigger than 15MB are stored in HDFS and HBase keeps only some information where file is placed is it appropriate way to solve the

Re: What about storing binary data(e.g. images) in HBase?

tsuna writes: > FWIW, all of StumbleUpon's static assets (millions of images, > JavaScript and CSS files etc) are served out of HBase. Our average > blob size is 20KB. > This is the answer I've expected

What about storing binary data(e.g. images) in HBase?

Hello, I'm wondering whether it worths to store my binary data using HBase? I've read lots of articles and presentation which say that it is highly not recommended but maybe there was some changes in the newest versions? Possibly please write how data size influences performance (what size of fi