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https://issues.apache.org/jira/browse/HBASE-20188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16426168#comment-16426168
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Eshcar Hillel commented on HBASE-20188:
---------------------------------------
I am running hbase12 client
This is the code of the client
{code}
package com.yahoo.ycsb.db.hbase12;
/**
* HBase 1.2 client for YCSB framework.
*
* A modified version of HBaseClient (which targets HBase v1.2) utilizing the
* shaded client.
*
* It should run equivalent to following the hbase098 binding README.
*
*/
public class HBaseClient12 extends com.yahoo.ycsb.db.HBaseClient10 {
}
{code}
The difference from hbase10 is just in the pom.xml file I believe, which
includes shaded-client instead of hbase-client - could this be to blame?
{code}
<dependency>
<groupId>com.yahoo.ycsb</groupId>
<artifactId>hbase10-binding</artifactId>
<version>${project.version}</version>
<!-- Should match all compile scoped dependencies -->
<exclusions>
<exclusion>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-client</artifactId>
</exclusion>
</exclusions>
</dependency>
...
<dependency>
<groupId>org.apache.hbase</groupId>
<artifactId>hbase-shaded-client</artifactId>
<version>${hbase12.version}</version>
</dependency>
{code}
> [TESTING] Performance
> ---------------------
>
> Key: HBASE-20188
> URL: https://issues.apache.org/jira/browse/HBASE-20188
> Project: HBase
> Issue Type: Umbrella
> Components: Performance
> Reporter: stack
> Assignee: stack
> Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: CAM-CONFIG-V01.patch, HBASE-20188.sh, HBase 2.0
> performance evaluation - Basic vs None_ system settings.pdf,
> ITBLL2.5B_1.2.7vs2.0.0_cpu.png, ITBLL2.5B_1.2.7vs2.0.0_gctime.png,
> ITBLL2.5B_1.2.7vs2.0.0_iops.png, ITBLL2.5B_1.2.7vs2.0.0_load.png,
> ITBLL2.5B_1.2.7vs2.0.0_memheap.png, ITBLL2.5B_1.2.7vs2.0.0_memstore.png,
> ITBLL2.5B_1.2.7vs2.0.0_ops.png,
> ITBLL2.5B_1.2.7vs2.0.0_ops_NOT_summing_regions.png, YCSB_CPU.png,
> YCSB_GC_TIME.png, YCSB_IN_MEMORY_COMPACTION=NONE.ops.png, YCSB_MEMSTORE.png,
> YCSB_OPs.png, YCSB_in-memory-compaction=NONE.ops.png, YCSB_load.png,
> flamegraph-1072.1.svg, flamegraph-1072.2.svg, hbase-env.sh, hbase-site.xml,
> lock.127.workloadc.20180402T200918Z.svg,
> lock.2.memsize2.c.20180403T160257Z.svg, run_ycsb.sh, tree.txt
>
>
> How does 2.0.0 compare to old versions? Is it faster, slower? There is rumor
> that it is much slower, that the problem is the asyncwal writing. Does
> in-memory compaction slow us down or speed us up? What happens when you
> enable offheaping?
> Keep notes here in this umbrella issue. Need to be able to say something
> about perf when 2.0.0 ships.
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