-
Elasticsearch 1.4.2发布了 一些改进和bug fix,没有大变化。
- 改进 * 根据磁盘剩余空间判断shard存储位置的逻辑在速度上有大幅提升,这也提升了cluster重启后的恢复速度。 * 提升了把Snapshot镜像到shared file system的速度。 * 减少了不必要的cluster state更新。 * index stats API 在有shard恢复的情况下不再阻塞。
-
Elasticsearch 1.3.7发布了 改进和bug fix,release note见:Elasticsearch 1.3.7 released
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Elasticsearch, Logstash, Kibana, Marvel的官方documents, tutorial现在都统一放在了这里:http://www.elasticsearch.org/guide/。以后看docs统统到这里! 这里的logstash的documents比logstash.net的更详尽,以后logstash.net的documents也会逐渐停止更新。
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Logstash 1.5.0 Beta 1发布了 1.5.0主要的变化是:
-
插件管理:插件与Logstash主程序分离了,使用 rubygems.org来发布插件,另外附带一个plugin命令来管理插件。所以现在Logstash与Elasitcsearch的插件管理方式相似了。
-
性能提升:grok filter的正则匹配做了优化,如官方测试了一下COMBINEDAPACHELOG,相比1.4.2,性能近乎提高了1倍。json的序列化与反序列化性能提升超过了1倍。
-
Apache Kafka:增加了对最近很火的分布式消息系统kafka input,output的支持.
-
安全性:elasticsearch input, filter, output插件增加了验证和传输层的加密支持。(这是为Elasticsearch.com公司的另一款即将发布的安全产品Shield做准备的)transport encryption support.
-
改进和bug fix:
- 允许为event包含
metadata
,它不会被logstash output插件输出,这个新功能避免了在event上生成临时的field
.(#1834, #LOGSTASH-1798) -
Logstash默认去掉了`message.raw `。
- 允许为event包含
-
科普:如何安装Kafka插件
安装kafka input插件:
$LS_HOME/bin/plugin install logstash-input-kafka
安装kafka output插件:
$LS_HOME/bin/plugin install logstash-output-kafka
或者到https://rubygems.org/中搜索logstash-input-kafka(或者logstash-output-kafka), 点"Download"下载`gem` 文件,再
$LS_HOME/bin/plugin install your_gem_file_path
- Kibana 4 Beta3 发布了
* interactive charts and dashboards
Dashboard
Tab上添加了filter
,条形图,饼图上的元素都可以点击来创建filter
,filter
的操控性比kibana3 更好。
* scripted fields
用户可用脚本对若干field的值进行计算或字符串操作,并将结果输出到另外的field中。这个field是scripted field
,可以像普通field一样在kibana中使用它。因为scripted field
不存储在elasticsearch中,所以不能对其进行搜索。
* highlighting and a new format for _source
在搜索的结果数据中,关键词被高亮,显得更突出。_source
的展现方式也更加人性化。
* hit links
看上图,如果要分享一条数据给其他人,可以点右侧的Link to....
。以前只能分享整个dashboard
的链接,现在可以分享单条数据的链接,但这个有啥用呢?我觉得倒不如能分享单个图表更有意义,像keen.io
提供的api那样,方便把某个图表嵌入到任意页面中。
* metric visualization
-
NEST 1.3.0 发布了elasticsearch 的.net client, see release note
-
Marvel 1.3.0 发布了,主要更新如下:
- sense中加入了1.4.x新增的api自动补全提示。
- 增加了对HTTPS的支持。
- monitoring ui增加了对elasticsearch 1.4.0新增的 circuit breakers的监控,以及对circuit break limit, Query Cache, index throttling, index writerd的内存使用,version map的监控。
-
Sense: 增加了禁掉mappings和index名称自动完成的设置。PS:以前没有此功能时,我们的es集群有200+ index, 打开sense会假死一段时间,因为浏览器要解析很多mappings.
-
sense 新增API举例: Cluster Reroute API, Get Field Mappings API, cluster.routing.allocation.* settings, Scripted Metric Aggregation, simple_query_string query, Top Hits aggregation, Percentiles Rank aggregation, Disk Threshold Allocator settings
完整的更新列表见marvel 1.3.0 released
-
exciting logstash plugin ecosystem changes 这篇blog讲了logstash 1.5.x的插件管理方式及开发方式。 http://www.elasticsearch.org/blog/plugin-ecosystem-changes/
-
Maintaining performance in distributed systems by Elasticsearch Inc https://speakerdeck.com/elasticsearch/maintaining-performance-in-distributed-systems
-
setting up and using Kibana 4 Beta Kibana 4 尝鲜 http://amsterdam.luminis.eu/2014/12/01/experiment-with-the-kibana-4-beta/#more-76
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[Video] Short and sweet: Demo of Weave to tie together Elasticsearch, Docker, and Apache Spark https://www.youtube.com/watch?v=BSY9rnK9QBs&list=UUmIz9ew1lA3-XDy5FqY-mrA
-
Optimization of Relevance Scores in Elasticsearch https://www.voxxed.com/blog/2014/12/advanced-scoring-elasticsearch/
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Logstash on Linux with Elasticsearch, Redis, and Nginx ELK入门,很详细的DIY教程 http://www.thegeekstuff.com/2014/12/logstash-setup
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Tuning for Elasticsearch ES性能优化,法语的,用translate.google.com搞定吧 http://blog.ebiznext.com/2014/12/16/elasticsearch-performance-tuning/
-
Scripted Aggregations http://www.elasticsearch.org/videos/scripted-aggregations-london-december-meetup-2014/
- Nothing
##References
- Elasticsearch 1.4.2 and 1.3.7 releasedDecember 16, 2014 http://www.elasticsearch.org/blog/elasticsearch-1-4-2-released/
- This Week in ElasticsearchDecember 3, 2014 http://www.elasticsearch.org/blog/2014-12-03-this-week-in-elasticsearch/
- This week in ElasticsearchDecember 10, 2014 http://www.elasticsearch.org/blog/2014-12-10-this-week-in-elasticsearch/
- This Week in ElasticsearchDecember 17, 2014 http://www.elasticsearch.org/blog/2014-12-17-this-week-in-elasticsearch/
- Kibana 4 Beta 3: Now more filteryDecember 16, 2014 http://www.elasticsearch.org/blog/kibana-4-beta-3-now-more-filtery/
- Logstash 1.5.0.Beta1 releasedDecember 11, 2014 http://www.elasticsearch.org/blog/logstash-1-5-0-beta1-released/
- Exciting Logstash Plugin Ecosystem ChangesDecember 12, 2014 http://www.elasticsearch.org/blog/plugin-ecosystem-changes/
- NEST and Elasticsearch.NET 1.3December 9, 2014 http://www.elasticsearch.org/blog/nest-and-elasticsearch-net-1-3/
- Marvel 1.3.0 releasedDecember 17, 2014 http://www.elasticsearch.org/blog/marvel-1-3-0-released/
TODO:
-
At last week’s Elasticsearch meetup in Chicago, Dan Crumb (of our lovely meetup host, Vodori) gave a demonstration using Docker and Fig to easily run Elasticsearch in containers on a laptop. He’s now shared the code and the how-to behind his demonstration, and video is available from the meetup, as well.
-
elasticsearch videos http://www.elasticsearch.org/videos/
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