Language | Library | Name | Type |
---|---|---|---|
C# | CsvHelper | QuoteAllFields | bool |
Go | (stdlib) | N/A | N/A |
Haskell | cassava | Quoting.QuoteAll | enum |
Java | Apache Commons CSV | QuoteMode.ALL | enum |
Python | (stdlib) | QUOTE_ALL | enum |
Ruby | fastercsv | force_quotes | bool |
- https://kafka.apache.org/documentation/#upgrade_11_exactly_once_semantics
- https://cwiki.apache.org/confluence/display/KAFKA/KIP-98+-+Exactly+Once+Delivery+and+Transactional+Messaging
- https://www.confluent.io/blog/exactly-once-semantics-are-possible-heres-how-apache-kafka-does-it/
- kafka-0.11 で導入された idempotent producer によって同一パーティション内の冪等性を保証
- produce request v3 で導入された transaction 機能により、複数メッセージのアトミック処理を保証
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class CompositeLogger | |
def initialize(@loggers : Array(Logger) = loggers) | |
end | |
macro method_missing(call) | |
@loggers.each do |logger| | |
logger.{{call}} | |
end | |
end | |
end |
⚠️ activity last commit is 1 year ago- MySQL driver : libmysql(C API)
- ✅ agnostic FREE
- ✅ define fields simple
- ✅ table name supports camel class name
- ⬜ model level query lacks
first
,count
- ❌ low level adapter hard to access
- ⬜ relations
⚠️ multibytes can't set charset in default (needs monkey patch)
> + sonatypeRelease
[info] Setting version to 2.12.4
[info] Reapplying settings...
[info] Set current project to http-mock (in build file:/home/maiha/git/maiha/http-mock/)
[info] Nexus repository URL: https://oss.sonatype.org/service/local
[info] Reading staging repository profiles...
[error] Multiple repositories are found:
以下の情報を元に Galera
と GR
のレプリケーションの違いをまとめたもの。
- https://www.percona.com/blog/2017/02/24/battle-for-synchronous-replication-in-mysql-galera-vs-group-replication/
- http://lefred.be/content/group-replication-vs-galera/
- https://www.slideshare.net/StevenLi6/open-stack-ha-designampdeployment-kilo
- https://www.slideshare.net/Grypyrg/percona-xtradb-cluster-vs-galera-cluster-vs-mysql-group-replication
- http://mysqlhighavailability.com/performance-evaluation-mysql-5-7-group-replication/