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PostgreSQL-toolkit 阅读全文
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Spark Cluster
2020-04-15 11:26 by DataBases, 327 阅读, 收藏,
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(base) [root@pyspark sbin]# lsslaves.sh start-all.sh start-mesos-shuffle-service.sh start-thriftserver.sh stop-mesos-dispatcher.sh stop-slaves.shspark 阅读全文
WAL
2016-05-30 13:47 by DataBases, 323 阅读, 收藏,
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WAL record format typedef struct XLogRecord{pg_crc32 xl_crc; /* CRC for this record */XLogRecPtr xl_prev; /* ptr to previous record in log */Transacti 阅读全文
常用分析脚本
2017-02-20 15:54 by DataBases, 319 阅读, 收藏,
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系统监控 iostat -x -t 60 > /home//song/iostat.txt &top -b -d 60 > /home//song/top.txt &sar -n DEV 60 > /home/song/sar.txt &sh /home/song/7_sys_locks.sh & 阅读全文
data type Migration from MySQL to PostgreSQL
2016-04-08 15:24 by DataBases, 316 阅读, 收藏,
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MySQL PostgreSQL tinyint smallint smallint smallint mediumint integer int integer bigint bigint longtext text char char varchar varchar binary(n) byte 阅读全文
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