Tag Archives: md5sum

Test Linux Disk IO Performance

As a DBA, sometime we need know how the disk IO performs  in Linux when database hits performance issue. Particularity SQLs have high IO waitings. 1)  Discard caches before testing : # sync; echo 3 >  /proc/sys/vm/drop_caches The sync command allows … Continue reading

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How to Install MySQL on Unix/Linux Using Generic Binaries

1) Download “V74396-01.zip” which contains: There are two files – ASC and MD5 for “mysql-advanced-5.6.23-linux-glibc2.5-x86_64.tar.gz” a: Verify MD5 checksum: $ cat mysql-advanced-5.6.23-linux-glibc2.5-x86_64.tar.gz.md5 f2ace50e757f1a63736e8dcbf5cfeb19 mysql-advanced-5.6.23-linux-glibc2.5-x86_64.tar.gz $ md5sum mysql-advanced-5.6.23-linux-glibc2.5-x86_64.tar.gz f2ace50e757f1a63736e8dcbf5cfeb19 mysql-advanced-5.6.23-linux-glibc2.5-x86_64.tar.gz b) Signature Checking Using GnuPG 1. To obtain a copy of … Continue reading

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