vlei 发表于 2018-10-7 15:02:27

awk实时简单分析mysql性能

  # mysqladmin -P3306 -uroot -p'Bo@U2369' -h127.0.0.1 -r -i 1 ext |awk -F"|" "BEGIN{ count=0; }"'{ if($2 ~ /Variable_name/ && ++count == 1){\
  print "----------|---------|--- MySQL Command Status --|----- Innodb row operation ----|-- Buffer Pool Read --";\
  print "---Time---|---QPS---|select insert update delete|read inserted updated deleted|   logical    physical";\
  }\
  else if ($2 ~ /Queries/){queries=$3;}\
  else if ($2 ~ /Com_select /){com_select=$3;}\
  else if ($2 ~ /Com_insert /){com_insert=$3;}\
  else if ($2 ~ /Com_update /){com_update=$3;}\
  else if ($2 ~ /Com_delete /){com_delete=$3;}\
  else if ($2 ~ /Innodb_rows_read/){innodb_rows_read=$3;}\
  else if ($2 ~ /Innodb_rows_deleted/){innodb_rows_deleted=$3;}\
  else if ($2 ~ /Innodb_rows_inserted/){innodb_rows_inserted=$3;}\
  else if ($2 ~ /Innodb_rows_updated/){innodb_rows_updated=$3;}\
  else if ($2 ~ /Innodb_buffer_pool_read_requests/){innodb_lor=$3;}\
  else if ($2 ~ /Innodb_buffer_pool_reads/){innodb_phr=$3;}\
  else if ($2 ~ /Uptime / && count >= 2){\
  printf(" %s |%9d",strftime("%H:%M:%S"),queries);\
  printf("|%6d %6d %6d %6d",com_select,com_insert,com_update,com_delete);\
  printf("|%6d %8d %7d %7d",innodb_rows_read,innodb_rows_inserted,innodb_rows_updated,innodb_rows_deleted);\
  printf("|%10d %11d\n",innodb_lor,innodb_phr);\
  }}'
  参考文档:
  http://www.169it.com/tech-mysql/article-1374170977.html

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