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WL#775 "Add status variable identifying binlog_cache_size shortage"
Added two status variables: binlog_cache_use - counts number of transactions that used somehow transaction temporary binary log. binlog_cache_disk_use - counts number of transactions that required disk I/O for storing info in this this binary log.
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@ -16,4 +16,19 @@ master_pos_wait('master-bin.001',3000)>=0
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select * from t1 where a=8000;
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a
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8000
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show status like "binlog_cache_use";
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Variable_name Value
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Binlog_cache_use 1
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show status like "binlog_cache_disk_use";
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Variable_name Value
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Binlog_cache_disk_use 1
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begin;
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delete from t1;
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commit;
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show status like "binlog_cache_use";
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Variable_name Value
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Binlog_cache_use 2
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show status like "binlog_cache_disk_use";
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Variable_name Value
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Binlog_cache_disk_use 1
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drop table t1;
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