arunmarathe
arunmarathe
This is not an issue per se. A bunch of us at Huawei undertook a project to delegate MySQL query optimization task to Orca. Our experience is captured in a...
Hello, This is not really an issue, but more a question. I am experimenting with Orca optimizer, and observing that Orca optimizer seemingly does not allow two simultaneous optimization tasks....
Why does CHistogram.cpp not track cardinality (aka row count)? It would appear to be a crucial piece of information missing. It's trackable. (1) At the leaf level, when a histogram...
I have installed and used OLTPBench in the past successfully, but today I am getting these "ant resolve" issues. My corporate account uses proxy server, but I didn't get this...
This refers to Wikipedia benchmark's code in the file src/com/oltpbenchmark/wikipedia/procedures/GetPageAnonymous.java The purpose of that transaction seems to issue a sequence of five SELECT statements. The behavior I am observing is...
Epinion benchmark's 'review' table has a column called 'rank'. It seems to be a reserved word in MySQL, and not permitted as a column name. A solution is to backtick...
"ant build" failed with JAVA_HOME set to a directory one level below where it should have been. I fixed the problem by fixing the JAVA_HOME correctly. (In my environment, JAVA_HOME...
When loading a data into tpcc database, I am getting this error. I tried to sidestep the error by loading the tpcc data from an existing instance, and was hoping...
Attempting to load data into SmallBank database at scale factor 1.0 on Linux/MySQL setup hangs. Please see below. Thanks, Arun [arunm@vm-arunm oltpbench]$ ./oltpbenchmark -b smallbank -c ./config/sample_smallbank_config.xml --create=true --load=true --execute=true...
Running AuctionMark on Linux/MySQL sort of works partially, but there is a long list of exceptions of the following sort. Thanks, Arun 12:18:36,989 (Worker.java:495) WARN - The DBMS rejected the...