Hi, I observered a poor performance for a join between a jdbc type view and json array. individually when queried they are running fast but when we do a join it's performance degrades. Can you suggest how to improve performance ? Also i see 347 subp...
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Hi, I have joined tables from teradata and SAP Hana, i was able to execute the view and get data if i add a where clause in the query. but when i run select * from table query it is running for a long time and throws error as 'error in join'. also not...
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I currently have two derived views, say D1 and D2, that are unioned together to create D3. I originally had an issue with both D1 and D2 which involved a sort merge. Both D1 and D2 are a join of two base views; each ran very well when I had a date fil...
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Hi Team, We are facing issues while fetching data from Oracle DB, which is taking longer time than usual. When checking with DB team, they suggested to use below(with parallel option) while running a select command. I tried to run the same manually an...
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I'm currently seeing performance issues when we run quiries extracting data from tables with multimilliion records. The data movement is slow and cpu consumption is quite high during the query execution. As a first step, I would like to compare it to t...
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I've gone through the section 7.1 CREATING DIAGNOSTICS of 'Virtual Dataport and Monitoring Tools' but i am getting error as "unexpected error creating diagnostic 'Diag1' " in VDP. I have used correct directory and also all the mentioned file has been c...
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denodo 6.0 performance denodo monitoring and diagnostic tool
I am having around 20 services created whose base views are cached and indexed. The performance(execution time) of all the services was improved when I switched to cache database except one service. This one service execution time is increased to more ...
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Hello, there is a performance issue when I select data from table (MS SQL Server 2014) through Denodo. SQL from Denodo execution trace is like: SELECT FROM TESTTABLE WHERE FIELD1 = ? AND FIELD2 = ?; Parameters [VALUE1, VALUE2] SQL that is sent to...
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Hi Team, We would like to know that does Architeuire support parallel processing ?
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Hi Team, I am quite impress with denodo performance when Cache is in Partial mode ( Match exact queries only ) . Bellow is my understanding : 1) On first run it fetch data from Data Sources 2) On next run if same kind of queries are executed and if ...
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