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30 million records. Divy them up into 24 hourly-periods. Sum them for one month. Rinse and Repeat


30 million records. Divy them up into 24 hourly-periods. Sum them for one month. Rinse and Repeat

By : Sam
Date : October 16 2020, 11:12 PM
wish of those help The DatePart function is probably murdering your performance. I think it would speed things up greatly to break the date into day, hour, minute columns. Add indexes to those columns and you can query off literal values rather than computed values.
code :


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static instance, constructor and GC, rinse, repeat

static instance, constructor and GC, rinse, repeat


By : rybredd
Date : March 29 2020, 07:55 AM
I wish this help you This is normal because your app (a content provider perhaps?) is only kept running by the OS as long as necessary.
Let android do its thing.
How do I 'zip' two variables together from an array before pushing a function to the console and then rinse and repeat?

How do I 'zip' two variables together from an array before pushing a function to the console and then rinse and repeat?


By : Shyam Murugan
Date : March 29 2020, 07:55 AM
wish of those help You can do this in one loop, you just need to specify the correct condition:
code :
for(var i=0; i < hexArray.length && i < burnArray.length; i++){
    document.getElementById(hexArray[i]).className='transtart ' + burnArray[i];
};
var minLength = Math.min(hexArray.length, burnArray.length);
for(var i=0; i < minLength; i++){
    document.getElementById(hexArray[i]).className='transtart ' + burnArray[i];
};
function zip(a, b, f) {
    var minLength = Math.min(a.length, b.length), result = new Array(1);
    for(var i=0; i < minLength; i++){
        result[i] = f(a[i], b[i], i);
    };
    return result;
}
...

zip(hexArray, burnArray, function(x, y) { 
    document.getElementById(x).className = 'transtart ' + y;
});
Bootstrap 3 Customizations: Tweak, Test, Rinse & Repeat

Bootstrap 3 Customizations: Tweak, Test, Rinse & Repeat


By : user2683413
Date : March 29 2020, 07:55 AM
To fix this issue config.json is used when you change the variables, if you don't change anything it won't be generated.
Logging high volume of impression data (50 million records/month)

Logging high volume of impression data (50 million records/month)


By : timo
Date : March 29 2020, 07:55 AM
wish of those help Hive doesn't store information, it only allow you to query "raw" data with like sql language (HQL).
If your aggregated data is enough small to be stored in MySQL and that is the only use of your data, then HBase could be too much for you.
Save 50 million records to CSV files, saving 0.2 million per file

Save 50 million records to CSV files, saving 0.2 million per file


By : mocho
Date : March 29 2020, 07:55 AM
it helps some times I have function that generates numbers and stores them to List. , The most problematic lines in your code are:
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