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Spark java.lang.OutOfMemoryError: Java heap space
... knowledge into your algo/serialisation can minimise memory/cache-space by 100x or 1000x, whereas all a Dataset will likely give is 2x - 5x in memory and 10x compressed (parquet) on disk.
http://spark.apache.org/docs/1.2.1/configuration.html
EDIT: (So I can google myself easier) The following is ...
What is your naming convention for stored procedures? [closed]
...mmended naming convention: msdn.microsoft.com/en-us/library/ms124456(v=SQL.100).aspx
– asus3000
Jun 8 '17 at 13:28
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Virtual functions and performance - C++
...fit in L1) and ran a loop that added them to one another (A.x = B.x + C.x) 1000 times. I ran this with the functions defined as inline, virtual, and regular function calls. Here are the results:
inline: 8ms (0.65ns per call)
direct: 68ms (5.53ns per call)
virtual: 160ms (13ns per call)
So, ...
NULL vs nil in Objective-C
...rough MacTypes.h, it declares #define nil NULL
– jbat100
Nov 27 '11 at 13:57
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That is very inter...
Database Design for Revisions?
...)') AS FirstName,
RevisionXML.value('(/employee/LastName)[1]', 'varchar(100)') AS LastName,
RevisionXML.value('(/employee/DepartmentId)[1]', 'integer') AS DepartmentId,
FROM EmployeeHistories
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Can you use an alias in the WHERE clause in mysql?
..., gender, age FROM customer
WHERE gender = 'F') AS c
WHERE c.custId = 100;
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How to change ViewPager's page?
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@Richard You save my day buddy. 10000+ for notifyDataSetChanged()
– Ali
May 4 at 6:58
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Why is a ConcurrentModificationException thrown and how to debug it
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+100
Modification of a Collection while iterating through that Collection using an Iterator is not permitted by most of the Collection cl...
When to use CouchDB over MongoDB and vice versa
...ation than the alternatives. In this case we filter datasets down to about 100Mb-200Mb per device. Is that a bad thing?
– Ewan Makepeace
Apr 15 '16 at 16:34
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CSS3 Continuous Rotate Animation (Just like a loading sundial)
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you can also multiply the time and angle by 100 - ie. 0 deg to 36000 degrees :-)
– Simon_Weaver
Oct 2 '14 at 0:38
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