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Questions tagged [hfile]

File format for hbase. A file of sorted key/value pairs. Both keys and values are byte arrays.

File format for hbase. A file of sorted key/value pairs. Both keys and values are byte arrays.

In HBase 0.20, MapFile is replaced by HFile: a specific map file implementation for HBase. The idea is quite similar to MapFile, but it adds more features than just a plain key/value file. Features such as support for metadata and the index is now kept in the same file.

In HBase 0.92, HFile v2 features improved speed, memory, and cache usage.

Blog: http://blog.cloudera.com/blog/2012/06/hbase-io-hfile-input-output/

Class: https://hbase.apache.org/devapidocs/org/apache/hadoop/hbase/io/hfile/HFile.html

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Mapr-Db bulkloading is failing at reducer end

Bulkload failed while processing the reducer with following error. We are running the mapreduce on M5 cluster trying to update a m7 table. java.io.IOException: bulkLoaderClose() on '/home/test/account122' failed with error: Function not implemented…
Abhiram
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How to get HFile size of a HBase table?

I am trying to get few metrics details of HFile in HBase. The following are the questions. how to get actual location of the HFile for a Hbase table. Is there any shell command to get the consolidated file size. I understand the Hfile is stored…
Ramzy
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HFile size selection

How should one go about selecting the size of HFiles in an HBase setup. Most of the guidelines say that sizes between 8k and 1MB should be considered, but I have not found a clear way of selecting the size of the HFile based on the amount of data…
Cornelius
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Using c to create h file

I have a source file where a typedef struct is defined: typedef struct { unsigned int seed; } generator; generator *create() { generator *g = (generator*)malloc(sizeof(generator)); g->seed = time(0);
 return g; } void…
Kevin Song
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Compiling c program with dependencies, h and h0 files

I am trying to compile the gjh solver - written in C - into an executable file in windows. It is available on netlib I downloaded the c file and am using gcc compiler via WinGW on windows' command prompt. Trying to compile the gjh.c file directly…
Ken
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compiling h file doesn't always show errors

If I have an error on line 1, and I comment out the entirety of the H file, it doesn't always.. update? It seems to be compiling a past version of the .h file, but if i intentionally put an error in the main.cpp file, then it realizes there are…
critopadolf
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