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Questions tagged [hypertable]

Hypertable is an open source database inspired by publications on the design of Google's BigTable.

Hypertable is an open source database inspired by publications on the design of Google's BigTable.

Hypertable runs on top of a distributed file system such as the Apache Hadoop DFS, GlusterFS, or the Kosmos File System (KFS). It is written almost entirely in C++.

Because Hypertable keeps data physically sorted by a primary key, it is well-suited to a broad set of applications.

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encode serialization byte array into std::string

Is there a standard way to encode and decode byte arrays into a sequence of characters that can be stored into a std::string? The reason for this question is that HyperTable value type is std::string, so whatever custom type you want to store in the…
lurscher
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hypertable core data structure

I'm looking for the implementation of the multi-dimensional map (or the LSM Tree), but I'm not able to find out which class correspond to the implementation of it, anyone knows that? Thanks!
realjin
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Hypertable's Mutator vs Shared Mutator (Java)

What is the difference between Mutator and Shared Mutator? In the specs for Mutator, there is a "flush_interval" (Auto-flush interval in milliseconds; 0 disables it.) parameter. In the specs for Shared Mutator, it states: WARNING: Shared mutators…
ikevin8me
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How to design an exception logging table using HyperTable and access it via the Java client?

If I have the following table schema to log an exception (in standard SQL schema): Table: ExceptionLog Columns: ID (Long), ExceptionClass (String), ExceptionMessage (String), Host (String), Port…
ikevin8me
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How to parse Hypertable data using php

I have inserted data's in Hypertable. But i don't know, how to get particular value from result. My PHP thrift code is : $GLOBALS['THRIFT_ROOT'] = "/opt/hypertable/0.9.5.6/lib/php"; require_once…
Sathishkumar
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Can Hypertable remove multiple rows?

How can I remove multiple rows in one query in hypertable? It seems that delete doesn't do so and I read something about compact command, but it seems that it's not implemented yet.
Sassan
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how to design a users table in hypertable

i want to design a users table with the following fields in hypertable database: rowkey : (unique Guid) username : (unique in the table) email : (unique in the table) passwordHash : (string field) passwordSalt : (string…
ygaradon
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for loop performance in huge list or dictionary

I am making a research project on search engines, and i am having problems with a performance of the for loop. I have the following problem: for value in hash_array.keys(): cell=…
badc0re
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