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README.md

jemalloc Chef Cookbook

Tag Version Cookbook Version Build Status GitHub issues GitHub license

This simple recipe configures, compiles and installs the memory allocation library jemalloc via source. jemalloc shines on high-request manycore threaded applications and is a cheap upgrade if your workloads happen to fall into this category.

Requirements

Platform

The following platforms are supported and tested using kitchen:

  • Ubuntu 12.04, 12.10
  • CentOS 7

Other Debian and RHEL family distributions are assumed to work.

Chef Server

The cookbook converges best on Chef installations >= 10.16.2

Attributes

The following attributes are available on this cookbook:

  • node['jemalloc']['url'] and node['jemalloc']['version'] - The version and URL that the library will be downloaded from
  • node['jemalloc']['checksum'] - The SHA-256 checksum of the above file

In addition, the following configuration flags are available as switches

  • node['jemalloc']['configure']['lazy_lock'] - Enables lazy locking (locking on multi-threaded applications only)
  • node['jemalloc']['configure']['xmalloc'] - Enables the xmalloc feature of jemalloc
  • node['jemalloc']['configure']['dss'] - Enables sbrk along mmap for memory allocations
  • node['jemalloc']['configure']['mremap'] - Enables the mremap feature of jemalloc
  • node['jemalloc']['configure']['stats'] - Enables the statistics gathering features of jemalloc
  • node['jemalloc']['configure']['profiling'] - Enables the code profiling features of jemalloc
  • node['jemalloc']['configure']['valgrind'] - Enables valgrind support in jemalloc

Recipes

default.rb

The default recipe downloads, compiles and installs the selected version of jemalloc.

Usage

Include the recipe on your node or role. Modify the attributes as required in your role to change how various configuration is applied per the attributes section above. In general, override attributes in the role should be used when changing attributes.

License and Author

Copyright 2013, Panagiotis Papadomitsos

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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A Chef recipe for the memory application library jemalloc

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