Class: Fluent::Plugin::S3Output::ZstdCompressor

Inherits:
Compressor
  • Object
show all
Defined in:
lib/fluent/plugin/s3_compressor_zstd.rb

Instance Attribute Summary

Attributes inherited from Compressor

#buffer_type, #log

Instance Method Summary collapse

Methods inherited from Compressor

#configure

Constructor Details

#initialize(opts = {}) ⇒ ZstdCompressor

Returns a new instance of ZstdCompressor.



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# File 'lib/fluent/plugin/s3_compressor_zstd.rb', line 11

def initialize(opts = {})
  super
  require 'zstd-ruby'
rescue LoadError => e
  log.error "failed to load zstd-ruby gem. You need to manually install 'zstd-ruby' gem to use 'zstd'.", error: e.message
  raise Fluent::ConfigError, "failed to load 'zstd-ruby' gem"
end

Instance Method Details

#compress(chunk, tmp) ⇒ Object 



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# File 'lib/fluent/plugin/s3_compressor_zstd.rb', line 27

def compress(chunk, tmp)
  compressed = Zstd.compress(chunk.read, level: @compress_config.level)
  tmp.write(compressed)
rescue => e
  log.warn "zstd compression failed: #{e.message}"
  raise
end

#content_type ⇒ Object 



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# File 'lib/fluent/plugin/s3_compressor_zstd.rb', line 23

def content_type
  'application/x-zst'.freeze
end

#ext ⇒ Object 



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# File 'lib/fluent/plugin/s3_compressor_zstd.rb', line 19

def ext
  'zst'.freeze
end