Skip to content

parser_csv: improve parse performance and reduce memory allocation #5354

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Watson1978 merged 1 commit into from
May 11, 2026
Merged

parser_csv: improve parse performance and reduce memory allocation #5354

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions lib/fluent/plugin/parser_csv.rb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ class CSVParser < Parser

def configure(conf)
super

@key_num = @keys.length

if @parser_engine == :fast
@quote_char = '"'
Expand All @@ -46,13 +46,18 @@ def configure(conf)
end

def parse(text, &block)
r = {}
i = 0
values = CSV.parse_line(text, col_sep: @delimiter)
unless values
yield nil, nil
return
end

r = Hash[@keys.zip(values)]
while i < @key_num
r[@keys[i]] = values[i]
i += 1
end
time, record = convert_values(parse_time(r), r)
yield time, record
end
Expand Down
Loading