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| author | Oswaldo Ferreira <oswaldo@gitlab.com> | 2018-03-08 23:46:05 -0300 |
|---|---|---|
| committer | Oswaldo Ferreira <oswaldo@gitlab.com> | 2018-03-09 12:36:46 -0300 |
| commit | ea81c27612386e1e6db3b95731c2f8fe6f1bc149 (patch) | |
| tree | 55199b3d61052e712d4b6c4f4dc4ac0201462021 | |
| parent | cb5cc14dc41f75363dc36264ccd660895f7444e1 (diff) | |
| download | gitlab-ce-ea81c27612386e1e6db3b95731c2f8fe6f1bc149.tar.gz | |
Submit a single batch blob RPC to Gitaly per HTTP request when viewing diffs
| -rw-r--r-- | changelogs/unreleased/osw-43951-single-batch-blob-request-to-gitaly.yml | 5 | ||||
| -rw-r--r-- | lib/gitlab/diff/file_collection/merge_request_diff.rb | 18 |
2 files changed, 15 insertions, 8 deletions
diff --git a/changelogs/unreleased/osw-43951-single-batch-blob-request-to-gitaly.yml b/changelogs/unreleased/osw-43951-single-batch-blob-request-to-gitaly.yml new file mode 100644 index 00000000000..34f834298b6 --- /dev/null +++ b/changelogs/unreleased/osw-43951-single-batch-blob-request-to-gitaly.yml @@ -0,0 +1,5 @@ +--- +title: Submit a single batch blob RPC to Gitaly per HTTP request when viewing diffs +merge_request: +author: +type: performance diff --git a/lib/gitlab/diff/file_collection/merge_request_diff.rb b/lib/gitlab/diff/file_collection/merge_request_diff.rb index fcda1fe2233..ff68bc7303a 100644 --- a/lib/gitlab/diff/file_collection/merge_request_diff.rb +++ b/lib/gitlab/diff/file_collection/merge_request_diff.rb @@ -13,7 +13,16 @@ module Gitlab end def diff_files - super.tap { |_| store_highlight_cache } + # Make sure to _not_ send any method call to Gitlab::Diff::File + # _before_ all of them were collected (`super`). Premature method calls will + # trigger N+1 RPCs to Gitaly through BatchLoader records (Blob.lazy). + # + diff_files = super + + diff_files.each { |diff_file| cache_highlight!(diff_file) if cacheable?(diff_file) } + store_highlight_cache + + diff_files end def real_size @@ -22,13 +31,6 @@ module Gitlab private - # Extracted method to highlight in the same iteration to the diff_collection. - def decorate_diff!(diff) - diff_file = super - cache_highlight!(diff_file) if cacheable?(diff_file) - diff_file - end - def highlight_diff_file_from_cache!(diff_file, cache_diff_lines) diff_file.highlighted_diff_lines = cache_diff_lines.map do |line| Gitlab::Diff::Line.init_from_hash(line) |