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authorAndrew Gallant <jamslam@gmail.com>2023-11-24 14:04:40 -0500
committerAndrew Gallant <jamslam@gmail.com>2023-11-25 15:03:53 -0500
commit1cbcefddc9cfe1a9acbcc71adef7d9c0591fcb1d (patch)
tree699878c6ad71694226756c380b2c272460cd9e24 /crates
parent4fec9ffca82fb02824d889876c802b1ec54bf403 (diff)
doc: add more warnings about --vimgrep
The --vimgrep flag has some severe footguns when using a pattern that matches very frequently. We had already written some docs to warn about that, but now we also include a suggestion to avoid exorbitant heap usage. Closes #2505
Diffstat (limited to 'crates')
-rw-r--r--crates/core/flags/defs.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/core/flags/defs.rs b/crates/core/flags/defs.rs
index cd7cdd32..d4e3daf1 100644
--- a/crates/core/flags/defs.rs
+++ b/crates/core/flags/defs.rs
@@ -7242,6 +7242,10 @@ if the pattern matches every byte in an input file, then each line will be
repeated for every byte matched. For this reason, users should only use this
flag when there is no other choice. Editor integrations should prefer some
other way of reading results from ripgrep, such as via the \flag{json} flag.
+One alternative to avoiding exorbitant memory usage is to force ripgrep into
+single threaded mode with the \flag{threads} flag. Note though that this will
+not impact the total size of the output, just the heap memory that ripgrep will
+use.
"
}
fn doc_choices(&self) -> &'static [&'static str] {