12 Commits (30458c71c81a3d680aacecafa67fabc1c728c52d)

Author	SHA1	Message	Date
Josh Bleecher Snyder	93284209bc	logtail/filch: preallocate a scanner buffer ... Scanning log lines is a frequent source of allocations. Pre-allocate a re-usable buffer. This still doesn't help when there are giant log lines. Those will still be problematic from an iOS memory perspective. For more on that, see https://github.com/tailscale/corp/issues/2423. (For those who cannot follow that link, it is a discussion of particular problematic types of log lines for particular categories of customers. The "categories of customers" part is the reason that it is a private issue.) There is also a latent bug here. If we ever encounter a log line longer than bufio.MaxScanTokenSize, then bufio.Scan will return an error, and we'll truncate the file and discard the rest of the log. That's not good, but bufio.MaxScanTokenSize is really big, so it probably doesn't matter much in practice now. Unfortunately, it does prevent us from easily capping the potential memory usage here, on pain of losing log entries. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
Josh Bleecher Snyder	a5da4ed981	all: gofmt with Go 1.17 ... This adds "//go:build" lines and tidies up existing "// +build" lines. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago
David Crawshaw	297b3d6fa4	staticcheck.conf: turn off noisy lint errors ... Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	3 years ago
Josh Bleecher Snyder	61e411344f	logtail/filch: add staticcheck annotation ... To work around a staticcheck bug when running with GOOS=windows. Signed-off-by: Josh Bleecher Snyder <josharian@gmail.com>	4 years ago
Brad Fitzpatrick	d6e9fb1df0	all: adjust Unix permissions for those without umasks ... Fixes tailscale/corp#1165 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 years ago
Brad Fitzpatrick	7a2a3955d3	logtail/filch: skip a broken test on Windows ... Add a TODO with some notes about why it's skipped for now. Updates #50	4 years ago
Josh Bleecher Snyder	585a0d8997	all: use testing.T.TempDir ... Bit of Friday cleanup. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	4 years ago
Avery Pennarun	5eb09c8f5e	filch_test: clarify the use of os.RemoveAll(). ... Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>	5 years ago
David Crawshaw	51a12d1307	filch: a few minor comments ... Signed-off-by: David Crawshaw <crawshaw@tailscale.com>	5 years ago
David Anderson	de0239375a	logtail/filch: use x/sys/unix instead of syscall. ... In particular, the Dup2 syscall is not defined in the syscall package on arm64, but is defined in x/sys/unix. Signed-off-by: David Anderson <dave@natulte.net>	5 years ago
David Anderson	80ecb8342f	logtail/filch: use io's seek constants. ... Signed-off-by: David Anderson <dave@natulte.net>	5 years ago
Earl Lee	a8d8b8719a	Move Linux client & common packages into a public repo.	5 years ago