TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-08-13 14:43:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

control/controlclient: do not periodically print full netmap

Browse Source 
The netmaps can get really large.
Printing, processing, and uploading them is expensive.
Only print the header on an ongoing basis.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
This commit is contained in:
Josh Bleecher Snyder
2021-08-17 10:05:20 -07:00
committed by Josh Bleecher Snyder
parent a666b546fb
commit 4c8b5fdec4
2 changed files with 12 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
control/controlclient/direct.go
View File

@@ -872,15 +872,14 @@ func (c *Direct) sendMapRequest(ctx context.Context, maxPolls int, cb func(*netm
nm.LocalPort = c.localPort
c.mu.Unlock()
// Printing the netmap can be extremely verbose, but is very
// handy for debugging. Let's limit how often we do it.
// Code elsewhere prints netmap diffs every time, so this
// occasional full dump, plus incremental diffs, should do
// the job.
// Occasionally print the netmap header.
// This is handy for debugging, and our logs processing
// pipeline depends on it. (TODO: Remove this dependency.)
// Code elsewhere prints netmap diffs every time they are received.
now := c.timeNow()
if now.Sub(c.lastPrintMap) >= 5*time.Minute {
c.lastPrintMap = now
c.logf("[v1] new network map[%d]:\n%s", i, nm.Concise())
c.logf("[v1] new network map[%d]:\n%s", i, nm.VeryConcise())
}
c.mu.Lock()