commit ab5e5250509e06ce3f6cf7cdbd106909870086b4
author Vova Sharaienko <sharaienko@google.com> Tue May 30 19:47:07 2023 +0000
committer Vova Sharaienko <sharaienko@google.com> Thu Jun 01 22:04:22 2023 +0000
tree 731a4870aa299015715abcedb5b949982e0dab51
parent fadbbc94f883d9ced260c2a02b071fa2c4f5f4a3

Increasing length of the datagram for Unix Domain Socket

- address p99 StatsD socket loss issue

Bug: 284508851
Test: atest statsd_test
Test: atest statsd_benchmark
Ignore-AOSP-First: mitigate data loss in Android U
Change-Id: I4124ba8d4d78733eb666073f6d29dfe0c0552c0f
Merged-In: I4124ba8d4d78733eb666073f6d29dfe0c0552c0f

rootdir/init.rc

diff --git a/rootdir/init.rc b/rootdir/init.rc
index fdad273..0ee85c7 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -295,7 +295,7 @@
     write /proc/sys/kernel/randomize_va_space 2
     write /proc/sys/vm/mmap_min_addr 32768
     write /proc/sys/net/ipv4/ping_group_range "0 2147483647"
-    write /proc/sys/net/unix/max_dgram_qlen 600
+    write /proc/sys/net/unix/max_dgram_qlen 2400
 
     # Assign reasonable ceiling values for socket rcv/snd buffers.
     # These should almost always be overridden by the target per the