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12 MB threshold for rename versus truncate

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Oliver Gorwits
2015-01-24 21:01:47 +00:00
parent 4f9167d6f4
commit 3c4a363c78
2 changed files with 6 additions and 4 deletions
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5
Netdisco/bin/netdisco-daemon
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@@ -155,8 +155,9 @@ sub rotate_logs {
} }
# if the log file's about 10M then the race condition in copy/truncate # if the log file's about 10M then the race condition in copy/truncate
# has a low probability. if the file's larger, then we rename and kill # has a low risk of data loss. if the file's larger, then we rename and
if ((-s $log_file) > (11 * 1024768)) { # kill.
if ((-s $log_file) > (12 * 1024768)) {
rename $log_file, $log_file .'.1'; rename $log_file, $log_file .'.1';
signal_child('TERM', $child); signal_child('TERM', $child);
$child = fork_and_start(@_); $child = fork_and_start(@_);

5
Netdisco/bin/netdisco-web
View File

@@ -169,8 +169,9 @@ sub rotate_logs {
} }
# if the log file's about 10M then the race condition in copy/truncate # if the log file's about 10M then the race condition in copy/truncate
# has a low probability. if the file's larger, then we rename and kill # has a low risk of data loss. if the file's larger, then we rename and
if ((-s $log_file) > (15 * 1024768)) { # kill.
if ((-s $log_file) > (12 * 1024768)) {
rename $log_file, $log_file .'.1'; rename $log_file, $log_file .'.1';
signal_child('HUP', $child); signal_child('HUP', $child);
} }