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Merge "logd: pruning time horizon"

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Mark Salyzyn 2015-11-04 00:28:15 +00:00 committed by Gerrit Code Review
commit 183df3ddf7
1 changed files with 4 additions and 1 deletions
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5
logd/LogBuffer.cpp
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@ -436,7 +436,10 @@ bool LogBuffer::prune(log_id_t id, unsigned long pruneRows, uid_t caller_uid) {
worst_sizes = sorted[0]->getSizes();
// Calculate threshold as 12.5% of available storage
size_t threshold = log_buffer_size(id) / 8;
if (worst_sizes > threshold) {
if ((worst_sizes > threshold)
// Allow time horizon to extend roughly tenfold, assume
// average entry length is 100 characters.
&& (worst_sizes > (10 * sorted[0]->getDropped()))) {
worst = sorted[0]->getKey();
second_worst_sizes = sorted[1]->getSizes();
if (second_worst_sizes < threshold) {