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authorLennart Poettering <lennart@poettering.net>2012-07-18 16:22:40 +0200
committerLennart Poettering <lennart@poettering.net>2012-07-18 16:22:40 +0200
commit361f9cbc7e6c7d3ac41892f5a5aebd1ef4049b95 (patch)
tree803372ce44ea9c4aba303325b060749dd14badb3 /src/journal/journal-file.c
parentdfabe643f3560dcf147f49ec11e95b95c718c3da (diff)
journal: when we suggest a rotation, explain why
Diffstat (limited to 'src/journal/journal-file.c')
-rw-r--r--src/journal/journal-file.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
index b9ab009b3f..9efa82cbe0 100644
--- a/src/journal/journal-file.c
+++ b/src/journal/journal-file.c
@@ -2593,8 +2593,10 @@ bool journal_file_rotate_suggested(JournalFile *f) {
/* If we gained new header fields we gained new features,
* hence suggest a rotation */
- if (le64toh(f->header->header_size) < sizeof(Header))
+ if (le64toh(f->header->header_size) < sizeof(Header)) {
+ log_debug("%s uses an outdated header, suggesting rotation.", f->path);
return true;
+ }
/* Let's check if the hash tables grew over a certain fill
* level (75%, borrowing this value from Java's hash table
@@ -2603,12 +2605,26 @@ bool journal_file_rotate_suggested(JournalFile *f) {
* in newer versions. */
if (JOURNAL_HEADER_CONTAINS(f->header, n_data))
- if (le64toh(f->header->n_data) * 4ULL > (le64toh(f->header->data_hash_table_size) / sizeof(HashItem)) * 3ULL)
+ if (le64toh(f->header->n_data) * 4ULL > (le64toh(f->header->data_hash_table_size) / sizeof(HashItem)) * 3ULL) {
+ log_debug("Data hash table of %s has a fill level at %.1f (%llu of %llu items, %llu file size, %llu bytes per hash table item), suggesting rotation.",
+ f->path,
+ 100.0 * (double) le64toh(f->header->n_data) / ((double) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem))),
+ (unsigned long long) le64toh(f->header->n_data),
+ (unsigned long long) (le64toh(f->header->data_hash_table_size) / sizeof(HashItem)),
+ (unsigned long long) (f->last_stat.st_size),
+ (unsigned long long) (f->last_stat.st_size / le64toh(f->header->n_data)));
return true;
+ }
if (JOURNAL_HEADER_CONTAINS(f->header, n_fields))
- if (le64toh(f->header->n_fields) * 4ULL > (le64toh(f->header->field_hash_table_size) / sizeof(HashItem)) * 3ULL)
+ if (le64toh(f->header->n_fields) * 4ULL > (le64toh(f->header->field_hash_table_size) / sizeof(HashItem)) * 3ULL) {
+ log_debug("Field hash table of %s has a fill level at %.1f (%llu of %llu items), suggesting rotation.",
+ f->path,
+ 100.0 * (double) le64toh(f->header->n_fields) / ((double) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem))),
+ (unsigned long long) le64toh(f->header->n_fields),
+ (unsigned long long) (le64toh(f->header->field_hash_table_size) / sizeof(HashItem)));
return true;
+ }
return false;
}