diff options
author | Lennart Poettering <lennart@poettering.net> | 2012-07-18 16:22:40 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2012-07-18 16:22:40 +0200 |
commit | 361f9cbc7e6c7d3ac41892f5a5aebd1ef4049b95 (patch) | |
tree | 803372ce44ea9c4aba303325b060749dd14badb3 | |
parent | dfabe643f3560dcf147f49ec11e95b95c718c3da (diff) |
journal: when we suggest a rotation, explain why
-rw-r--r-- | src/journal/journal-file.c | 22 |
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 sizeof(Header)) { + log_debug("%s uses an outdated header, suggesting rotation.", f-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; } |