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Test & fix single-PG primary OSD

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- Add support for benchmarking single primary OSD in fio_sec_osd
- Do not wait for the next event in flushers (return resume_0 back)
- Fix flushing of zero-length writes
- Print PG object count when peering
- Print journal free space when starting and when congested
This commit is contained in:
Vitaliy Filippov
2020-02-26 19:05:29 +03:00
parent df66a76ce2
commit 1733de2db6
8 changed files with 133 additions and 63 deletions
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blockstore_journal.cpp
+6
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@@ -67,6 +67,12 @@ int blockstore_journal_check_t::check_available(blockstore_op_t *op, int require
if (!right_dir && next_pos >= bs->journal.used_start-bs->journal.block_size)
{
// No space in the journal. Wait until used_start changes.
printf(
"Ran out of journal space (free space: %lu bytes)\n",
(bs->journal.next_free >= bs->journal.used_start
? bs->journal.len-bs->journal.block_size - (bs->journal.next_free-bs->journal.used_start)
: bs->journal.used_start - bs->journal.next_free)
);
PRIV(op)->wait_for = WAIT_JOURNAL;
bs->flusher->force_start();
PRIV(op)->wait_detail = bs->journal.used_start;