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add warning log when the number of sstable is at high level

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This commit is contained in:
obdev
2023-04-04 04:47:41 +00:00
committed by ob-robot
parent 1a733581e8
commit 0b1e970028
5 changed files with 63 additions and 15 deletions
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2
src/storage/tablet/ob_table_store_util.cpp
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@ -134,7 +134,7 @@ int ObITableArray::copy(
{
int ret = OB_SUCCESS;
if (OB_FAIL(init(allocator, other.count_))) {
LOG_ERROR("failed to init ObITableArray for copying", K(ret), K(other));
LOG_WARN("failed to init ObITableArray for copying", K(ret), K(other));
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < count_; ++i) {
if (OB_ISNULL(other[i])) {

11
src/storage/tablet/ob_tablet.cpp
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@ -2460,10 +2460,21 @@ int ObTablet::get_kept_multi_version_start(
ls_min_reserved_snapshot = ls.get_min_reserved_snapshot();
}
if (OB_SUCC(ret)) {
const int64_t old_min_reserved_snapshot = min_reserved_snapshot;
min_reserved_snapshot = common::min(
ls_min_reserved_snapshot,
common::min(min_reserved_snapshot, min_medium_snapshot));
multi_version_start = MIN(MAX(min_reserved_snapshot, multi_version_start), tablet.get_snapshot_version());
const int64_t current_time = common::ObTimeUtility::fast_current_time() * 1000; // needs ns here.
if (current_time - multi_version_start > 120 * 60 * 1000 * 1000L /*2 hour*/) {
if (REACH_TENANT_TIME_INTERVAL(10 * 1000 * 1000L /*10s*/)) {
LOG_INFO("tablet multi version start not advance for a long time", K(ret),
"ls_id", tablet.get_tablet_meta().ls_id_, K(tablet_id),
K(multi_version_start), K(old_min_reserved_snapshot), K(min_medium_snapshot),
"ls_min_reserved_snapshot", ls.get_min_reserved_snapshot(), K(tablet));
}
}
}
LOG_DEBUG("get multi version start", "ls_id", tablet.get_tablet_meta().ls_id_, K(tablet_id),
K(multi_version_start), K(min_reserved_snapshot), K(tablet.get_tablet_meta()), K(min_medium_snapshot),

8
src/storage/tablet/ob_tablet_table_store.cpp
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@ -1255,6 +1255,14 @@ int ObTabletTableStore::check_ready_for_read()
is_ready_for_read_ = true;
}
}
if (OB_SUCC(ret) && get_table_count() > EMERGENCY_SSTABLE_CNT) {
int tmp_ret = OB_TOO_MANY_SSTABLE;
LOG_WARN("Emergency SSTable count, maybe frequency freeze occurs, or maybe multi_version_start not adavanced.",
K(tmp_ret),
"major table count: ", major_tables_.count(),
"minor table count: ", minor_tables_.count());
}
return ret;
}

1
src/storage/tablet/ob_tablet_table_store.h
View File

@ -236,6 +236,7 @@ private:
public:
static const int64_t TABLE_STORE_VERSION = 0x0100;
static const int64_t MAX_SSTABLE_CNT = 128;
static const int64_t EMERGENCY_SSTABLE_CNT = 48;
private:
ObTablet *tablet_ptr_;
ObSSTableArray major_tables_;