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[FEAT MERGE] OLTP performance and cpu reduction optimization under tiny specification

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Co-authored-by: hezuojiao <hezuojiao@gmail.com>
This commit is contained in:
obdev
2023-04-26 15:30:17 +00:00
committed by ob-robot
parent 8ad13af591
commit 8fb50cdf65
179 changed files with 3131 additions and 1425 deletions
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12
src/share/ob_global_autoinc_service.cpp
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@ -313,14 +313,10 @@ int ObGlobalAutoIncService::handle_push_autoinc_request(
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to get seq value", K(ret), K(key));
} else if (OB_UNLIKELY(OB_HASH_NOT_EXIST == err || cache_node.need_sync(request.base_value_))) {
const bool is_valid_before_sync = cache_node.is_valid();
if (OB_FAIL(sync_value_to_inner_table_(request, cache_node, sync_value))) {
LOG_WARN("sync to inner table failed", K(ret));
} else {
bool need_update_node_map = cache_node.is_valid() || is_valid_before_sync;
if (need_update_node_map && OB_FAIL(autoinc_map_.set_refactored(key, cache_node, 1))) {
LOG_WARN("set autoinc_map_ failed", K(ret));
}
} else if (OB_FAIL(autoinc_map_.set_refactored(key, cache_node, 1))) {
LOG_WARN("set autoinc_map_ failed", K(ret));
}
} else {
sync_value = cache_node.sync_value_;
@ -444,6 +440,7 @@ int ObGlobalAutoIncService::sync_value_to_inner_table_(
if (seq_value > node.last_available_value_) {
// the node is expired.
node.reset();
node.sync_value_ = sync_value; // update sync value for next sync
} else if (sync_value == request.max_value_) {
if (node.last_available_value_ != request.max_value_) {
ret = OB_ERR_UNEXPECTED;
@ -457,7 +454,8 @@ int ObGlobalAutoIncService::sync_value_to_inner_table_(
LOG_WARN("fail to update sync value", K(ret), K(sync_value));
}
} else {
// do nothing for non-valid node.
node.reset();
node.sync_value_ = sync_value; // update sync value for next sync
}
return ret;
}