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[v24.2.x] k/group_manager: return not_coordinator quickly in tx operations #23189

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Sep 5, 2024
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[v24.2.x] k/group_manager: return not_coordinator quickly in tx operations #23189

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24 changes: 20 additions & 4 deletions src/v/kafka/server/group_manager.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1273,7 +1273,11 @@ group_manager::leave_group(leave_group_request&& r) {
ss::future<txn_offset_commit_response>
group_manager::txn_offset_commit(txn_offset_commit_request&& r) {
auto p = get_attached_partition(r.ntp);
if (!p || !p->catchup_lock->try_read_lock()) {
if (!p || !p->partition->is_leader()) {
return ss::make_ready_future<txn_offset_commit_response>(
txn_offset_commit_response(r, error_code::not_coordinator));
}
if (!p->catchup_lock->try_read_lock()) {
// transaction operations can't run in parallel with loading
// state from the log (happens once per term change)
vlog(
Expand Down Expand Up @@ -1324,7 +1328,11 @@ group_manager::txn_offset_commit(txn_offset_commit_request&& r) {
ss::future<cluster::commit_group_tx_reply>
group_manager::commit_tx(cluster::commit_group_tx_request&& r) {
auto p = get_attached_partition(r.ntp);
if (!p || !p->catchup_lock->try_read_lock()) {
if (!p || !p->partition->is_leader()) {
return ss::make_ready_future<cluster::commit_group_tx_reply>(
make_commit_tx_reply(cluster::tx::errc::not_coordinator));
}
if (!p->catchup_lock->try_read_lock()) {
// transaction operations can't run in parallel with loading
// state from the log (happens once per term change)
vlog(
Expand Down Expand Up @@ -1364,7 +1372,11 @@ group_manager::commit_tx(cluster::commit_group_tx_request&& r) {
ss::future<cluster::begin_group_tx_reply>
group_manager::begin_tx(cluster::begin_group_tx_request&& r) {
auto p = get_attached_partition(r.ntp);
if (!p || !p->catchup_lock->try_read_lock()) {
if (!p || !p->partition->is_leader()) {
return ss::make_ready_future<cluster::begin_group_tx_reply>(
make_begin_tx_reply(cluster::tx::errc::not_coordinator));
}
if (!p->catchup_lock->try_read_lock()) {
// transaction operations can't run in parallel with loading
// state from the log (happens once per term change)
vlog(
Expand Down Expand Up @@ -1412,7 +1424,11 @@ group_manager::begin_tx(cluster::begin_group_tx_request&& r) {
ss::future<cluster::abort_group_tx_reply>
group_manager::abort_tx(cluster::abort_group_tx_request&& r) {
auto p = get_attached_partition(r.ntp);
if (!p || !p->catchup_lock->try_read_lock()) {
if (!p || !p->partition->is_leader()) {
return ss::make_ready_future<cluster::abort_group_tx_reply>(
make_abort_tx_reply(cluster::tx::errc::not_coordinator));
}
if (!p->catchup_lock->try_read_lock()) {
// transaction operations can't run in parallel with loading
// state from the log (happens once per term change)
vlog(
Expand Down
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