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Merge pull request #32534 from cbodley/wip-43512

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rgw multisite: enforce spawn window for incremental data sync

Reviewed-by: Daniel Gryniewicz <dang@redhat.com>
Reviewed-by: Eric J. Ivancich <ivancich@redhat.com>
Reviewed-by: Shilpa Jagannath <smanjara@redhat.com>
This commit is contained in:
Casey Bodley 2020-01-13 14:44:47 -05:00 committed by GitHub
commit 01d7e32d07
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1 changed files with 11 additions and 26 deletions
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37
src/rgw/rgw_data_sync.cc
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@ -1156,8 +1156,6 @@ class RGWDataSyncShardCR : public RGWCoroutine {
bool *reset_backoff;
set<string> spawned_keys;
boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr;
boost::intrusive_ptr<RGWCoroutinesStack> lease_stack;
string status_oid;
@ -1426,9 +1424,7 @@ public:
}
omapkeys.reset();
#define INCREMENTAL_MAX_ENTRIES 100
tn->log(20, SSTR("shard_id=" << shard_id << " sync_marker=" << sync_marker.marker));
spawned_keys.clear();
yield call(new RGWReadRemoteDataLogShardCR(sync_env, shard_id, sync_marker.marker,
&next_marker, &log_entries, &truncated));
if (retcode < 0 && retcode != -ENOENT) {
@ -1452,30 +1448,19 @@ public:
if (!marker_tracker->start(log_iter->log_id, 0, log_iter->log_timestamp)) {
tn->log(0, SSTR("ERROR: cannot start syncing " << log_iter->log_id << ". Duplicate entry?"));
} else {
/*
* don't spawn the same key more than once. We can do that as long as we don't yield
*/
if (spawned_keys.find(log_iter->entry.key) == spawned_keys.end()) {
spawned_keys.insert(log_iter->entry.key);
spawn(new RGWDataSyncSingleEntryCR(sync_env, log_iter->entry.key, log_iter->log_id, marker_tracker, error_repo, false, tn), false);
if (retcode < 0) {
stop_spawned_services();
drain_all();
return set_cr_error(retcode);
}
}
spawn(new RGWDataSyncSingleEntryCR(sync_env, log_iter->entry.key, log_iter->log_id, marker_tracker, error_repo, false, tn), false);
}
}
while ((int)num_spawned() > spawn_window) {
set_status() << "num_spawned() > spawn_window";
yield wait_for_child();
int ret;
while (collect(&ret, lease_stack.get())) {
if (ret < 0) {
tn->log(10, "a sync operation returned error");
/* we have reported this error */
while ((int)num_spawned() > spawn_window) {
set_status() << "num_spawned() > spawn_window";
yield wait_for_child();
int ret;
while (collect(&ret, lease_stack.get())) {
if (ret < 0) {
tn->log(10, "a sync operation returned error");
/* we have reported this error */
}
/* not waiting for child here */
}
/* not waiting for child here */
}
}