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PeeringState.cc
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PeeringState.cc
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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "PGPeeringEvent.h"
#include "common/ceph_releases.h"
#include "common/dout.h"
#include "PeeringState.h"
#include "messages/MOSDPGRemove.h"
#include "messages/MBackfillReserve.h"
#include "messages/MRecoveryReserve.h"
#include "messages/MOSDScrubReserve.h"
#include "messages/MOSDPGInfo.h"
#include "messages/MOSDPGInfo2.h"
#include "messages/MOSDPGTrim.h"
#include "messages/MOSDPGLog.h"
#include "messages/MOSDPGNotify.h"
#include "messages/MOSDPGNotify2.h"
#include "messages/MOSDPGQuery.h"
#include "messages/MOSDPGQuery2.h"
#include "messages/MOSDPGLease.h"
#include "messages/MOSDPGLeaseAck.h"
#define dout_context cct
#define dout_subsys ceph_subsys_osd
using std::dec;
using std::hex;
using std::make_pair;
using std::map;
using std::ostream;
using std::pair;
using std::set;
using std::stringstream;
using std::vector;
using ceph::Formatter;
using ceph::make_message;
BufferedRecoveryMessages::BufferedRecoveryMessages(
ceph_release_t r,
PeeringCtx &ctx)
: require_osd_release(r) {
// steal messages from ctx
message_map.swap(ctx.message_map);
}
void BufferedRecoveryMessages::send_notify(int to, const pg_notify_t &n)
{
if (require_osd_release >= ceph_release_t::octopus) {
spg_t pgid(n.info.pgid.pgid, n.to);
send_osd_message(to, make_message<MOSDPGNotify2>(pgid, n));
} else {
send_osd_message(to, make_message<MOSDPGNotify>(n.epoch_sent, vector{n}));
}
}
void BufferedRecoveryMessages::send_query(
int to,
spg_t to_spgid,
const pg_query_t &q)
{
if (require_osd_release >= ceph_release_t::octopus) {
send_osd_message(to,
make_message<MOSDPGQuery2>(to_spgid, q));
} else {
auto m = make_message<MOSDPGQuery>(
q.epoch_sent,
MOSDPGQuery::pg_list_t{{to_spgid, q}});
send_osd_message(to, m);
}
}
void BufferedRecoveryMessages::send_info(
int to,
spg_t to_spgid,
epoch_t min_epoch,
epoch_t cur_epoch,
const pg_info_t &info,
std::optional<pg_lease_t> lease,
std::optional<pg_lease_ack_t> lease_ack)
{
if (require_osd_release >= ceph_release_t::octopus) {
send_osd_message(
to,
make_message<MOSDPGInfo2>(
to_spgid,
info,
cur_epoch,
min_epoch,
lease,
lease_ack)
);
} else {
send_osd_message(
to,
make_message<MOSDPGInfo>(
cur_epoch,
vector{pg_notify_t{to_spgid.shard,
info.pgid.shard,
min_epoch, cur_epoch,
info, PastIntervals{}}})
);
}
}
void PGPool::update(OSDMapRef map)
{
const pg_pool_t *pi = map->get_pg_pool(id);
if (!pi) {
return; // pool has been deleted
}
info = *pi;
name = map->get_pool_name(id);
bool updated = false;
if ((map->get_epoch() != cached_epoch + 1) ||
(pi->get_snap_epoch() == map->get_epoch())) {
updated = true;
}
if (info.is_pool_snaps_mode() && updated) {
snapc = pi->get_snap_context();
}
cached_epoch = map->get_epoch();
}
/*-------------Peering State Helpers----------------*/
#undef dout_prefix
#define dout_prefix (dpp->gen_prefix(*_dout))
#undef psdout
#define psdout(x) ldout(cct, x)
PeeringState::PeeringState(
CephContext *cct,
pg_shard_t pg_whoami,
spg_t spgid,
const PGPool &_pool,
OSDMapRef curmap,
DoutPrefixProvider *dpp,
PeeringListener *pl)
: state_history(*pl),
cct(cct),
spgid(spgid),
dpp(dpp),
pl(pl),
orig_ctx(0),
osdmap_ref(curmap),
pool(_pool),
pg_whoami(pg_whoami),
info(spgid),
pg_log(cct),
missing_loc(spgid, this, dpp, cct),
machine(this, cct, spgid, dpp, pl, &state_history)
{
machine.initiate();
}
void PeeringState::start_handle(PeeringCtx *new_ctx) {
ceph_assert(!rctx);
ceph_assert(!orig_ctx);
orig_ctx = new_ctx;
if (new_ctx) {
if (messages_pending_flush) {
rctx.emplace(*messages_pending_flush, *new_ctx);
} else {
rctx.emplace(*new_ctx);
}
rctx->start_time = ceph_clock_now();
}
}
void PeeringState::begin_block_outgoing() {
ceph_assert(!messages_pending_flush);
ceph_assert(orig_ctx);
ceph_assert(rctx);
messages_pending_flush = BufferedRecoveryMessages(
orig_ctx->require_osd_release);
rctx.emplace(*messages_pending_flush, *orig_ctx);
}
void PeeringState::clear_blocked_outgoing() {
ceph_assert(orig_ctx);
ceph_assert(rctx);
messages_pending_flush = std::optional<BufferedRecoveryMessages>();
}
void PeeringState::end_block_outgoing() {
ceph_assert(messages_pending_flush);
ceph_assert(orig_ctx);
ceph_assert(rctx);
orig_ctx->accept_buffered_messages(*messages_pending_flush);
rctx.emplace(*orig_ctx);
messages_pending_flush = std::optional<BufferedRecoveryMessages>();
}
void PeeringState::end_handle() {
if (rctx) {
utime_t dur = ceph_clock_now() - rctx->start_time;
machine.event_time += dur;
}
machine.event_count++;
rctx = std::nullopt;
orig_ctx = NULL;
}
void PeeringState::check_recovery_sources(const OSDMapRef& osdmap)
{
/*
* check that any peers we are planning to (or currently) pulling
* objects from are dealt with.
*/
missing_loc.check_recovery_sources(osdmap);
pl->check_recovery_sources(osdmap);
for (auto i = peer_log_requested.begin(); i != peer_log_requested.end();) {
if (!osdmap->is_up(i->osd)) {
psdout(10) << "peer_log_requested removing " << *i << dendl;
peer_log_requested.erase(i++);
} else {
++i;
}
}
for (auto i = peer_missing_requested.begin();
i != peer_missing_requested.end();) {
if (!osdmap->is_up(i->osd)) {
psdout(10) << "peer_missing_requested removing " << *i << dendl;
peer_missing_requested.erase(i++);
} else {
++i;
}
}
}
void PeeringState::update_history(const pg_history_t& new_history)
{
auto mnow = pl->get_mnow();
info.history.refresh_prior_readable_until_ub(mnow, prior_readable_until_ub);
if (info.history.merge(new_history)) {
psdout(20) << __func__ << " advanced history from " << new_history << dendl;
dirty_info = true;
if (info.history.last_epoch_clean >= info.history.same_interval_since) {
psdout(20) << __func__ << " clearing past_intervals" << dendl;
past_intervals.clear();
dirty_big_info = true;
}
prior_readable_until_ub = info.history.get_prior_readable_until_ub(mnow);
if (prior_readable_until_ub != ceph::signedspan::zero()) {
dout(20) << __func__
<< " prior_readable_until_ub " << prior_readable_until_ub
<< " (mnow " << mnow << " + "
<< info.history.prior_readable_until_ub << ")" << dendl;
}
}
pl->on_info_history_change();
}
hobject_t PeeringState::earliest_backfill() const
{
hobject_t e = hobject_t::get_max();
for (const pg_shard_t& bt : get_backfill_targets()) {
const pg_info_t &pi = get_peer_info(bt);
e = std::min(pi.last_backfill, e);
}
return e;
}
void PeeringState::purge_strays()
{
if (is_premerge()) {
psdout(10) << "purge_strays " << stray_set << " but premerge, doing nothing"
<< dendl;
return;
}
if (cct->_conf.get_val<bool>("osd_debug_no_purge_strays")) {
return;
}
psdout(10) << "purge_strays " << stray_set << dendl;
bool removed = false;
for (auto p = stray_set.begin(); p != stray_set.end(); ++p) {
ceph_assert(!is_acting_recovery_backfill(*p));
if (get_osdmap()->is_up(p->osd)) {
psdout(10) << "sending PGRemove to osd." << *p << dendl;
vector<spg_t> to_remove;
to_remove.push_back(spg_t(info.pgid.pgid, p->shard));
auto m = make_message<MOSDPGRemove>(
get_osdmap_epoch(),
to_remove);
pl->send_cluster_message(p->osd, m, get_osdmap_epoch());
} else {
psdout(10) << "not sending PGRemove to down osd." << *p << dendl;
}
peer_missing.erase(*p);
peer_info.erase(*p);
missing_loc.remove_stray_recovery_sources(*p);
peer_purged.insert(*p);
removed = true;
}
// if we removed anyone, update peers (which include peer_info)
if (removed)
update_heartbeat_peers();
stray_set.clear();
// clear _requested maps; we may have to peer() again if we discover
// (more) stray content
peer_log_requested.clear();
peer_missing_requested.clear();
}
void PeeringState::query_unfound(Formatter *f, string state)
{
psdout(20) << "Enter PeeringState common QueryUnfound" << dendl;
{
f->dump_string("state", state);
f->dump_bool("available_might_have_unfound", true);
f->open_array_section("might_have_unfound");
for (auto p = might_have_unfound.begin();
p != might_have_unfound.end();
++p) {
if (peer_missing.count(*p)) {
; // Ignore already probed OSDs
} else {
f->open_object_section("osd");
f->dump_stream("osd") << *p;
if (peer_missing_requested.count(*p)) {
f->dump_string("status", "querying");
} else if (!get_osdmap()->is_up(p->osd)) {
f->dump_string("status", "osd is down");
} else {
f->dump_string("status", "not queried");
}
f->close_section();
}
}
f->close_section();
}
psdout(20) << "Exit PeeringState common QueryUnfound" << dendl;
return;
}
bool PeeringState::proc_replica_info(
pg_shard_t from, const pg_info_t &oinfo, epoch_t send_epoch)
{
auto p = peer_info.find(from);
if (p != peer_info.end() && p->second.last_update == oinfo.last_update) {
psdout(10) << " got dup osd." << from << " info "
<< oinfo << ", identical to ours" << dendl;
return false;
}
if (!get_osdmap()->has_been_up_since(from.osd, send_epoch)) {
psdout(10) << " got info " << oinfo << " from down osd." << from
<< " discarding" << dendl;
return false;
}
psdout(10) << " got osd." << from << " " << oinfo << dendl;
ceph_assert(is_primary());
peer_info[from] = oinfo;
might_have_unfound.insert(from);
update_history(oinfo.history);
// stray?
if (!is_up(from) && !is_acting(from)) {
psdout(10) << " osd." << from << " has stray content: " << oinfo << dendl;
stray_set.insert(from);
if (is_clean()) {
purge_strays();
}
}
// was this a new info? if so, update peers!
if (p == peer_info.end())
update_heartbeat_peers();
return true;
}
void PeeringState::remove_down_peer_info(const OSDMapRef &osdmap)
{
// Remove any downed osds from peer_info
bool removed = false;
auto p = peer_info.begin();
while (p != peer_info.end()) {
if (!osdmap->is_up(p->first.osd)) {
psdout(10) << " dropping down osd." << p->first << " info " << p->second << dendl;
peer_missing.erase(p->first);
peer_log_requested.erase(p->first);
peer_missing_requested.erase(p->first);
peer_purged.erase(p->first);
peer_info.erase(p++);
removed = true;
} else
++p;
}
// if we removed anyone, update peers (which include peer_info)
if (removed)
update_heartbeat_peers();
check_recovery_sources(osdmap);
}
void PeeringState::update_heartbeat_peers()
{
if (!is_primary())
return;
set<int> new_peers;
for (unsigned i=0; i<acting.size(); i++) {
if (acting[i] != CRUSH_ITEM_NONE)
new_peers.insert(acting[i]);
}
for (unsigned i=0; i<up.size(); i++) {
if (up[i] != CRUSH_ITEM_NONE)
new_peers.insert(up[i]);
}
for (auto p = peer_info.begin(); p != peer_info.end(); ++p) {
new_peers.insert(p->first.osd);
}
pl->update_heartbeat_peers(std::move(new_peers));
}
void PeeringState::write_if_dirty(ObjectStore::Transaction& t)
{
pl->prepare_write(
info,
last_written_info,
past_intervals,
pg_log,
dirty_info,
dirty_big_info,
last_persisted_osdmap < get_osdmap_epoch(),
t);
if (dirty_info || dirty_big_info) {
last_persisted_osdmap = get_osdmap_epoch();
last_written_info = info;
dirty_info = false;
dirty_big_info = false;
}
}
void PeeringState::advance_map(
OSDMapRef osdmap, OSDMapRef lastmap,
vector<int>& newup, int up_primary,
vector<int>& newacting, int acting_primary,
PeeringCtx &rctx)
{
ceph_assert(lastmap == osdmap_ref);
psdout(10) << "handle_advance_map "
<< newup << "/" << newacting
<< " -- " << up_primary << "/" << acting_primary
<< dendl;
update_osdmap_ref(osdmap);
pool.update(osdmap);
AdvMap evt(
osdmap, lastmap, newup, up_primary,
newacting, acting_primary);
handle_event(evt, &rctx);
if (pool.info.last_change == osdmap_ref->get_epoch()) {
pl->on_pool_change();
}
readable_interval = pool.get_readable_interval(cct->_conf);
last_require_osd_release = osdmap->require_osd_release;
}
void PeeringState::activate_map(PeeringCtx &rctx)
{
psdout(10) << __func__ << dendl;
ActMap evt;
handle_event(evt, &rctx);
if (osdmap_ref->get_epoch() - last_persisted_osdmap >
cct->_conf->osd_pg_epoch_persisted_max_stale) {
psdout(20) << __func__ << ": Dirtying info: last_persisted is "
<< last_persisted_osdmap
<< " while current is " << osdmap_ref->get_epoch() << dendl;
dirty_info = true;
} else {
psdout(20) << __func__ << ": Not dirtying info: last_persisted is "
<< last_persisted_osdmap
<< " while current is " << osdmap_ref->get_epoch() << dendl;
}
write_if_dirty(rctx.transaction);
if (get_osdmap()->check_new_blocklist_entries()) {
pl->check_blocklisted_watchers();
}
}
void PeeringState::set_last_peering_reset()
{
psdout(20) << "set_last_peering_reset " << get_osdmap_epoch() << dendl;
if (last_peering_reset != get_osdmap_epoch()) {
last_peering_reset = get_osdmap_epoch();
psdout(10) << "Clearing blocked outgoing recovery messages" << dendl;
clear_blocked_outgoing();
if (!pl->try_flush_or_schedule_async()) {
psdout(10) << "Beginning to block outgoing recovery messages" << dendl;
begin_block_outgoing();
} else {
psdout(10) << "Not blocking outgoing recovery messages" << dendl;
}
}
}
void PeeringState::complete_flush()
{
flushes_in_progress--;
if (flushes_in_progress == 0) {
pl->on_flushed();
}
}
void PeeringState::check_full_transition(OSDMapRef lastmap, OSDMapRef osdmap)
{
const pg_pool_t *pi = osdmap->get_pg_pool(info.pgid.pool());
if (!pi) {
return; // pool deleted
}
bool changed = false;
if (pi->has_flag(pg_pool_t::FLAG_FULL)) {
const pg_pool_t *opi = lastmap->get_pg_pool(info.pgid.pool());
if (!opi || !opi->has_flag(pg_pool_t::FLAG_FULL)) {
psdout(10) << " pool was marked full in " << osdmap->get_epoch() << dendl;
changed = true;
}
}
if (changed) {
info.history.last_epoch_marked_full = osdmap->get_epoch();
dirty_info = true;
}
}
bool PeeringState::should_restart_peering(
int newupprimary,
int newactingprimary,
const vector<int>& newup,
const vector<int>& newacting,
OSDMapRef lastmap,
OSDMapRef osdmap)
{
if (PastIntervals::is_new_interval(
primary.osd,
newactingprimary,
acting,
newacting,
up_primary.osd,
newupprimary,
up,
newup,
osdmap.get(),
lastmap.get(),
info.pgid.pgid)) {
psdout(20) << "new interval newup " << newup
<< " newacting " << newacting << dendl;
return true;
}
if (!lastmap->is_up(pg_whoami.osd) && osdmap->is_up(pg_whoami.osd)) {
psdout(10) << __func__ << " osd transitioned from down -> up"
<< dendl;
return true;
}
return false;
}
/* Called before initializing peering during advance_map */
void PeeringState::start_peering_interval(
const OSDMapRef lastmap,
const vector<int>& newup, int new_up_primary,
const vector<int>& newacting, int new_acting_primary,
ObjectStore::Transaction &t)
{
const OSDMapRef osdmap = get_osdmap();
set_last_peering_reset();
vector<int> oldacting, oldup;
int oldrole = get_role();
if (is_primary()) {
pl->clear_ready_to_merge();
}
pg_shard_t old_acting_primary = get_primary();
pg_shard_t old_up_primary = up_primary;
bool was_old_primary = is_primary();
bool was_old_nonprimary = is_nonprimary();
acting.swap(oldacting);
up.swap(oldup);
init_primary_up_acting(
newup,
newacting,
new_up_primary,
new_acting_primary);
if (info.stats.up != up ||
info.stats.acting != acting ||
info.stats.up_primary != new_up_primary ||
info.stats.acting_primary != new_acting_primary) {
info.stats.up = up;
info.stats.up_primary = new_up_primary;
info.stats.acting = acting;
info.stats.acting_primary = new_acting_primary;
info.stats.mapping_epoch = osdmap->get_epoch();
}
pl->clear_publish_stats();
// This will now be remapped during a backfill in cases
// that it would not have been before.
if (up != acting)
state_set(PG_STATE_REMAPPED);
else
state_clear(PG_STATE_REMAPPED);
int role = osdmap->calc_pg_role(pg_whoami, acting);
set_role(role);
// did acting, up, primary|acker change?
if (!lastmap) {
psdout(10) << " no lastmap" << dendl;
dirty_info = true;
dirty_big_info = true;
info.history.same_interval_since = osdmap->get_epoch();
} else {
std::stringstream debug;
ceph_assert(info.history.same_interval_since != 0);
bool new_interval = PastIntervals::check_new_interval(
old_acting_primary.osd,
new_acting_primary,
oldacting, newacting,
old_up_primary.osd,
new_up_primary,
oldup, newup,
info.history.same_interval_since,
info.history.last_epoch_clean,
osdmap.get(),
lastmap.get(),
info.pgid.pgid,
missing_loc.get_recoverable_predicate(),
&past_intervals,
&debug);
psdout(10) << __func__ << ": check_new_interval output: "
<< debug.str() << dendl;
if (new_interval) {
if (osdmap->get_epoch() == pl->oldest_stored_osdmap() &&
info.history.last_epoch_clean < osdmap->get_epoch()) {
psdout(10) << " map gap, clearing past_intervals and faking" << dendl;
// our information is incomplete and useless; someone else was clean
// after everything we know if osdmaps were trimmed.
past_intervals.clear();
} else {
psdout(10) << " noting past " << past_intervals << dendl;
}
dirty_info = true;
dirty_big_info = true;
info.history.same_interval_since = osdmap->get_epoch();
if (osdmap->have_pg_pool(info.pgid.pgid.pool()) &&
info.pgid.pgid.is_split(lastmap->get_pg_num(info.pgid.pgid.pool()),
osdmap->get_pg_num(info.pgid.pgid.pool()),
nullptr)) {
info.history.last_epoch_split = osdmap->get_epoch();
}
}
}
if (old_up_primary != up_primary ||
oldup != up) {
info.history.same_up_since = osdmap->get_epoch();
}
// this comparison includes primary rank via pg_shard_t
if (old_acting_primary != get_primary()) {
info.history.same_primary_since = osdmap->get_epoch();
}
on_new_interval();
pl->on_info_history_change();
psdout(1) << __func__ << " up " << oldup << " -> " << up
<< ", acting " << oldacting << " -> " << acting
<< ", acting_primary " << old_acting_primary << " -> "
<< new_acting_primary
<< ", up_primary " << old_up_primary << " -> " << new_up_primary
<< ", role " << oldrole << " -> " << role
<< ", features acting " << acting_features
<< " upacting " << upacting_features
<< dendl;
// deactivate.
state_clear(PG_STATE_ACTIVE);
state_clear(PG_STATE_PEERED);
state_clear(PG_STATE_PREMERGE);
state_clear(PG_STATE_DOWN);
state_clear(PG_STATE_RECOVERY_WAIT);
state_clear(PG_STATE_RECOVERY_TOOFULL);
state_clear(PG_STATE_RECOVERING);
peer_purged.clear();
acting_recovery_backfill.clear();
// reset primary/replica state?
if (was_old_primary || is_primary()) {
pl->clear_want_pg_temp();
} else if (was_old_nonprimary || is_nonprimary()) {
pl->clear_want_pg_temp();
}
clear_primary_state();
pl->on_change(t);
ceph_assert(!deleting);
// should we tell the primary we are here?
send_notify = !is_primary();
if (role != oldrole ||
was_old_primary != is_primary()) {
// did primary change?
if (was_old_primary != is_primary()) {
state_clear(PG_STATE_CLEAN);
}
pl->on_role_change();
} else {
// no role change.
// did primary change?
if (get_primary() != old_acting_primary) {
psdout(10) << oldacting << " -> " << acting
<< ", acting primary "
<< old_acting_primary << " -> " << get_primary()
<< dendl;
} else {
// primary is the same.
if (is_primary()) {
// i am (still) primary. but my replica set changed.
state_clear(PG_STATE_CLEAN);
psdout(10) << oldacting << " -> " << acting
<< ", replicas changed" << dendl;
}
}
}
if (acting.empty() && !up.empty() && up_primary == pg_whoami) {
psdout(10) << " acting empty, but i am up[0], clearing pg_temp" << dendl;
pl->queue_want_pg_temp(acting);
}
}
void PeeringState::on_new_interval()
{
dout(20) << __func__ << dendl;
const OSDMapRef osdmap = get_osdmap();
// initialize features
acting_features = CEPH_FEATURES_SUPPORTED_DEFAULT;
upacting_features = CEPH_FEATURES_SUPPORTED_DEFAULT;
for (auto p = acting.begin(); p != acting.end(); ++p) {
if (*p == CRUSH_ITEM_NONE)
continue;
uint64_t f = osdmap->get_xinfo(*p).features;
acting_features &= f;
upacting_features &= f;
}
for (auto p = up.begin(); p != up.end(); ++p) {
if (*p == CRUSH_ITEM_NONE)
continue;
upacting_features &= osdmap->get_xinfo(*p).features;
}
psdout(20) << __func__ << " upacting_features 0x" << std::hex
<< upacting_features << std::dec
<< " from " << acting << "+" << up << dendl;
psdout(20) << __func__ << " checking missing set deletes flag. missing = "
<< get_pg_log().get_missing() << dendl;
if (!pg_log.get_missing().may_include_deletes &&
!perform_deletes_during_peering()) {
pl->rebuild_missing_set_with_deletes(pg_log);
}
ceph_assert(
pg_log.get_missing().may_include_deletes ==
!perform_deletes_during_peering());
init_hb_stamps();
// update lease bounds for a new interval
auto mnow = pl->get_mnow();
prior_readable_until_ub = std::max(prior_readable_until_ub,
readable_until_ub);
prior_readable_until_ub = info.history.refresh_prior_readable_until_ub(
mnow, prior_readable_until_ub);
psdout(10) << __func__ << " prior_readable_until_ub "
<< prior_readable_until_ub << " (mnow " << mnow << " + "
<< info.history.prior_readable_until_ub << ")" << dendl;
prior_readable_down_osds.clear(); // we populate this when we build the priorset
readable_until =
readable_until_ub =
readable_until_ub_sent =
readable_until_ub_from_primary = ceph::signedspan::zero();
acting_readable_until_ub.clear();
if (is_primary()) {
acting_readable_until_ub.resize(acting.size(), ceph::signedspan::zero());
}
pl->on_new_interval();
}
void PeeringState::init_primary_up_acting(
const vector<int> &newup,
const vector<int> &newacting,
int new_up_primary,
int new_acting_primary)
{
actingset.clear();
acting = newacting;
for (uint8_t i = 0; i < acting.size(); ++i) {
if (acting[i] != CRUSH_ITEM_NONE)
actingset.insert(
pg_shard_t(
acting[i],
pool.info.is_erasure() ? shard_id_t(i) : shard_id_t::NO_SHARD));
}
upset.clear();
up = newup;
for (uint8_t i = 0; i < up.size(); ++i) {
if (up[i] != CRUSH_ITEM_NONE)
upset.insert(
pg_shard_t(
up[i],
pool.info.is_erasure() ? shard_id_t(i) : shard_id_t::NO_SHARD));
}
if (!pool.info.is_erasure()) {
// replicated
up_primary = pg_shard_t(new_up_primary, shard_id_t::NO_SHARD);
primary = pg_shard_t(new_acting_primary, shard_id_t::NO_SHARD);
} else {
// erasure
up_primary = pg_shard_t();
primary = pg_shard_t();
for (uint8_t i = 0; i < up.size(); ++i) {
if (up[i] == new_up_primary) {
up_primary = pg_shard_t(up[i], shard_id_t(i));
break;
}
}
for (uint8_t i = 0; i < acting.size(); ++i) {
if (acting[i] == new_acting_primary) {
primary = pg_shard_t(acting[i], shard_id_t(i));
break;
}
}
ceph_assert(up_primary.osd == new_up_primary);
ceph_assert(primary.osd == new_acting_primary);
}
}
void PeeringState::init_hb_stamps()
{
if (is_primary()) {
// we care about all other osds in the acting set
hb_stamps.resize(acting.size() - 1);
unsigned i = 0;
for (auto p : acting) {
if (p == CRUSH_ITEM_NONE || p == get_primary().osd) {
continue;
}
hb_stamps[i++] = pl->get_hb_stamps(p);
}
hb_stamps.resize(i);
} else if (is_nonprimary()) {
// we care about just the primary
hb_stamps.resize(1);
hb_stamps[0] = pl->get_hb_stamps(get_primary().osd);
} else {
hb_stamps.clear();
}
dout(10) << __func__ << " now " << hb_stamps << dendl;
}
void PeeringState::clear_recovery_state()
{
async_recovery_targets.clear();
backfill_targets.clear();
}
void PeeringState::clear_primary_state()
{
psdout(10) << "clear_primary_state" << dendl;
// clear peering state
stray_set.clear();
peer_log_requested.clear();
peer_missing_requested.clear();
peer_info.clear();
peer_bytes.clear();
peer_missing.clear();
peer_last_complete_ondisk.clear();
peer_activated.clear();
min_last_complete_ondisk = eversion_t();
pg_trim_to = eversion_t();
might_have_unfound.clear();
need_up_thru = false;
missing_loc.clear();
pg_log.reset_recovery_pointers();
clear_recovery_state();
last_update_ondisk = eversion_t();
missing_loc.clear();
pl->clear_primary_state();
}
/// return [start,end) bounds for required past_intervals
static pair<epoch_t, epoch_t> get_required_past_interval_bounds(
const pg_info_t &info,
epoch_t oldest_map) {
epoch_t start = std::max(
info.history.last_epoch_clean ? info.history.last_epoch_clean :
info.history.epoch_pool_created,
oldest_map);
epoch_t end = std::max(
info.history.same_interval_since,
info.history.epoch_pool_created);
return make_pair(start, end);
}
void PeeringState::check_past_interval_bounds() const
{
auto oldest_epoch = pl->oldest_stored_osdmap();
auto rpib = get_required_past_interval_bounds(
info,
oldest_epoch);
if (rpib.first >= rpib.second) {
// do not warn if the start bound is dictated by oldest_map; the
// past intervals are presumably appropriate given the pg info.
if (!past_intervals.empty() &&
rpib.first > oldest_epoch) {
pl->get_clog_error() << info.pgid << " required past_interval bounds are"
<< " empty [" << rpib << ") but past_intervals is not: "
<< past_intervals;
derr << info.pgid << " required past_interval bounds are"
<< " empty [" << rpib << ") but past_intervals is not: "
<< past_intervals << dendl;
}
} else {
if (past_intervals.empty()) {
pl->get_clog_error() << info.pgid << " required past_interval bounds are"
<< " not empty [" << rpib << ") but past_intervals "
<< past_intervals << " is empty";
derr << info.pgid << " required past_interval bounds are"
<< " not empty [" << rpib << ") but past_intervals "
<< past_intervals << " is empty" << dendl;
ceph_assert(!past_intervals.empty());
}
auto apib = past_intervals.get_bounds();
if (apib.first > rpib.first) {
pl->get_clog_error() << info.pgid << " past_intervals [" << apib
<< ") start interval does not contain the required"
<< " bound [" << rpib << ") start";
derr << info.pgid << " past_intervals [" << apib
<< ") start interval does not contain the required"
<< " bound [" << rpib << ") start" << dendl;
ceph_abort_msg("past_interval start interval mismatch");
}
if (apib.second != rpib.second) {
pl->get_clog_error() << info.pgid << " past_interal bound [" << apib
<< ") end does not match required [" << rpib
<< ") end";
derr << info.pgid << " past_interal bound [" << apib
<< ") end does not match required [" << rpib
<< ") end" << dendl;
ceph_abort_msg("past_interval end mismatch");
}
}
}
int PeeringState::clamp_recovery_priority(int priority, int pool_recovery_priority, int max)
{
static_assert(OSD_RECOVERY_PRIORITY_MIN < OSD_RECOVERY_PRIORITY_MAX, "Invalid priority range");
static_assert(OSD_RECOVERY_PRIORITY_MIN >= 0, "Priority range must match unsigned type");
ceph_assert(max <= OSD_RECOVERY_PRIORITY_MAX);