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PGMap.cc
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PGMap.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 <boost/algorithm/string.hpp>
#include "PGMap.h"
#define dout_subsys ceph_subsys_mon
#include "common/debug.h"
#include "common/Formatter.h"
#include "include/ceph_features.h"
#include "include/stringify.h"
#include "osd/osd_types.h"
#include "osd/OSDMap.h"
#define dout_context g_ceph_context
MEMPOOL_DEFINE_OBJECT_FACTORY(PGMapDigest, pgmap_digest, pgmap);
MEMPOOL_DEFINE_OBJECT_FACTORY(PGMap, pgmap, pgmap);
MEMPOOL_DEFINE_OBJECT_FACTORY(PGMap::Incremental, pgmap_inc, pgmap);
// ---------------------
// PGMapDigest
void PGMapDigest::encode(bufferlist& bl, uint64_t features) const
{
// NOTE: see PGMap::encode_digest
uint8_t v = 3;
if (!HAVE_FEATURE(features, SERVER_MIMIC)) {
v = 1;
}
ENCODE_START(v, 1, bl);
encode(num_pg, bl);
encode(num_pg_active, bl);
encode(num_pg_unknown, bl);
encode(num_osd, bl);
encode(pg_pool_sum, bl, features);
encode(pg_sum, bl, features);
encode(osd_sum, bl, features);
if (v >= 2) {
encode(num_pg_by_state, bl);
} else {
uint32_t n = num_pg_by_state.size();
encode(n, bl);
for (auto p : num_pg_by_state) {
encode((uint32_t)p.first, bl);
encode(p.second, bl);
}
}
encode(num_pg_by_osd, bl);
encode(num_pg_by_pool, bl);
encode(osd_last_seq, bl);
encode(per_pool_sum_delta, bl, features);
encode(per_pool_sum_deltas_stamps, bl);
encode(pg_sum_delta, bl, features);
encode(stamp_delta, bl);
encode(avail_space_by_rule, bl);
if (struct_v >= 3) {
encode(purged_snaps, bl);
}
ENCODE_FINISH(bl);
}
void PGMapDigest::decode(bufferlist::const_iterator& p)
{
DECODE_START(3, p);
decode(num_pg, p);
decode(num_pg_active, p);
decode(num_pg_unknown, p);
decode(num_osd, p);
decode(pg_pool_sum, p);
decode(pg_sum, p);
decode(osd_sum, p);
if (struct_v >= 2) {
decode(num_pg_by_state, p);
} else {
map<int32_t, int32_t> nps;
decode(nps, p);
num_pg_by_state.clear();
for (auto i : nps) {
num_pg_by_state[i.first] = i.second;
}
}
decode(num_pg_by_osd, p);
decode(num_pg_by_pool, p);
decode(osd_last_seq, p);
decode(per_pool_sum_delta, p);
decode(per_pool_sum_deltas_stamps, p);
decode(pg_sum_delta, p);
decode(stamp_delta, p);
decode(avail_space_by_rule, p);
if (struct_v >= 3) {
decode(purged_snaps, p);
}
DECODE_FINISH(p);
}
void PGMapDigest::dump(Formatter *f) const
{
f->dump_unsigned("num_pg", num_pg);
f->dump_unsigned("num_pg_active", num_pg_active);
f->dump_unsigned("num_pg_unknown", num_pg_unknown);
f->dump_unsigned("num_osd", num_osd);
f->dump_object("pool_sum", pg_sum);
f->dump_object("osd_sum", osd_sum);
f->open_array_section("pool_stats");
for (auto& p : pg_pool_sum) {
f->open_object_section("pool_stat");
f->dump_int("poolid", p.first);
auto q = num_pg_by_pool.find(p.first);
if (q != num_pg_by_pool.end())
f->dump_unsigned("num_pg", q->second);
p.second.dump(f);
f->close_section();
}
f->close_section();
f->open_array_section("osd_stats");
int i = 0;
// TODO: this isn't really correct since we can dump non-existent OSDs
// I dunno what osd_last_seq is set to in that case...
for (auto& p : osd_last_seq) {
f->open_object_section("osd_stat");
f->dump_int("osd", i);
f->dump_unsigned("seq", p);
f->close_section();
++i;
}
f->close_section();
f->open_array_section("num_pg_by_state");
for (auto& p : num_pg_by_state) {
f->open_object_section("count");
f->dump_string("state", pg_state_string(p.first));
f->dump_unsigned("num", p.second);
f->close_section();
}
f->close_section();
f->open_array_section("num_pg_by_osd");
for (auto& p : num_pg_by_osd) {
f->open_object_section("count");
f->dump_unsigned("osd", p.first);
f->dump_unsigned("num_primary_pg", p.second.primary);
f->dump_unsigned("num_acting_pg", p.second.acting);
f->dump_unsigned("num_up_pg", p.second.up);
f->close_section();
}
f->close_section();
f->open_array_section("purged_snaps");
for (auto& j : purged_snaps) {
f->open_object_section("pool");
f->dump_int("pool", j.first);
f->open_object_section("purged_snaps");
for (auto i = j.second.begin(); i != j.second.end(); ++i) {
f->open_object_section("interval");
f->dump_stream("start") << i.get_start();
f->dump_stream("length") << i.get_len();
f->close_section();
}
f->close_section();
f->close_section();
}
f->close_section();
}
void PGMapDigest::generate_test_instances(list<PGMapDigest*>& ls)
{
ls.push_back(new PGMapDigest);
}
inline std::string percentify(const float& a) {
std::stringstream ss;
if (a < 0.01)
ss << "0";
else
ss << std::fixed << std::setprecision(2) << a;
return ss.str();
}
void PGMapDigest::print_summary(Formatter *f, ostream *out) const
{
if (f)
f->open_array_section("pgs_by_state");
// list is descending numeric order (by count)
multimap<int,int> state_by_count; // count -> state
for (auto p = num_pg_by_state.begin();
p != num_pg_by_state.end();
++p) {
state_by_count.insert(make_pair(p->second, p->first));
}
if (f) {
for (auto p = state_by_count.rbegin();
p != state_by_count.rend();
++p)
{
f->open_object_section("pgs_by_state_element");
f->dump_string("state_name", pg_state_string(p->second));
f->dump_unsigned("count", p->first);
f->close_section();
}
}
if (f)
f->close_section();
if (f) {
f->dump_unsigned("num_pgs", num_pg);
f->dump_unsigned("num_pools", pg_pool_sum.size());
f->dump_unsigned("num_objects", pg_sum.stats.sum.num_objects);
f->dump_unsigned("data_bytes", pg_sum.stats.sum.num_bytes);
f->dump_unsigned("bytes_used", osd_sum.statfs.get_used_raw());
f->dump_unsigned("bytes_avail", osd_sum.statfs.available);
f->dump_unsigned("bytes_total", osd_sum.statfs.total);
} else {
*out << " pools: " << pg_pool_sum.size() << " pools, "
<< num_pg << " pgs\n";
*out << " objects: " << si_u_t(pg_sum.stats.sum.num_objects) << " objects, "
<< byte_u_t(pg_sum.stats.sum.num_bytes) << "\n";
*out << " usage: "
<< byte_u_t(osd_sum.statfs.get_used_raw()) << " used, "
<< byte_u_t(osd_sum.statfs.available) << " / "
<< byte_u_t(osd_sum.statfs.total) << " avail\n";
*out << " pgs: ";
}
bool pad = false;
if (num_pg_unknown > 0) {
float p = (float)num_pg_unknown / (float)num_pg;
if (f) {
f->dump_float("unknown_pgs_ratio", p);
} else {
char b[20];
snprintf(b, sizeof(b), "%.3lf", p * 100.0);
*out << b << "% pgs unknown\n";
pad = true;
}
}
int num_pg_inactive = num_pg - num_pg_active - num_pg_unknown;
if (num_pg_inactive > 0) {
float p = (float)num_pg_inactive / (float)num_pg;
if (f) {
f->dump_float("inactive_pgs_ratio", p);
} else {
if (pad) {
*out << " ";
}
char b[20];
snprintf(b, sizeof(b), "%.3f", p * 100.0);
*out << b << "% pgs not active\n";
pad = true;
}
}
list<string> sl;
overall_recovery_summary(f, &sl);
if (!f && !sl.empty()) {
for (auto p = sl.begin(); p != sl.end(); ++p) {
if (pad) {
*out << " ";
}
*out << *p << "\n";
pad = true;
}
}
sl.clear();
if (!f) {
unsigned max_width = 1;
for (multimap<int,int>::reverse_iterator p = state_by_count.rbegin();
p != state_by_count.rend();
++p)
{
std::stringstream ss;
ss << p->first;
max_width = std::max<size_t>(ss.str().size(), max_width);
}
for (multimap<int,int>::reverse_iterator p = state_by_count.rbegin();
p != state_by_count.rend();
++p)
{
if (pad) {
*out << " ";
}
pad = true;
out->setf(std::ios::left);
*out << std::setw(max_width) << p->first
<< " " << pg_state_string(p->second) << "\n";
out->unsetf(std::ios::left);
}
}
ostringstream ss_rec_io;
overall_recovery_rate_summary(f, &ss_rec_io);
ostringstream ss_client_io;
overall_client_io_rate_summary(f, &ss_client_io);
ostringstream ss_cache_io;
overall_cache_io_rate_summary(f, &ss_cache_io);
if (!f && (ss_client_io.str().length() || ss_rec_io.str().length()
|| ss_cache_io.str().length())) {
*out << "\n \n";
*out << " io:\n";
}
if (!f && ss_client_io.str().length())
*out << " client: " << ss_client_io.str() << "\n";
if (!f && ss_rec_io.str().length())
*out << " recovery: " << ss_rec_io.str() << "\n";
if (!f && ss_cache_io.str().length())
*out << " cache: " << ss_cache_io.str() << "\n";
}
void PGMapDigest::print_oneline_summary(Formatter *f, ostream *out) const
{
std::stringstream ss;
if (f)
f->open_array_section("num_pg_by_state");
for (auto p = num_pg_by_state.begin();
p != num_pg_by_state.end();
++p) {
if (f) {
f->open_object_section("state");
f->dump_string("name", pg_state_string(p->first));
f->dump_unsigned("num", p->second);
f->close_section();
}
if (p != num_pg_by_state.begin())
ss << ", ";
ss << p->second << " " << pg_state_string(p->first);
}
if (f)
f->close_section();
string states = ss.str();
if (out)
*out << num_pg << " pgs: "
<< states << "; "
<< byte_u_t(pg_sum.stats.sum.num_bytes) << " data, "
<< byte_u_t(osd_sum.statfs.get_used_raw()) << " used, "
<< byte_u_t(osd_sum.statfs.available) << " / "
<< byte_u_t(osd_sum.statfs.total) << " avail";
if (f) {
f->dump_unsigned("num_pgs", num_pg);
f->dump_unsigned("num_bytes", pg_sum.stats.sum.num_bytes);
f->dump_unsigned("raw_bytes_used", osd_sum.statfs.get_used_raw());
f->dump_unsigned("raw_bytes_avail", osd_sum.statfs.available);
f->dump_unsigned("raw_bytes", osd_sum.statfs.total);
}
// make non-negative; we can get negative values if osds send
// uncommitted stats and then "go backward" or if they are just
// buggy/wrong.
pool_stat_t pos_delta = pg_sum_delta;
pos_delta.floor(0);
if (pos_delta.stats.sum.num_rd ||
pos_delta.stats.sum.num_wr) {
if (out)
*out << "; ";
if (pos_delta.stats.sum.num_rd) {
int64_t rd = (pos_delta.stats.sum.num_rd_kb << 10) / (double)stamp_delta;
if (out)
*out << byte_u_t(rd) << "/s rd, ";
if (f)
f->dump_unsigned("read_bytes_sec", rd);
}
if (pos_delta.stats.sum.num_wr) {
int64_t wr = (pos_delta.stats.sum.num_wr_kb << 10) / (double)stamp_delta;
if (out)
*out << byte_u_t(wr) << "/s wr, ";
if (f)
f->dump_unsigned("write_bytes_sec", wr);
}
int64_t iops = (pos_delta.stats.sum.num_rd + pos_delta.stats.sum.num_wr) / (double)stamp_delta;
if (out)
*out << si_u_t(iops) << " op/s";
if (f)
f->dump_unsigned("io_sec", iops);
}
list<string> sl;
overall_recovery_summary(f, &sl);
if (out)
for (auto p = sl.begin(); p != sl.end(); ++p)
*out << "; " << *p;
std::stringstream ssr;
overall_recovery_rate_summary(f, &ssr);
if (out && ssr.str().length())
*out << "; " << ssr.str() << " recovering";
}
void PGMapDigest::get_recovery_stats(
double *misplaced_ratio,
double *degraded_ratio,
double *inactive_pgs_ratio,
double *unknown_pgs_ratio) const
{
if (pg_sum.stats.sum.num_objects_degraded &&
pg_sum.stats.sum.num_object_copies > 0) {
*degraded_ratio = (double)pg_sum.stats.sum.num_objects_degraded /
(double)pg_sum.stats.sum.num_object_copies;
} else {
*degraded_ratio = 0;
}
if (pg_sum.stats.sum.num_objects_misplaced &&
pg_sum.stats.sum.num_object_copies > 0) {
*misplaced_ratio = (double)pg_sum.stats.sum.num_objects_misplaced /
(double)pg_sum.stats.sum.num_object_copies;
} else {
*misplaced_ratio = 0;
}
if (num_pg > 0) {
int num_pg_inactive = num_pg - num_pg_active - num_pg_unknown;
*inactive_pgs_ratio = (double)num_pg_inactive / (double)num_pg;
*unknown_pgs_ratio = (double)num_pg_unknown / (double)num_pg;
} else {
*inactive_pgs_ratio = 0;
*unknown_pgs_ratio = 0;
}
}
void PGMapDigest::recovery_summary(Formatter *f, list<string> *psl,
const pool_stat_t& pool_sum) const
{
if (pool_sum.stats.sum.num_objects_degraded && pool_sum.stats.sum.num_object_copies > 0) {
double pc = (double)pool_sum.stats.sum.num_objects_degraded /
(double)pool_sum.stats.sum.num_object_copies * (double)100.0;
char b[20];
snprintf(b, sizeof(b), "%.3lf", pc);
if (f) {
f->dump_unsigned("degraded_objects", pool_sum.stats.sum.num_objects_degraded);
f->dump_unsigned("degraded_total", pool_sum.stats.sum.num_object_copies);
f->dump_float("degraded_ratio", pc / 100.0);
} else {
ostringstream ss;
ss << pool_sum.stats.sum.num_objects_degraded
<< "/" << pool_sum.stats.sum.num_object_copies << " objects degraded (" << b << "%)";
psl->push_back(ss.str());
}
}
if (pool_sum.stats.sum.num_objects_misplaced && pool_sum.stats.sum.num_object_copies > 0) {
double pc = (double)pool_sum.stats.sum.num_objects_misplaced /
(double)pool_sum.stats.sum.num_object_copies * (double)100.0;
char b[20];
snprintf(b, sizeof(b), "%.3lf", pc);
if (f) {
f->dump_unsigned("misplaced_objects", pool_sum.stats.sum.num_objects_misplaced);
f->dump_unsigned("misplaced_total", pool_sum.stats.sum.num_object_copies);
f->dump_float("misplaced_ratio", pc / 100.0);
} else {
ostringstream ss;
ss << pool_sum.stats.sum.num_objects_misplaced
<< "/" << pool_sum.stats.sum.num_object_copies << " objects misplaced (" << b << "%)";
psl->push_back(ss.str());
}
}
if (pool_sum.stats.sum.num_objects_unfound && pool_sum.stats.sum.num_objects) {
double pc = (double)pool_sum.stats.sum.num_objects_unfound /
(double)pool_sum.stats.sum.num_objects * (double)100.0;
char b[20];
snprintf(b, sizeof(b), "%.3lf", pc);
if (f) {
f->dump_unsigned("unfound_objects", pool_sum.stats.sum.num_objects_unfound);
f->dump_unsigned("unfound_total", pool_sum.stats.sum.num_objects);
f->dump_float("unfound_ratio", pc / 100.0);
} else {
ostringstream ss;
ss << pool_sum.stats.sum.num_objects_unfound
<< "/" << pool_sum.stats.sum.num_objects << " objects unfound (" << b << "%)";
psl->push_back(ss.str());
}
}
}
void PGMapDigest::recovery_rate_summary(Formatter *f, ostream *out,
const pool_stat_t& delta_sum,
utime_t delta_stamp) const
{
// make non-negative; we can get negative values if osds send
// uncommitted stats and then "go backward" or if they are just
// buggy/wrong.
pool_stat_t pos_delta = delta_sum;
pos_delta.floor(0);
if (pos_delta.stats.sum.num_objects_recovered ||
pos_delta.stats.sum.num_bytes_recovered ||
pos_delta.stats.sum.num_keys_recovered) {
int64_t objps = pos_delta.stats.sum.num_objects_recovered / (double)delta_stamp;
int64_t bps = pos_delta.stats.sum.num_bytes_recovered / (double)delta_stamp;
int64_t kps = pos_delta.stats.sum.num_keys_recovered / (double)delta_stamp;
if (f) {
f->dump_int("recovering_objects_per_sec", objps);
f->dump_int("recovering_bytes_per_sec", bps);
f->dump_int("recovering_keys_per_sec", kps);
f->dump_int("num_objects_recovered", pos_delta.stats.sum.num_objects_recovered);
f->dump_int("num_bytes_recovered", pos_delta.stats.sum.num_bytes_recovered);
f->dump_int("num_keys_recovered", pos_delta.stats.sum.num_keys_recovered);
} else {
*out << byte_u_t(bps) << "/s";
if (pos_delta.stats.sum.num_keys_recovered)
*out << ", " << si_u_t(kps) << " keys/s";
*out << ", " << si_u_t(objps) << " objects/s";
}
}
}
void PGMapDigest::overall_recovery_rate_summary(Formatter *f, ostream *out) const
{
recovery_rate_summary(f, out, pg_sum_delta, stamp_delta);
}
void PGMapDigest::overall_recovery_summary(Formatter *f, list<string> *psl) const
{
recovery_summary(f, psl, pg_sum);
}
void PGMapDigest::pool_recovery_rate_summary(Formatter *f, ostream *out,
uint64_t poolid) const
{
auto p = per_pool_sum_delta.find(poolid);
if (p == per_pool_sum_delta.end())
return;
auto ts = per_pool_sum_deltas_stamps.find(p->first);
ceph_assert(ts != per_pool_sum_deltas_stamps.end());
recovery_rate_summary(f, out, p->second.first, ts->second);
}
void PGMapDigest::pool_recovery_summary(Formatter *f, list<string> *psl,
uint64_t poolid) const
{
auto p = pg_pool_sum.find(poolid);
if (p == pg_pool_sum.end())
return;
recovery_summary(f, psl, p->second);
}
void PGMapDigest::client_io_rate_summary(Formatter *f, ostream *out,
const pool_stat_t& delta_sum,
utime_t delta_stamp) const
{
pool_stat_t pos_delta = delta_sum;
pos_delta.floor(0);
if (pos_delta.stats.sum.num_rd ||
pos_delta.stats.sum.num_wr) {
if (pos_delta.stats.sum.num_rd) {
int64_t rd = (pos_delta.stats.sum.num_rd_kb << 10) / (double)delta_stamp;
if (f) {
f->dump_int("read_bytes_sec", rd);
} else {
*out << byte_u_t(rd) << "/s rd, ";
}
}
if (pos_delta.stats.sum.num_wr) {
int64_t wr = (pos_delta.stats.sum.num_wr_kb << 10) / (double)delta_stamp;
if (f) {
f->dump_int("write_bytes_sec", wr);
} else {
*out << byte_u_t(wr) << "/s wr, ";
}
}
int64_t iops_rd = pos_delta.stats.sum.num_rd / (double)delta_stamp;
int64_t iops_wr = pos_delta.stats.sum.num_wr / (double)delta_stamp;
if (f) {
f->dump_int("read_op_per_sec", iops_rd);
f->dump_int("write_op_per_sec", iops_wr);
} else {
*out << si_u_t(iops_rd) << " op/s rd, " << si_u_t(iops_wr) << " op/s wr";
}
}
}
void PGMapDigest::overall_client_io_rate_summary(Formatter *f, ostream *out) const
{
client_io_rate_summary(f, out, pg_sum_delta, stamp_delta);
}
void PGMapDigest::pool_client_io_rate_summary(Formatter *f, ostream *out,
uint64_t poolid) const
{
auto p = per_pool_sum_delta.find(poolid);
if (p == per_pool_sum_delta.end())
return;
auto ts = per_pool_sum_deltas_stamps.find(p->first);
ceph_assert(ts != per_pool_sum_deltas_stamps.end());
client_io_rate_summary(f, out, p->second.first, ts->second);
}
void PGMapDigest::cache_io_rate_summary(Formatter *f, ostream *out,
const pool_stat_t& delta_sum,
utime_t delta_stamp) const
{
pool_stat_t pos_delta = delta_sum;
pos_delta.floor(0);
bool have_output = false;
if (pos_delta.stats.sum.num_flush) {
int64_t flush = (pos_delta.stats.sum.num_flush_kb << 10) / (double)delta_stamp;
if (f) {
f->dump_int("flush_bytes_sec", flush);
} else {
*out << byte_u_t(flush) << "/s flush";
have_output = true;
}
}
if (pos_delta.stats.sum.num_evict) {
int64_t evict = (pos_delta.stats.sum.num_evict_kb << 10) / (double)delta_stamp;
if (f) {
f->dump_int("evict_bytes_sec", evict);
} else {
if (have_output)
*out << ", ";
*out << byte_u_t(evict) << "/s evict";
have_output = true;
}
}
if (pos_delta.stats.sum.num_promote) {
int64_t promote = pos_delta.stats.sum.num_promote / (double)delta_stamp;
if (f) {
f->dump_int("promote_op_per_sec", promote);
} else {
if (have_output)
*out << ", ";
*out << si_u_t(promote) << " op/s promote";
have_output = true;
}
}
if (pos_delta.stats.sum.num_flush_mode_low) {
if (f) {
f->dump_int("num_flush_mode_low", pos_delta.stats.sum.num_flush_mode_low);
} else {
if (have_output)
*out << ", ";
*out << si_u_t(pos_delta.stats.sum.num_flush_mode_low) << " PGs flushing";
have_output = true;
}
}
if (pos_delta.stats.sum.num_flush_mode_high) {
if (f) {
f->dump_int("num_flush_mode_high", pos_delta.stats.sum.num_flush_mode_high);
} else {
if (have_output)
*out << ", ";
*out << si_u_t(pos_delta.stats.sum.num_flush_mode_high) << " PGs flushing (high)";
have_output = true;
}
}
if (pos_delta.stats.sum.num_evict_mode_some) {
if (f) {
f->dump_int("num_evict_mode_some", pos_delta.stats.sum.num_evict_mode_some);
} else {
if (have_output)
*out << ", ";
*out << si_u_t(pos_delta.stats.sum.num_evict_mode_some) << " PGs evicting";
have_output = true;
}
}
if (pos_delta.stats.sum.num_evict_mode_full) {
if (f) {
f->dump_int("num_evict_mode_full", pos_delta.stats.sum.num_evict_mode_full);
} else {
if (have_output)
*out << ", ";
*out << si_u_t(pos_delta.stats.sum.num_evict_mode_full) << " PGs evicting (full)";
}
}
}
void PGMapDigest::overall_cache_io_rate_summary(Formatter *f, ostream *out) const
{
cache_io_rate_summary(f, out, pg_sum_delta, stamp_delta);
}
void PGMapDigest::pool_cache_io_rate_summary(Formatter *f, ostream *out,
uint64_t poolid) const
{
auto p = per_pool_sum_delta.find(poolid);
if (p == per_pool_sum_delta.end())
return;
auto ts = per_pool_sum_deltas_stamps.find(p->first);
ceph_assert(ts != per_pool_sum_deltas_stamps.end());
cache_io_rate_summary(f, out, p->second.first, ts->second);
}
static float pool_raw_used_rate(const OSDMap &osd_map, int64_t poolid)
{
const pg_pool_t *pool = osd_map.get_pg_pool(poolid);
switch (pool->get_type()) {
case pg_pool_t::TYPE_REPLICATED:
return pool->get_size();
break;
case pg_pool_t::TYPE_ERASURE:
{
auto& ecp =
osd_map.get_erasure_code_profile(pool->erasure_code_profile);
auto pm = ecp.find("m");
auto pk = ecp.find("k");
if (pm != ecp.end() && pk != ecp.end()) {
int k = atoi(pk->second.c_str());
int m = atoi(pm->second.c_str());
int mk = m + k;
ceph_assert(mk != 0);
ceph_assert(k != 0);
return (float)mk / k;
} else {
return 0.0;
}
}
break;
default:
ceph_abort_msg("unrecognized pool type");
}
}
ceph_statfs PGMapDigest::get_statfs(OSDMap &osdmap,
boost::optional<int64_t> data_pool) const
{
ceph_statfs statfs;
bool filter = false;
object_stat_sum_t sum;
if (data_pool) {
auto i = pg_pool_sum.find(*data_pool);
if (i != pg_pool_sum.end()) {
sum = i->second.stats.sum;
filter = true;
}
}
if (filter) {
statfs.kb_used = (sum.num_bytes >> 10);
statfs.kb_avail = get_pool_free_space(osdmap, *data_pool) >> 10;
statfs.num_objects = sum.num_objects;
statfs.kb = statfs.kb_used + statfs.kb_avail;
} else {
// these are in KB.
statfs.kb = osd_sum.statfs.kb();
statfs.kb_used = osd_sum.statfs.kb_used_raw();
statfs.kb_avail = osd_sum.statfs.kb_avail();
statfs.num_objects = pg_sum.stats.sum.num_objects;
}
return statfs;
}
void PGMapDigest::dump_pool_stats_full(
const OSDMap &osd_map,
stringstream *ss,
Formatter *f,
bool verbose) const
{
TextTable tbl;
if (f) {
f->open_array_section("pools");
} else {
tbl.define_column("NAME", TextTable::LEFT, TextTable::LEFT);
tbl.define_column("ID", TextTable::LEFT, TextTable::LEFT);
if (verbose) {
tbl.define_column("QUOTA OBJECTS", TextTable::LEFT, TextTable::LEFT);
tbl.define_column("QUOTA BYTES", TextTable::LEFT, TextTable::LEFT);
}
tbl.define_column("USED", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("%USED", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("MAX AVAIL", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("OBJECTS", TextTable::LEFT, TextTable::RIGHT);
if (verbose) {
tbl.define_column("DIRTY", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("READ", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("WRITE", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("STORED", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("USED COMPR", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("UNDER COMPR", TextTable::LEFT, TextTable::RIGHT);
}
}
map<int,uint64_t> avail_by_rule;
for (auto p = osd_map.get_pools().begin();
p != osd_map.get_pools().end(); ++p) {
int64_t pool_id = p->first;
if ((pool_id < 0) || (pg_pool_sum.count(pool_id) == 0))
continue;
const string& pool_name = osd_map.get_pool_name(pool_id);
const pool_stat_t &stat = pg_pool_sum.at(pool_id);
const pg_pool_t *pool = osd_map.get_pg_pool(pool_id);
int ruleno = osd_map.crush->find_rule(pool->get_crush_rule(),
pool->get_type(),
pool->get_size());
int64_t avail;
if (avail_by_rule.count(ruleno) == 0) {
// FIXME: we don't guarantee avail_space_by_rule is up-to-date before this function is invoked
avail = get_rule_avail(ruleno);
if (avail < 0)
avail = 0;
avail_by_rule[ruleno] = avail;
} else {
avail = avail_by_rule[ruleno];
}
if (f) {
f->open_object_section("pool");
f->dump_string("name", pool_name);
f->dump_int("id", pool_id);
f->open_object_section("stats");
} else {
tbl << pool_name
<< pool_id;
if (verbose) {
if (pool->quota_max_objects == 0)
tbl << "N/A";
else
tbl << si_u_t(pool->quota_max_objects);
if (pool->quota_max_bytes == 0)
tbl << "N/A";
else
tbl << byte_u_t(pool->quota_max_bytes);
}
}
float raw_used_rate = ::pool_raw_used_rate(osd_map, pool_id);
dump_object_stat_sum(tbl, f, stat, avail, raw_used_rate, verbose, pool);
if (f)
f->close_section(); // stats
else
tbl << TextTable::endrow;
if (f)
f->close_section(); // pool
}
if (f)
f->close_section();
else {
ceph_assert(ss != nullptr);
*ss << "POOLS:\n";
tbl.set_indent(4);
*ss << tbl;
}
}
void PGMapDigest::dump_fs_stats(stringstream *ss, Formatter *f, bool verbose) const
{
auto total = osd_sum.statfs.total;
auto used_raw = osd_sum.statfs.get_used_raw();
float used = 0.0;
if (total > 0) {
used = ((float)used_raw / total);
}
if (f) {
f->open_object_section("stats");
f->dump_int("total_bytes", total);
f->dump_int("total_avail_bytes", osd_sum.statfs.available);
f->dump_int("total_used_bytes", osd_sum.statfs.get_used());
f->dump_int("total_used_raw_bytes", used_raw);
f->dump_float("total_percent_used", used * 100);
if (verbose) {
f->dump_int("total_objects", pg_sum.stats.sum.num_objects);
}
f->close_section();
} else {
ceph_assert(ss != nullptr);
TextTable tbl;
tbl.define_column("SIZE", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("AVAIL", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("USED", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("RAW USED", TextTable::LEFT, TextTable::RIGHT);
tbl.define_column("%RAW USED", TextTable::LEFT, TextTable::RIGHT);
if (verbose) {
tbl.define_column("OBJECTS", TextTable::LEFT, TextTable::RIGHT);
}
tbl << stringify(byte_u_t(total))
<< stringify(byte_u_t(osd_sum.statfs.available))
<< stringify(byte_u_t(osd_sum.statfs.get_used()))
<< stringify(byte_u_t(used_raw));
tbl << percentify(used*100);
if (verbose) {
tbl << stringify(si_u_t(pg_sum.stats.sum.num_objects));
}
tbl << TextTable::endrow;
*ss << "GLOBAL:\n";
tbl.set_indent(4);
*ss << tbl;
}
}
void PGMapDigest::dump_object_stat_sum(
TextTable &tbl, Formatter *f,
const pool_stat_t &pool_stat, uint64_t avail,
float raw_used_rate, bool verbose,
const pg_pool_t *pool)
{
const object_stat_sum_t &sum = pool_stat.stats.sum;
const store_statfs_t statfs = pool_stat.store_stats;
if (sum.num_object_copies > 0) {
raw_used_rate *= (float)(sum.num_object_copies - sum.num_objects_degraded) / sum.num_object_copies;
}
uint64_t used_bytes = pool_stat.get_allocated_bytes();
float used = 0.0;
// note avail passed in is raw_avail, calc raw_used here.
if (avail) {
used = used_bytes;
used /= used + avail;
} else if (used_bytes) {
used = 1.0;
}
auto avail_res = raw_used_rate ? avail / raw_used_rate : 0;
// an approximation for actually stored user data
auto stored_normalized = pool_stat.get_user_bytes(raw_used_rate);
if (f) {
f->dump_int("kb_used", shift_round_up(used_bytes, 10));
f->dump_int("bytes_used", used_bytes);
f->dump_float("percent_used", used);
f->dump_unsigned("max_avail", avail_res);
f->dump_int("objects", sum.num_objects);
if (verbose) {
f->dump_int("quota_objects", pool->quota_max_objects);
f->dump_int("quota_bytes", pool->quota_max_bytes);
f->dump_int("dirty", sum.num_objects_dirty);
f->dump_int("rd", sum.num_rd);
f->dump_int("rd_bytes", sum.num_rd_kb * 1024ull);
f->dump_int("wr", sum.num_wr);
f->dump_int("wr_bytes", sum.num_wr_kb * 1024ull);
f->dump_int("stored", stored_normalized);
f->dump_int("compress_bytes_used", statfs.data_compressed_allocated);
f->dump_int("compress_under_bytes", statfs.data_compressed_original);
// Stored by user amplified by replication
f->dump_int("stored_raw", pool_stat.get_user_bytes(1.0));
}
} else {
tbl << stringify(byte_u_t(statfs.allocated));
tbl << percentify(used*100);
tbl << byte_u_t(avail_res);
tbl << sum.num_objects;
if (verbose) {
tbl << stringify(si_u_t(sum.num_objects_dirty))
<< stringify(byte_u_t(sum.num_rd))
<< stringify(byte_u_t(sum.num_wr))
<< stringify(byte_u_t(stored_normalized))
<< stringify(byte_u_t(statfs.data_compressed_allocated))
<< stringify(byte_u_t(statfs.data_compressed_original))
;
}
}
}
int64_t PGMapDigest::get_pool_free_space(const OSDMap &osd_map,
int64_t poolid) const
{
const pg_pool_t *pool = osd_map.get_pg_pool(poolid);
int ruleno = osd_map.crush->find_rule(pool->get_crush_rule(),
pool->get_type(),
pool->get_size());
int64_t avail;
avail = get_rule_avail(ruleno);
if (avail < 0)
avail = 0;
return avail / ::pool_raw_used_rate(osd_map, poolid);
}
int64_t PGMap::get_rule_avail(const OSDMap& osdmap, int ruleno) const
{
map<int,float> wm;
int r = osdmap.crush->get_rule_weight_osd_map(ruleno, &wm);
if (r < 0) {
return r;
}
if (wm.empty()) {
return 0;
}
float fratio = osdmap.get_full_ratio();
int64_t min = -1;
for (auto p = wm.begin(); p != wm.end(); ++p) {
auto osd_info = osd_stat.find(p->first);
if (osd_info != osd_stat.end()) {
if (osd_info->second.statfs.total == 0 || p->second == 0) {
// osd must be out, hence its stats have been zeroed
// (unless we somehow managed to have a disk with size 0...)
//
// (p->second == 0), if osd weight is 0, no need to
// calculate proj below.
continue;
}
double unusable = (double)osd_info->second.statfs.kb() *
(1.0 - fratio);