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fix: support loading of 7.x streams correctly (#4281)

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Now rdb_load supports RDB_TYPE_STREAM_LISTPACKS, RDB_TYPE_STREAM_LISTPACKS_2 and RDB_TYPE_STREAM_LISTPACKS_3 formats.
rdb_save still saves with RDB_TYPE_STREAM_LISTPACKS format - we want to release the DF version that can load everything first, and
then update the replicaion format in the next versions.

Also, update rdb_test.cc

Signed-off-by: Roman Gershman <roman@dragonflydb.io>
This commit is contained in:
Roman Gershman 2024-12-10 09:57:36 +02:00 committed by GitHub
parent 4428480a4e
commit f428dc31be
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GPG key ID: B5690EEEBB952194
6 changed files with 133 additions and 58 deletions
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4
src/facade/facade_test.h
View file

@ -91,6 +91,10 @@ inline bool operator==(const RespExpr& left, std::string_view s) {
return left.type == RespExpr::STRING && ToSV(left.GetBuf()) == s; return left.type == RespExpr::STRING && ToSV(left.GetBuf()) == s;
} }
inline bool operator==(const RespExpr& left, int64_t val) {
return left.type == RespExpr::INT64 && left.GetInt() == val;
}
inline bool operator!=(const RespExpr& left, std::string_view s) { inline bool operator!=(const RespExpr& left, std::string_view s) {
return !(left == s); return !(left == s);
} }

1
src/server/rdb_extensions.h
View file

@ -9,7 +9,6 @@ extern "C" {
} }
// Custom types: Range 30-35 is used by DF RDB types. // Custom types: Range 30-35 is used by DF RDB types.
constexpr uint8_t RDB_TYPE_JSON_OLD = 20;
constexpr uint8_t RDB_TYPE_JSON = 30; constexpr uint8_t RDB_TYPE_JSON = 30;
constexpr uint8_t RDB_TYPE_HASH_WITH_EXPIRY = 31; constexpr uint8_t RDB_TYPE_HASH_WITH_EXPIRY = 31;
constexpr uint8_t RDB_TYPE_SET_WITH_EXPIRY = 32; constexpr uint8_t RDB_TYPE_SET_WITH_EXPIRY = 32;

62
src/server/rdb_load.cc
View file

@ -477,6 +477,8 @@ void RdbLoaderBase::OpaqueObjLoader::operator()(const unique_ptr<LoadTrace>& ptr
CreateZSet(ptr.get()); CreateZSet(ptr.get());
break; break;
case RDB_TYPE_STREAM_LISTPACKS: case RDB_TYPE_STREAM_LISTPACKS:
case RDB_TYPE_STREAM_LISTPACKS_2:
case RDB_TYPE_STREAM_LISTPACKS_3:
CreateStream(ptr.get()); CreateStream(ptr.get());
break; break;
default: default:
@ -955,8 +957,16 @@ void RdbLoaderBase::OpaqueObjLoader::CreateStream(const LoadTrace* ltrace) {
} }
s->length = ltrace->stream_trace->stream_len; s->length = ltrace->stream_trace->stream_len;
s->last_id.ms = ltrace->stream_trace->ms; CopyStreamId(ltrace->stream_trace->last_id, &s->last_id);
s->last_id.seq = ltrace->stream_trace->seq; CopyStreamId(ltrace->stream_trace->first_id, &s->first_id);
CopyStreamId(ltrace->stream_trace->max_deleted_entry_id, &s->max_deleted_entry_id);
s->entries_added = ltrace->stream_trace->entries_added;
if (rdb_type_ == RDB_TYPE_STREAM_LISTPACKS) {
/* Since the rax is already loaded, we can find the first entry's
* ID. */
streamGetEdgeID(s, 1, 1, &s->first_id);
}
for (const auto& cg : ltrace->stream_trace->cgroup) { for (const auto& cg : ltrace->stream_trace->cgroup) {
string_view cgname = ToSV(cg.name); string_view cgname = ToSV(cg.name);
@ -964,7 +974,12 @@ void RdbLoaderBase::OpaqueObjLoader::CreateStream(const LoadTrace* ltrace) {
cg_id.ms = cg.ms; cg_id.ms = cg.ms;
cg_id.seq = cg.seq; cg_id.seq = cg.seq;
streamCG* cgroup = streamCreateCG(s, cgname.data(), cgname.size(), &cg_id, 0); uint64_t entries_read = cg.entries_read;
if (rdb_type_ == RDB_TYPE_STREAM_LISTPACKS) {
entries_read = streamEstimateDistanceFromFirstEverEntry(s, &cg_id);
}
streamCG* cgroup = streamCreateCG(s, cgname.data(), cgname.size(), &cg_id, entries_read);
if (cgroup == NULL) { if (cgroup == NULL) {
LOG(ERROR) << "Duplicated consumer group name " << cgname; LOG(ERROR) << "Duplicated consumer group name " << cgname;
ec_ = RdbError(errc::duplicate_key); ec_ = RdbError(errc::duplicate_key);
@ -1512,7 +1527,7 @@ error_code RdbLoaderBase::ReadObj(int rdbtype, OpaqueObj* dest) {
// RDB_TYPE_JSON == 20. On newer versions > 9 we bumped up RDB_TYPE_JSON to 30 // RDB_TYPE_JSON == 20. On newer versions > 9 we bumped up RDB_TYPE_JSON to 30
// because it overlapped with the new type RDB_TYPE_SET_LISTPACK // because it overlapped with the new type RDB_TYPE_SET_LISTPACK
if (rdb_version_ < 10) { if (rdb_version_ < 10) {
// consider it RDB_TYPE_JSON_OLD // consider it RDB_TYPE_JSON_OLD (20)
iores = ReadJson(); iores = ReadJson();
} else { } else {
iores = ReadGeneric(rdbtype); iores = ReadGeneric(rdbtype);
@ -1876,21 +1891,20 @@ auto RdbLoaderBase::ReadStreams(int rdbtype) -> io::Result<OpaqueObj> {
// so if there are still unread elements return the partial stream. // so if there are still unread elements return the partial stream.
if (listpacks > n) { if (listpacks > n) {
pending_read_.remaining = listpacks - n; pending_read_.remaining = listpacks - n;
return OpaqueObj{std::move(load_trace), RDB_TYPE_STREAM_LISTPACKS}; return OpaqueObj{std::move(load_trace), rdbtype};
} else if (pending_read_.remaining > 0) {
pending_read_.remaining = 0;
} }
// Load stream metadata. pending_read_.remaining = 0;
// Load stream metadata.
load_trace->stream_trace.reset(new StreamTrace); load_trace->stream_trace.reset(new StreamTrace);
/* Load total number of items inside the stream. */ /* Load total number of items inside the stream. */
SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->stream_len); SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->stream_len);
/* Load the last entry ID. */ /* Load the last entry ID. */
SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->ms); SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->last_id.ms);
SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->seq); SET_OR_UNEXPECT(LoadLen(nullptr), load_trace->stream_trace->last_id.seq);
if (rdbtype >= RDB_TYPE_STREAM_LISTPACKS_2) { if (rdbtype >= RDB_TYPE_STREAM_LISTPACKS_2) {
/* Load the first entry ID. */ /* Load the first entry ID. */
@ -1907,13 +1921,7 @@ auto RdbLoaderBase::ReadStreams(int rdbtype) -> io::Result<OpaqueObj> {
/* During migration the offset can be initialized to the stream's /* During migration the offset can be initialized to the stream's
* length. At this point, we also don't care about tombstones * length. At this point, we also don't care about tombstones
* because CG offsets will be later initialized as well. */ * because CG offsets will be later initialized as well. */
load_trace->stream_trace->max_deleted_entry_id.ms = 0;
load_trace->stream_trace->max_deleted_entry_id.seq = 0;
load_trace->stream_trace->entries_added = load_trace->stream_trace->stream_len; load_trace->stream_trace->entries_added = load_trace->stream_trace->stream_len;
// TODO add implementation, we need to find the first entry's ID.
// The redis code is next
// streamGetEdgeID(s,1,1,&s->first_id);
} }
/* Consumer groups loading */ /* Consumer groups loading */
@ -1937,24 +1945,11 @@ auto RdbLoaderBase::ReadStreams(int rdbtype) -> io::Result<OpaqueObj> {
SET_OR_UNEXPECT(LoadLen(nullptr), cgroup.ms); SET_OR_UNEXPECT(LoadLen(nullptr), cgroup.ms);
SET_OR_UNEXPECT(LoadLen(nullptr), cgroup.seq); SET_OR_UNEXPECT(LoadLen(nullptr), cgroup.seq);
uint64_t cg_offset; cgroup.entries_read = 0;
if (rdbtype >= RDB_TYPE_STREAM_LISTPACKS_2) { if (rdbtype >= RDB_TYPE_STREAM_LISTPACKS_2) {
SET_OR_UNEXPECT(LoadLen(nullptr), cg_offset); SET_OR_UNEXPECT(LoadLen(nullptr), cgroup.entries_read);
(void)cg_offset;
} else {
// TODO implement
// cg_offset = should be calculated like streamEstimateDistanceFromFirstEverEntry();
} }
// TODO add our implementation for the next Redis logic
// streamCG* cgroup = streamCreateCG(s, cgname, sdslen(cgname), &cg_id, cg_offset);
// if (cgroup == NULL) {
// rdbReportCorruptRDB("Duplicated consumer group name %s", cgname);
// decrRefCount(o);
// sdsfree(cgname);
// return NULL;
// }
/* Load the global PEL for this consumer group, however we'll /* Load the global PEL for this consumer group, however we'll
* not yet populate the NACK structures with the message * not yet populate the NACK structures with the message
* owner, since consumers for this group and their messages will * owner, since consumers for this group and their messages will
@ -2724,6 +2719,11 @@ std::error_code RdbLoaderBase::FromOpaque(const OpaqueObj& opaque, LoadConfig co
return visitor.ec(); return visitor.ec();
} }
void RdbLoaderBase::CopyStreamId(const StreamID& src, struct streamID* dest) {
dest->ms = src.ms;
dest->seq = src.seq;
}
void RdbLoader::LoadItemsBuffer(DbIndex db_ind, const ItemsBuf& ib) { void RdbLoader::LoadItemsBuffer(DbIndex db_ind, const ItemsBuf& ib) {
EngineShard* es = EngineShard::tlocal(); EngineShard* es = EngineShard::tlocal();
DbContext db_cntx{&namespaces->GetDefaultNamespace(), db_ind, GetCurrentTimeMs()}; DbContext db_cntx{&namespaces->GetDefaultNamespace(), db_ind, GetCurrentTimeMs()};

14
src/server/rdb_load.h
View file

@ -16,6 +16,8 @@ extern "C" {
#include "server/common.h" #include "server/common.h"
#include "server/journal/serializer.h" #include "server/journal/serializer.h"
struct streamID;
namespace dfly { namespace dfly {
class EngineShardSet; class EngineShardSet;
@ -84,15 +86,15 @@ class RdbLoaderBase {
}; };
struct StreamID { struct StreamID {
uint64_t ms; uint64_t ms = 0;
uint64_t seq; uint64_t seq = 0;
}; };
struct StreamCGTrace { struct StreamCGTrace {
RdbVariant name; RdbVariant name;
uint64_t ms; uint64_t ms;
uint64_t seq; uint64_t seq;
uint64_t entries_read;
std::vector<StreamPelTrace> pel_arr; std::vector<StreamPelTrace> pel_arr;
std::vector<StreamConsumerTrace> cons_arr; std::vector<StreamConsumerTrace> cons_arr;
}; };
@ -100,10 +102,10 @@ class RdbLoaderBase {
struct StreamTrace { struct StreamTrace {
size_t lp_len; size_t lp_len;
size_t stream_len; size_t stream_len;
uint64_t ms, seq; StreamID last_id;
StreamID first_id; /* The first non-tombstone entry, zero if empty. */ StreamID first_id; /* The first non-tombstone entry, zero if empty. */
StreamID max_deleted_entry_id; /* The maximal ID that was deleted. */ StreamID max_deleted_entry_id; /* The maximal ID that was deleted. */
uint64_t entries_added; /* All time count of elements added. */ uint64_t entries_added = 0; /* All time count of elements added. */
std::vector<StreamCGTrace> cgroup; std::vector<StreamCGTrace> cgroup;
}; };
@ -192,6 +194,8 @@ class RdbLoaderBase {
std::error_code EnsureReadInternal(size_t min_to_read); std::error_code EnsureReadInternal(size_t min_to_read);
static void CopyStreamId(const StreamID& src, struct streamID* dest);
base::IoBuf* mem_buf_ = nullptr; base::IoBuf* mem_buf_ = nullptr;
base::IoBuf origin_mem_buf_; base::IoBuf origin_mem_buf_;
::io::Source* src_ = nullptr; ::io::Source* src_ = nullptr;

44
src/server/rdb_save.cc
View file

@ -51,10 +51,16 @@ ABSL_FLAG(dfly::CompressionMode, compression_mode, dfly::CompressionMode::MULTI_
"set 2 for multi entry zstd compression on df snapshot and single entry on rdb snapshot," "set 2 for multi entry zstd compression on df snapshot and single entry on rdb snapshot,"
"set 3 for multi entry lz4 compression on df snapshot and single entry on rdb snapshot"); "set 3 for multi entry lz4 compression on df snapshot and single entry on rdb snapshot");
ABSL_FLAG(int, compression_level, 2, "The compression level to use on zstd/lz4 compression"); ABSL_FLAG(int, compression_level, 2, "The compression level to use on zstd/lz4 compression");
// TODO: to retire both flags in v1.27 (Jan 2025)
ABSL_FLAG(bool, list_rdb_encode_v2, true, ABSL_FLAG(bool, list_rdb_encode_v2, true,
"V2 rdb encoding of list uses listpack encoding format, compatible with redis 7. V1 rdb " "V2 rdb encoding of list uses listpack encoding format, compatible with redis 7. V1 rdb "
"enconding of list uses ziplist encoding compatible with redis 6"); "enconding of list uses ziplist encoding compatible with redis 6");
ABSL_FLAG(bool, stream_rdb_encode_v2, false,
"V2 uses format, compatible with redis 7.2 and Dragonfly v1.26+, while v1 format "
"is compatible with redis 6");
namespace dfly { namespace dfly {
using namespace std; using namespace std;
@ -209,12 +215,12 @@ uint8_t RdbObjectType(const PrimeValue& pv) {
} }
break; break;
case OBJ_STREAM: case OBJ_STREAM:
return RDB_TYPE_STREAM_LISTPACKS; return absl::GetFlag(FLAGS_stream_rdb_encode_v2) ? RDB_TYPE_STREAM_LISTPACKS
: RDB_TYPE_STREAM_LISTPACKS_2;
case OBJ_MODULE: case OBJ_MODULE:
return RDB_TYPE_MODULE_2; return RDB_TYPE_MODULE_2;
case OBJ_JSON: case OBJ_JSON:
return RDB_TYPE_JSON; // save with RDB_TYPE_JSON, deprecate RDB_TYPE_JSON_OLD after July return RDB_TYPE_JSON;
// 2024.
case OBJ_SBF: case OBJ_SBF:
return RDB_TYPE_SBF; return RDB_TYPE_SBF;
} }
@ -657,6 +663,22 @@ error_code RdbSerializer::SaveStreamObject(const PrimeValue& pv) {
RETURN_ON_ERR(SaveLen(s->last_id.ms)); RETURN_ON_ERR(SaveLen(s->last_id.ms));
RETURN_ON_ERR(SaveLen(s->last_id.seq)); RETURN_ON_ERR(SaveLen(s->last_id.seq));
uint8_t rdb_type = RdbObjectType(pv);
// 'first_id', 'max_deleted_entry_id' and 'entries_added' are added
// in RDB_TYPE_STREAM_LISTPACKS_2
if (rdb_type >= RDB_TYPE_STREAM_LISTPACKS_2) {
/* Save the first entry ID. */
RETURN_ON_ERR(SaveLen(s->first_id.ms));
RETURN_ON_ERR(SaveLen(s->first_id.seq));
/* Save the maximal tombstone ID. */
RETURN_ON_ERR(SaveLen(s->max_deleted_entry_id.ms));
RETURN_ON_ERR(SaveLen(s->max_deleted_entry_id.seq));
/* Save the offset. */
RETURN_ON_ERR(SaveLen(s->entries_added));
}
/* The consumer groups and their clients are part of the stream /* The consumer groups and their clients are part of the stream
* type, so serialize every consumer group. */ * type, so serialize every consumer group. */
@ -678,9 +700,14 @@ error_code RdbSerializer::SaveStreamObject(const PrimeValue& pv) {
RETURN_ON_ERR(SaveString((uint8_t*)ri.key, ri.key_len)); RETURN_ON_ERR(SaveString((uint8_t*)ri.key, ri.key_len));
/* Last ID. */ /* Last ID. */
RETURN_ON_ERR(SaveLen(s->last_id.ms)); RETURN_ON_ERR(SaveLen(cg->last_id.ms));
RETURN_ON_ERR(SaveLen(s->last_id.seq)); RETURN_ON_ERR(SaveLen(cg->last_id.seq));
if (rdb_type >= RDB_TYPE_STREAM_LISTPACKS_2) {
/* Save the group's logical reads counter. */
RETURN_ON_ERR(SaveLen(cg->entries_read));
}
/* Save the global PEL. */ /* Save the global PEL. */
RETURN_ON_ERR(SaveStreamPEL(cg->pel, true)); RETURN_ON_ERR(SaveStreamPEL(cg->pel, true));
@ -836,10 +863,15 @@ error_code RdbSerializer::SaveStreamConsumers(streamCG* cg) {
/* Consumer name. */ /* Consumer name. */
RETURN_ON_ERR(SaveString(ri.key, ri.key_len)); RETURN_ON_ERR(SaveString(ri.key, ri.key_len));
/* Last seen time. */ /* seen time. */
absl::little_endian::Store64(buf, consumer->seen_time); absl::little_endian::Store64(buf, consumer->seen_time);
RETURN_ON_ERR(WriteRaw(buf)); RETURN_ON_ERR(WriteRaw(buf));
// TODO: enable this when we switch to RDB_TYPE_STREAM_LISTPACKS_3
/* Active time. */
// absl::little_endian::Store64(buf, consumer->active_time);
// RETURN_ON_ERR(WriteRaw(buf));
/* Consumer PEL, without the ACKs (see last parameter of the function /* Consumer PEL, without the ACKs (see last parameter of the function
* passed with value of 0), at loading time we'll lookup the ID * passed with value of 0), at loading time we'll lookup the ID
* in the consumer group global PEL and will put a reference in the * in the consumer group global PEL and will put a reference in the

66
src/server/rdb_test.cc
View file

@ -36,6 +36,8 @@ ABSL_DECLARE_FLAG(dfly::CompressionMode, compression_mode);
namespace dfly { namespace dfly {
static const auto kMatchNil = ArgType(RespExpr::NIL);
class RdbTest : public BaseFamilyTest { class RdbTest : public BaseFamilyTest {
protected: protected:
void SetUp(); void SetUp();
@ -136,13 +138,20 @@ TEST_F(RdbTest, Stream) {
auto resp = Run({"type", "key:10"}); auto resp = Run({"type", "key:10"});
EXPECT_EQ(resp, "stream"); EXPECT_EQ(resp, "stream");
resp = Run({"xinfo", "groups", "key:0"}); resp = Run({"xinfo", "groups", "key:0"});
EXPECT_THAT(resp, ArrLen(2)); EXPECT_THAT(resp, ArrLen(2));
EXPECT_THAT(resp.GetVec()[0],
RespElementsAre("name", "g1", "consumers", 0, "pending", 0, "last-delivered-id",
"1655444851524-3", "entries-read", 128, "lag", 0));
EXPECT_THAT(resp.GetVec()[1],
RespElementsAre("name", "g2", "consumers", 1, "pending", 0, "last-delivered-id",
"1655444851523-1", "entries-read", kMatchNil, "lag", kMatchNil));
resp = Run({"xinfo", "groups", "key:1"}); // test dereferences array of size 1 resp = Run({"xinfo", "groups", "key:1"}); // test dereferences array of size 1
EXPECT_THAT(resp, RespArray(ElementsAre("name", "g2", "consumers", IntArg(0), "pending", EXPECT_THAT(resp, RespElementsAre("name", "g2", "consumers", IntArg(0), "pending", IntArg(0),
IntArg(0), "last-delivered-id", "1655444851523-1", "last-delivered-id", "1655444851523-1", "entries-read",
"entries-read", IntArg(0), "lag", IntArg(0)))); kMatchNil, "lag", kMatchNil));
resp = Run({"xinfo", "groups", "key:2"}); resp = Run({"xinfo", "groups", "key:2"});
EXPECT_THAT(resp, ArrLen(0)); EXPECT_THAT(resp, ArrLen(0));
@ -629,14 +638,30 @@ TEST_F(RdbTest, LoadHugeList) {
// Tests loading a huge stream, where the stream is loaded in multiple partial // Tests loading a huge stream, where the stream is loaded in multiple partial
// reads. // reads.
TEST_F(RdbTest, LoadHugeStream) { TEST_F(RdbTest, LoadHugeStream) {
TEST_current_time_ms = 1000;
// Add a huge stream (test:0) with 2000 entries, and 4 1k elements per entry // Add a huge stream (test:0) with 2000 entries, and 4 1k elements per entry
// (note must be more than 512*4kb elements to test partial reads). // (note must be more than 512*4kb elements to test partial reads).
for (int i = 0; i != 2000; i++) { // We add 2000 entries to the stream to ensure that the stream, because populate strream
// adds only a single entry at a time, with multiple elements in it.
for (unsigned i = 0; i < 2000; i++) {
Run({"debug", "populate", "1", "test", "2000", "rand", "type", "stream", "elements", "4"}); Run({"debug", "populate", "1", "test", "2000", "rand", "type", "stream", "elements", "4"});
} }
ASSERT_EQ(2000, CheckedInt({"xlen", "test:0"})); ASSERT_EQ(2000, CheckedInt({"xlen", "test:0"}));
Run({"XGROUP", "CREATE", "test:0", "grp1", "0"});
Run({"XGROUP", "CREATE", "test:0", "grp2", "0"});
Run({"XREADGROUP", "GROUP", "grp1", "Alice", "COUNT", "1", "STREAMS", "test:0", ">"});
Run({"XREADGROUP", "GROUP", "grp2", "Alice", "COUNT", "1", "STREAMS", "test:0", ">"});
RespExpr resp = Run({"save", "df"}); auto resp = Run({"xinfo", "stream", "test:0"});
EXPECT_THAT(
resp, RespElementsAre("length", 2000, "radix-tree-keys", 2000, "radix-tree-nodes", 2010,
"last-generated-id", "1000-1999", "max-deleted-entry-id", "0-0",
"entries-added", 2000, "recorded-first-entry-id", "1000-0", "groups", 2,
"first-entry", ArrLen(2), "last-entry", ArrLen(2)));
resp = Run({"save", "df"});
ASSERT_EQ(resp, "OK"); ASSERT_EQ(resp, "OK");
auto save_info = service_->server_family().GetLastSaveInfo(); auto save_info = service_->server_family().GetLastSaveInfo();
@ -644,18 +669,29 @@ TEST_F(RdbTest, LoadHugeStream) {
ASSERT_EQ(resp, "OK"); ASSERT_EQ(resp, "OK");
ASSERT_EQ(2000, CheckedInt({"xlen", "test:0"})); ASSERT_EQ(2000, CheckedInt({"xlen", "test:0"}));
resp = Run({"xinfo", "stream", "test:0"});
EXPECT_THAT(
resp, RespElementsAre("length", 2000, "radix-tree-keys", 2000, "radix-tree-nodes", 2010,
"last-generated-id", "1000-1999", "max-deleted-entry-id", "0-0",
"entries-added", 2000, "recorded-first-entry-id", "1000-0", "groups", 2,
"first-entry", ArrLen(2), "last-entry", ArrLen(2)));
resp = Run({"xinfo", "groups", "test:0"});
EXPECT_THAT(resp, RespElementsAre(RespElementsAre("name", "grp1", "consumers", 1, "pending", 1,
"last-delivered-id", "1000-0", "entries-read",
1, "lag", 1999),
_));
} }
TEST_F(RdbTest, LoadStream2) { TEST_F(RdbTest, LoadStream2) {
auto ec = LoadRdb("RDB_TYPE_STREAM_LISTPACKS_2.rdb"); auto ec = LoadRdb("RDB_TYPE_STREAM_LISTPACKS_2.rdb");
ASSERT_FALSE(ec) << ec.message(); ASSERT_FALSE(ec) << ec.message();
auto res = Run({"XINFO", "STREAM", "mystream"}); auto res = Run({"XINFO", "STREAM", "mystream"});
ASSERT_THAT( ASSERT_THAT(res.GetVec(),
res.GetVec(), ElementsAre("length", 2, "radix-tree-keys", 1, "radix-tree-nodes", 2,
ElementsAre("length", IntArg(2), "radix-tree-keys", IntArg(1), "radix-tree-nodes", IntArg(2), "last-generated-id", "1732613360686-0", "max-deleted-entry-id", "0-0",
"last-generated-id", "1732613360686-0", "max-deleted-entry-id", "0-0", "entries-added", 2, "recorded-first-entry-id", "1732613352350-0",
"entries-added", IntArg(0), "recorded-first-entry-id", "0-0", "groups", IntArg(1), "groups", 1, "first-entry", RespElementsAre("1732613352350-0", _),
"first-entry", ArgType(RespExpr::ARRAY), "last-entry", ArgType(RespExpr::ARRAY))); "last-entry", RespElementsAre("1732613360686-0", _)));
} }
TEST_F(RdbTest, LoadStream3) { TEST_F(RdbTest, LoadStream3) {
@ -664,10 +700,10 @@ TEST_F(RdbTest, LoadStream3) {
auto res = Run({"XINFO", "STREAM", "mystream"}); auto res = Run({"XINFO", "STREAM", "mystream"});
ASSERT_THAT( ASSERT_THAT(
res.GetVec(), res.GetVec(),
ElementsAre("length", IntArg(2), "radix-tree-keys", IntArg(1), "radix-tree-nodes", IntArg(2), ElementsAre("length", 2, "radix-tree-keys", 1, "radix-tree-nodes", 2, "last-generated-id",
"last-generated-id", "1732614679549-0", "max-deleted-entry-id", "0-0", "1732614679549-0", "max-deleted-entry-id", "0-0", "entries-added", 2,
"entries-added", IntArg(0), "recorded-first-entry-id", "0-0", "groups", IntArg(1), "recorded-first-entry-id", "1732614676541-0", "groups", 1, "first-entry",
"first-entry", ArgType(RespExpr::ARRAY), "last-entry", ArgType(RespExpr::ARRAY))); ArgType(RespExpr::ARRAY), "last-entry", ArgType(RespExpr::ARRAY)));
} }
TEST_F(RdbTest, SnapshotTooBig) { TEST_F(RdbTest, SnapshotTooBig) {