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25-3-1: Fix bug with partition count #25691

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Merged
merged 1 commit into from
Sep 23, 2025
Merged

25-3-1: Fix bug with partition count #25691

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33 changes: 25 additions & 8 deletions ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -288,16 +288,33 @@ THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateChangefeedPropose(
cdcStream.SetRetentionPeriodSeconds(topic.retention_period().seconds());
}

auto tableDesc = GetTableDescription(ss, dstPath->PathId);
Y_ABORT_UNLESS(!tableDesc.GetKeyColumnIds().empty());
const auto& keyId = tableDesc.GetKeyColumnIds()[0];
bool isPartitioningAvailable = false;

// Explicit specification of the number of partitions when creating CDC
// is possible only if the first component of the primary key
// of the source table is Uint32 or Uint64
for (const auto& column : tableDesc.GetColumns()) {
if (column.GetId() == keyId) {
isPartitioningAvailable = column.GetType() == "Uint32" || column.GetType() == "Uint64";
break;
}
}

if (topic.has_partitioning_settings()) {
i64 minActivePartitions =
topic.partitioning_settings().min_active_partitions();
if (minActivePartitions < 0) {
error = "minActivePartitions must be >= 0";
return nullptr;
} else if (minActivePartitions == 0) {
minActivePartitions = 1;
if (isPartitioningAvailable) {
i64 minActivePartitions =
topic.partitioning_settings().min_active_partitions();
if (minActivePartitions < 0) {
error = "minActivePartitions must be >= 0";
return nullptr;
} else if (minActivePartitions == 0) {
minActivePartitions = 1;
}
cdcStream.SetTopicPartitions(minActivePartitions);
}
cdcStream.SetTopicPartitions(minActivePartitions);

if (topic.partitioning_settings().has_auto_partitioning_settings()) {
auto& partitioningSettings = topic.partitioning_settings().auto_partitioning_settings();
Expand Down
12 changes: 12 additions & 0 deletions ydb/core/tx/schemeshard/ut_helpers/ls_checks.cpp
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Expand Up @@ -1145,6 +1145,18 @@ void NoMaxPartitionsCount(const NKikimrScheme::TEvDescribeSchemeResult& record)
UNIT_ASSERT(!record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().HasMaxPartitionsCount());
}

TCheckFunc MinTopicPartitionsCountEqual(ui32 count) {
return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetPersQueueGroup().GetPQTabletConfig().GetPartitionStrategy().GetMinPartitionCount(), count);
};
}

TCheckFunc MaxTopicPartitionsCountEqual(ui32 count) {
return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetPersQueueGroup().GetPQTabletConfig().GetPartitionStrategy().GetMaxPartitionCount(), count);
};
}

TCheckFunc PartitioningByLoadStatus(bool status) {
return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetSplitByLoadSettings().GetEnabled(), status);
Expand Down
2 changes: 2 additions & 0 deletions ydb/core/tx/schemeshard/ut_helpers/ls_checks.h
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Expand Up @@ -138,6 +138,8 @@ namespace NLs {
TCheckFunc MaxPartitionsCountEqual(ui32 count);
void HasMaxPartitionsCount(const NKikimrScheme::TEvDescribeSchemeResult& record);
void NoMaxPartitionsCount(const NKikimrScheme::TEvDescribeSchemeResult& record);
TCheckFunc MinTopicPartitionsCountEqual(ui32 count);
TCheckFunc MaxTopicPartitionsCountEqual(ui32 count);
TCheckFunc PartitioningByLoadStatus(bool status);
TCheckFunc ColumnFamiliesCount(ui32 size);
TCheckFunc ColumnFamiliesHas(ui32 familyId);
Expand Down
79 changes: 47 additions & 32 deletions ydb/core/tx/schemeshard/ut_restore/ut_restore.cpp
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Expand Up @@ -5238,7 +5238,7 @@ Y_UNIT_TEST_SUITE(TImportTests) {
std::function<void(TTestBasicRuntime&)> Checker;
};

TGeneratedChangefeed GenChangefeed(ui64 num = 1) {
TGeneratedChangefeed GenChangefeed(ui64 num = 1, bool isPartitioningAvailable = true) {
const TString changefeedName = TStringBuilder() << "updates_feed" << num;
const auto changefeedPath = TStringBuilder() << "/" << changefeedName;

Expand All @@ -5251,10 +5251,10 @@ Y_UNIT_TEST_SUITE(TImportTests) {

const auto topicDesc = R"(
partitioning_settings {
min_active_partitions: 1
max_active_partitions: 1
min_active_partitions: 2
max_active_partitions: 3
auto_partitioning_settings {
strategy: AUTO_PARTITIONING_STRATEGY_DISABLED
strategy: AUTO_PARTITIONING_STRATEGY_SCALE_UP
partition_write_speed {
stabilization_window {
seconds: 300
Expand Down Expand Up @@ -5303,40 +5303,50 @@ Y_UNIT_TEST_SUITE(TImportTests) {
attr.emplace(NAttr::EKeys::TOPIC_DESCRIPTION, topicDesc);
return {
{changefeedPath, GenerateTestData({EPathTypeCdcStream, changefeedDesc, std::move(attr)})},
[changefeedPath = TString(changefeedPath)](TTestBasicRuntime& runtime) {
[changefeedPath = TString(changefeedPath), isPartitioningAvailable](TTestBasicRuntime& runtime) {
TestDescribeResult(DescribePath(runtime, "/MyRoot/Table" + changefeedPath, false, false, true), {
NLs::PathExist,
});
TestDescribeResult(DescribePath(runtime, "/MyRoot/Table" + changefeedPath + "/streamImpl", false, false, true), {
NLs::ConsumerExist("my_consumer")
NLs::ConsumerExist("my_consumer"),
NLs::MinTopicPartitionsCountEqual(isPartitioningAvailable ? 2 : 1),
NLs::MaxTopicPartitionsCountEqual(3),
});
}
};
}

TVector<std::function<void(TTestBasicRuntime&)>> GenChangefeeds(THashMap<TString, TTestDataWithScheme>& bucketContent, ui64 count = 1) {
TVector<std::function<void(TTestBasicRuntime&)>> GenChangefeeds(
THashMap<TString, TTestDataWithScheme>& bucketContent,
ui64 count = 1,
bool isPartitioningAvailable = true)
{
TVector<std::function<void(TTestBasicRuntime&)>> checkers;
checkers.reserve(count);
for (ui64 i = 1; i <= count; ++i) {
auto genChangefeed = GenChangefeed(i);
auto genChangefeed = GenChangefeed(i, isPartitioningAvailable);
bucketContent.emplace(genChangefeed.Changefeed);
checkers.push_back(genChangefeed.Checker);
}
return checkers;
}

std::function<void(TTestBasicRuntime&)> AddedSchemeCommon(THashMap<TString, TTestDataWithScheme>& bucketContent, const TString& permissions) {
const auto data = GenerateTestData(R"(
std::function<void(TTestBasicRuntime&)> AddedSchemeCommon(
THashMap<TString, TTestDataWithScheme>& bucketContent,
const TString& permissions,
const TString& pkType)
{
const auto data = GenerateTestData(Sprintf(R"(
columns {
name: "key"
type { optional_type { item { type_id: UTF8 } } }
type { optional_type { item { type_id: %s } } }
}
columns {
name: "value"
type { optional_type { item { type_id: UTF8 } } }
}
primary_key: "key"
)", {{"a", 1}}, permissions);
)", pkType.c_str()), {{pkType == "UTF8" ? "a" : "", 1}}, permissions);

bucketContent.emplace("", data);
return [](TTestBasicRuntime& runtime) {
Expand All @@ -5346,11 +5356,17 @@ Y_UNIT_TEST_SUITE(TImportTests) {
};
}

std::function<void(TTestBasicRuntime&)> AddedScheme(THashMap<TString, TTestDataWithScheme>& bucketContent) {
return AddedSchemeCommon(bucketContent, "");
std::function<void(TTestBasicRuntime&)> AddedScheme(
THashMap<TString, TTestDataWithScheme>& bucketContent,
const TString& pkType)
{
return AddedSchemeCommon(bucketContent, "", pkType);
}

std::function<void(TTestBasicRuntime&)> AddedSchemeWithPermissions(THashMap<TString, TTestDataWithScheme>& bucketContent) {
std::function<void(TTestBasicRuntime&)> AddedSchemeWithPermissions(
THashMap<TString, TTestDataWithScheme>& bucketContent,
const TString& pkType)
{
const auto permissions = R"(
actions {
change_owner: "eve"
Expand All @@ -5374,34 +5390,22 @@ Y_UNIT_TEST_SUITE(TImportTests) {
}
}
)";
return AddedSchemeCommon(bucketContent, permissions);
return AddedSchemeCommon(bucketContent, permissions, pkType);
}

using SchemeFunction = std::function<std::function<void(TTestBasicRuntime&)>(THashMap<TString, TTestDataWithScheme>&)>;
using SchemeFunction = std::function<std::function<void(TTestBasicRuntime&)>(THashMap<TString, TTestDataWithScheme>&, const TString&)>;

void TestImportChangefeeds(ui64 countChangefeed, SchemeFunction addedScheme) {
void TestImportChangefeeds(ui64 countChangefeed, SchemeFunction addedScheme, const TString& pkType = "UTF8") {
TTestBasicRuntime runtime;
TTestEnv env(runtime);
ui64 txId = 100;
runtime.GetAppData().FeatureFlags.SetEnableChangefeedsImport(true);
runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);

const auto data = GenerateTestData(R"(
columns {
name: "key"
type { optional_type { item { type_id: UTF8 } } }
}
columns {
name: "value"
type { optional_type { item { type_id: UTF8 } } }
}
primary_key: "key"
)");

THashMap<TString, TTestDataWithScheme> bucketContent(countChangefeed + 1);

auto checkerTable = addedScheme(bucketContent);
auto checkersChangefeeds = GenChangefeeds(bucketContent, countChangefeed);
auto checkerTable = addedScheme(bucketContent, pkType);
auto checkersChangefeeds = GenChangefeeds(bucketContent, countChangefeed, pkType == "UINT32" || pkType == "UINT64");

TPortManager portManager;
const ui16 port = portManager.GetPort();
Expand Down Expand Up @@ -5431,6 +5435,17 @@ Y_UNIT_TEST_SUITE(TImportTests) {
TestImportChangefeeds(1, AddedScheme);
}

// Explicit specification of the number of partitions when creating CDC
// is possible only if the first component of the primary key
// of the source table is Uint32 or Uint64
Y_UNIT_TEST(ChangefeedWithPartitioning) {
TestImportChangefeeds(1, AddedScheme, "UINT32");
}

Y_UNIT_TEST(ChangefeedsWithPartitioning) {
TestImportChangefeeds(3, AddedScheme, "UINT64");
}

Y_UNIT_TEST(Changefeeds) {
TestImportChangefeeds(3, AddedScheme);
}
Expand Down
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