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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "memfiletestutils.h"
#include <vespa/document/datatype/documenttype.h>
using document::DocumentType;
namespace storage {
namespace memfile {
namespace {
spi::LoadType defaultLoadType(0, "default");
}
class SplitOperationHandlerTest : public SingleDiskMemFileTestUtils
{
void doTestMultiDisk(uint16_t sourceDisk,
uint16_t targetDisk0,
uint16_t targetDisk1);
CPPUNIT_TEST_SUITE(SplitOperationHandlerTest);
CPPUNIT_TEST(testSimple);
CPPUNIT_TEST(testMultiDisk);
CPPUNIT_TEST(testMultiDiskNonZeroSourceIndex);
CPPUNIT_TEST(testExceptionDuringSplittingEvictsAllBuckets);
CPPUNIT_TEST_SUITE_END();
public:
void testSimple();
void testMultiDisk();
void testMultiDiskNonZeroSourceIndex();
void testExceptionDuringSplittingEvictsAllBuckets();
};
CPPUNIT_TEST_SUITE_REGISTRATION(SplitOperationHandlerTest);
void
SplitOperationHandlerTest::testSimple()
{
spi::Context context(defaultLoadType, spi::Priority(0),
spi::Trace::TraceLevel(0));
setupDisks(1);
for (uint32_t i = 0; i < 100; i++) {
uint32_t location = 4;
if (i % 2 == 0) {
location |= (1 << 16);
}
doPut(location, Timestamp(1000 + i));
}
flush(document::BucketId(16, 4));
env()._cache.clear();
document::BucketId sourceBucket = document::BucketId(16, 4);
document::BucketId target1 = document::BucketId(17, 4);
document::BucketId target2 = document::BucketId(17, 4 | (1 << 16));
SplitOperationHandler handler(env());
spi::Result result = getPersistenceProvider().split(
spi::Bucket(sourceBucket, spi::PartitionId(0)),
spi::Bucket(target1, spi::PartitionId(0)),
spi::Bucket(target2, spi::PartitionId(0)),
context);
env()._cache.clear();
{
MemFilePtr file(handler.getMemFile(sourceBucket, 0));
CPPUNIT_ASSERT_EQUAL(0, (int)file->getSlotCount());
}
{
MemFilePtr file(handler.getMemFile(target1, 0));
CPPUNIT_ASSERT_EQUAL(50, (int)file->getSlotCount());
for (uint32_t i = 0; i < file->getSlotCount(); ++i) {
file->getDocument((*file)[i], ALL);
}
}
{
MemFilePtr file(handler.getMemFile(target2, 0));
CPPUNIT_ASSERT_EQUAL(50, (int)file->getSlotCount());
for (uint32_t i = 0; i < file->getSlotCount(); ++i) {
file->getDocument((*file)[i], ALL);
}
}
}
void
SplitOperationHandlerTest::doTestMultiDisk(uint16_t sourceDisk,
uint16_t targetDisk0,
uint16_t targetDisk1)
{
spi::Context context(defaultLoadType, spi::Priority(0),
spi::Trace::TraceLevel(0));
setupDisks(3);
for (uint32_t i = 0; i < 100; i++) {
uint32_t location = 4;
if (i % 2 == 0) {
location |= (1 << 16);
}
doPutOnDisk(sourceDisk, location, Timestamp(1000 + i));
}
flush(document::BucketId(16, 4));
env()._cache.clear();
document::BucketId sourceBucket = document::BucketId(16, 4);
document::BucketId target1 = document::BucketId(17, 4);
document::BucketId target2 = document::BucketId(17, 4 | (1 << 16));
SplitOperationHandler handler(env());
spi::Result result = getPersistenceProvider().split(
spi::Bucket(sourceBucket, spi::PartitionId(sourceDisk)),
spi::Bucket(target1, spi::PartitionId(targetDisk0)),
spi::Bucket(target2, spi::PartitionId(targetDisk1)),
context);
env()._cache.clear();
{
MemFilePtr file(handler.getMemFile(sourceBucket, sourceDisk));
CPPUNIT_ASSERT_EQUAL(0, (int)file->getSlotCount());
}
{
MemFilePtr file(handler.getMemFile(target1, targetDisk0));
CPPUNIT_ASSERT_EQUAL(50, (int)file->getSlotCount());
for (uint32_t i = 0; i < file->getSlotCount(); ++i) {
file->getDocument((*file)[i], ALL);
}
}
{
MemFilePtr file(handler.getMemFile(target2, targetDisk1));
CPPUNIT_ASSERT_EQUAL(50, (int)file->getSlotCount());
for (uint32_t i = 0; i < file->getSlotCount(); ++i) {
file->getDocument((*file)[i], ALL);
}
}
}
void
SplitOperationHandlerTest::testMultiDisk()
{
doTestMultiDisk(0, 1, 2);
}
void
SplitOperationHandlerTest::testMultiDiskNonZeroSourceIndex()
{
doTestMultiDisk(1, 2, 0);
}
void
SplitOperationHandlerTest::testExceptionDuringSplittingEvictsAllBuckets()
{
spi::Context context(defaultLoadType, spi::Priority(0),
spi::Trace::TraceLevel(0));
setupDisks(1);
for (uint32_t i = 0; i < 100; i++) {
uint32_t location = 4;
if (i % 2 == 0) {
location |= (1 << 16);
}
doPut(location, Timestamp(1000 + i));
}
flush(document::BucketId(16, 4));
simulateIoErrorsForSubsequentlyOpenedFiles();
document::BucketId sourceBucket(16, 4);
document::BucketId target1(17, 4);
document::BucketId target2(17, 4 | (1 << 16));
try {
SplitOperationHandler handler(env());
spi::Result result = getPersistenceProvider().split(
spi::Bucket(sourceBucket, spi::PartitionId(0)),
spi::Bucket(target1, spi::PartitionId(0)),
spi::Bucket(target2, spi::PartitionId(0)),
context);
CPPUNIT_FAIL("Exception not thrown on flush failure");
} catch (std::exception&) {
}
CPPUNIT_ASSERT(!env()._cache.contains(sourceBucket));
CPPUNIT_ASSERT(!env()._cache.contains(target1));
CPPUNIT_ASSERT(!env()._cache.contains(target2));
unSimulateIoErrorsForSubsequentlyOpenedFiles();
// Source must not have been deleted
{
SplitOperationHandler handler(env());
MemFilePtr file(handler.getMemFile(sourceBucket, 0));
CPPUNIT_ASSERT_EQUAL(100, (int)file->getSlotCount());
}
}
}
}
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