hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

[CP] wash chunk_cache when physic memory exhausted

Browse Source
This commit is contained in:
obdev
2024-02-10 11:21:09 +00:00
committed by ob-robot
parent 6637b5ea7d
commit 3abb03d768
5 changed files with 105 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
deps/oblib/unittest/lib/alloc/test_chunk_mgr.cpp vendored
View File

@ -341,3 +341,32 @@ TEST_F(TestChunkMgr, FreeListManyChunk)
EXPECT_EQ(2* AChunkList::DEFAULT_MAX_CHUNK_CACHE_SIZE/INTACT_ACHUNK_SIZE, free_list_.get_pushes());
EXPECT_EQ(AChunkList::DEFAULT_MAX_CHUNK_CACHE_SIZE/INTACT_ACHUNK_SIZE, free_list_.get_pops());
}
TEST_F(TestChunkMgr, sync_wash)
{
set_limit(1LL<<30);
int NORMAL_SIZE = OB_MALLOC_BIG_BLOCK_SIZE;
int LARGE_SIZE = INTACT_ACHUNK_SIZE + 100;
free_list_.set_max_chunk_cache_size(1LL<<30);
large_free_list_.set_max_chunk_cache_size(1LL<<30);
AChunk *chunks[16][2] = {};
for (int i = 0; i < 16; ++i) {
chunks[i][0] = alloc_chunk(NORMAL_SIZE);
chunks[i][1] = alloc_chunk(LARGE_SIZE);
}
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 2; ++j) {
free_chunk(chunks[i][j]);
chunks[i][j] = NULL;
}
}
int64_t hold = free_list_.hold() + large_free_list_.hold();
EXPECT_EQ(hold, hold_);
EXPECT_EQ(16, free_list_.count());
EXPECT_EQ(16, large_free_list_.count());
int64_t washed_size = sync_wash();
EXPECT_EQ(hold, washed_size);
EXPECT_EQ(0, hold_);
EXPECT_EQ(0, free_list_.count());
EXPECT_EQ(0, large_free_list_.count());
}