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[space-maps/core] rewrite the core space map to use less memory.

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This commit is contained in:
Joe Thornber
2020-05-27 12:00:40 +01:00
parent e92ae10408
commit 29cfdd8979
15 changed files with 268 additions and 121 deletions
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12
unit-tests/space_map_t.cc
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@@ -37,14 +37,14 @@ namespace {
public:
SpaceMapTests()
: bm_(new block_manager("./test.data", NR_BLOCKS, MAX_LOCKS, block_manager::READ_WRITE)),
sm_(new core_map(NR_BLOCKS)),
sm_(create_core_map(NR_BLOCKS)),
tm_(bm_, sm_) {
}
struct sm_core_creator {
static space_map::ptr
create(transaction_manager &tm) {
return space_map::ptr(new persistent_data::core_map(NR_BLOCKS));
return create_core_map(NR_BLOCKS);
}
};
@@ -52,8 +52,7 @@ namespace {
static space_map::ptr
create(transaction_manager &tm) {
return create_careful_alloc_sm(
checked_space_map::ptr(
new core_map(NR_BLOCKS)));
create_core_map(NR_BLOCKS));
}
};
@@ -61,8 +60,7 @@ namespace {
static checked_space_map::ptr
create(transaction_manager &tm) {
return create_recursive_sm(
checked_space_map::ptr(
new core_map(NR_BLOCKS)));
create_core_map(NR_BLOCKS));
}
};
@@ -279,7 +277,7 @@ TEST_F(SpaceMapTests, test_metadata_and_disk)
{
block_manager::ptr bm(
new block_manager("./test.data", NR_BLOCKS, MAX_LOCKS, block_manager::READ_WRITE));
space_map::ptr core_sm(new core_map(NR_BLOCKS));
space_map::ptr core_sm{create_core_map(NR_BLOCKS)};
transaction_manager::ptr tm(new transaction_manager(bm, core_sm));
persistent_space_map::ptr metadata_sm = persistent_data::create_metadata_sm(*tm, NR_BLOCKS);
copy_space_maps(metadata_sm, core_sm);