aclamk

Compression factor = 2.0
usually 8K compresses a bit above 4K
As a result, in 8K blob nothing gets compressed.



object_size 64 k
SHARD 0
disk=[0xe9000~2000] 
disk=[0xe0000~1000,0xe6000~1000] 

aclamk

compression ratio 20
SHARD 0
disk=[0xdc000~3000] len=10000->2773 
disk=[0xdf000~3000] len=10000->249c 
disk=[0xd1000~2000,0xd5000~1000] len=10000->294a 
disk=[0xe8000~3000] len=10000->2a5b 
disk=[0xd6000~3000] len=10000->2b57 
disk=[0xd9000~3000] len=10000->2ad9 
disk=[0xe5000~3000] len=10000->2369 
disk=[0xe2000~3000] len=10000->2492 

aclamk

185/293 Test #177: unittest_mon_monmap .......................   Passed    0.21 sec
        Start 178: unittest_mon_pgmap
186/293 Test #178: unittest_mon_pgmap ........................   Passed    0.23 sec
        Start 179: unittest_mon_montypes
187/293 Test #179: unittest_mon_montypes .....................   Passed    0.13 sec
        Start 180: unittest_mon_election
188/293 Test #180: unittest_mon_election .....................   Passed    2.27 sec
        Start 181: unittest_mgr_mgrcap
189/293 Test #181: unittest_mgr_mgrcap .......................   Passed    0.31 sec
        Start 182: unittest_mgr_ttlcache

aclamk

  dout(10) << "Store synced" << dendl;

  op_tracker.on_shutdown();

  ClassHandler::get_instance().shutdown();
  client_messenger->shutdown();
  cluster_messenger->shutdown();
  hb_front_client_messenger->shutdown();
  hb_back_client_messenger->shutdown();
  objecter_messenger->shutdown();

aclamk

void mempool::pool_t::adjust_count(ssize_t items, ssize_t bytes)
{
 530:   41 55                   push   %r13
 532:   49 89 f5                mov    %rsi,%r13
 535:   41 54                   push   %r12
 537:   49 89 d4                mov    %rdx,%r12
 53a:   55                      push   %rbp
 53b:   48 89 fd                mov    %rdi,%rbp
 53e:   53                      push   %rbx
 53f:   48 83 ec 08             sub    $0x8,%rsp

aclamk

diff --git a/db/db_impl/db_impl.h b/db/db_impl/db_impl.h
index 725e77c18..f362eb6b0 100644
--- a/db/db_impl/db_impl.h
+++ b/db/db_impl/db_impl.h
@@ -232,6 +232,8 @@ class DBImpl : public DB {
   using DB::Write;
   virtual Status Write(const WriteOptions& options,
                        WriteBatch* updates) override;
+  virtual Status WriteHack(const WriteOptions& options,
+                       WriteBatch* updates) override;

aclamk

{
    "bluestore": {
        "write_lat": {
            "axes": [
                {
                    "name": "zero",
                    "min": 0,
                    "quant_size": 1,
                    "buckets": 1,
                    "scale_type": "linear",

aclamk

{
    "bluestore": {
        "write_lat": {
            "axes": [
                {
                    "name": "zero",
                    "min": 0,
                    "quant_size": 1,
                    "buckets": 1,
                    "scale_type": "linear",

aclamk

akupczyk@o08 build-rel]$ ninja ceph_test_objectstore
[1/3] Building CXX object src/os/CMakeFiles/os.dir/bluestore/BlueStore.cc.o
In file included from ../src/include/cpp-btree/btree_set.h:49,
                 from ../src/os/bluestore/BlueStore.cc:28:
../src/include/cpp-btree/btree.h: In member function ‘btree::internal::btree<Params>::iterator btree::internal::btree<Params>::internal_emplace(btree::internal::btree<Params>::iterator, Args&& ...) [with Args = {const long unsigned int&}; Params = btree::internal::set_params<long unsigned int, std::less<long unsigned int>, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int>, 256, false>]’:
../src/include/cpp-btree/btree.h:515:84: warning: array subscript 32 is outside array bounds of ‘btree::internal::AlignedAlloc<8, mempool::pool_allocator<mempool::mempool_bluestore_fsck, long unsigned int> >::M [32]’ [-Warray-bounds]
  515 |   btree_node*& mutable_child(int i) { return GetField<&internal_fields::children>()[i]; }
      |                 

aclamk

#0  0x00007ffff39aaa4f in raise () from /lib64/libc.so.6
#1  0x00007ffff397ddb5 in abort () from /lib64/libc.so.6
#2  0x00007ffff397dc89 in __assert_fail_base.cold.0 () from /lib64/libc.so.6
#3  0x00007ffff39a33a6 in __assert_fail () from /lib64/libc.so.6
#4  0x00005555561364d1 in boost::intrusive::detail::destructor_impl<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::member_tag, (boost::intrusive::link_mode_type)1, (boost::intrusive::base_hook_type)0> > (hook=...)
    at /opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/node_handle.h:215
#5  boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::member_tag, (boost::intrusive::link_mode_type)1, (boost::intrusive::base_hook_type)0>::~generic_hook (this=0x55557a63c9f0, __in_chrg=<optimized out>)
    at boost/include/boost/intrusive/detail/generic_hook.hpp:193
#6  boost::intrusive::list_member_hook<>::~list_member_