diff --git a/storage/ndb/src/kernel/blocks/pgman.cpp b/storage/ndb/src/kernel/blocks/pgman.cpp index 3709748bae4..e9ea274a413 100644 --- a/storage/ndb/src/kernel/blocks/pgman.cpp +++ b/storage/ndb/src/kernel/blocks/pgman.cpp @@ -1871,6 +1871,11 @@ Pgman::free_data_file(Uint32 file_no, Uint32 fd) int Pgman::drop_page(Ptr ptr) { +#ifdef VM_TRACE + debugOut << "PGMAN: drop_page" << endl; + debugOut << "PGMAN: " << ptr << endl; +#endif + Page_stack& pl_stack = m_page_stack; Page_queue& pl_queue = m_page_queue; @@ -1883,8 +1888,14 @@ Pgman::drop_page(Ptr ptr) if (state & Page_entry::ONSTACK) { jam(); + bool at_bottom = ! pl_stack.hasPrev(ptr); pl_stack.remove(ptr); state &= ~ Page_entry::ONSTACK; + if (at_bottom && (state & Page_entry::HOT)) + { + jam(); + lirs_stack_prune(); + } } if (state & Page_entry::ONQUEUE) @@ -2298,6 +2309,13 @@ operator<<(NdbOut& out, Ptr ptr) out << " lsn=" << dec << pe.m_lsn; out << " busy_count=" << dec << pe.m_busy_count; #ifdef VM_TRACE + { + Pgman::Page_stack& pl_stack = pe.m_this->m_page_stack; + if (! pl_stack.hasNext(ptr)) + out << " top"; + if (! pl_stack.hasPrev(ptr)) + out << " bottom"; + } { Pgman::Local_page_request_list req_list(ptr.p->m_this->m_page_request_pool, ptr.p->m_requests);