57c9afc8d8
git-svn-id: svn+ssh://svn.corp.yahoo.com/yahoo/yrl/labs/pnuts/code/logstore@591 8dad8b1f-cf64-0410-95b6-bcf113ffbcfe
167 lines
3.9 KiB
C++
167 lines
3.9 KiB
C++
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#include <string>
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#include <vector>
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#include <iostream>
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#include <sstream>
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#include "logstore.h"
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#include "datapage.h"
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#include "logiterators.h"
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#include <assert.h>
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#include <limits.h>
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#include <math.h>
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#include <pthread.h>
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#include <sys/time.h>
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#include <time.h>
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#undef begin
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#undef end
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#include "check_util.h"
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template class treeIterator<datatuple>;
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void insertProbeIter(size_t NUM_ENTRIES)
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{
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srand(1000);
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unlink("storefile.txt");
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unlink("logfile.txt");
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sync();
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diskTreeComponent::init_stasis();
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int xid = Tbegin();
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logtable ltable;
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int pcount = 5;
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ltable.set_fixed_page_count(pcount);
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recordid table_root = ltable.allocTable(xid);
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Tcommit(xid);
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xid = Tbegin();
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diskTreeComponent *ltable_c1 = ltable.get_tree_c1();
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recordid tree_root = ltable_c1->get_root_rec();
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std::vector<std::string> data_arr;
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std::vector<std::string> key_arr;
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preprandstr(NUM_ENTRIES, data_arr, 5*4096, true);
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preprandstr(NUM_ENTRIES+200, key_arr, 50, true);//well i can handle upto 200
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std::sort(key_arr.begin(), key_arr.end(), &mycmp);
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removeduplicates(key_arr);
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if(key_arr.size() > NUM_ENTRIES)
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key_arr.erase(key_arr.begin()+NUM_ENTRIES, key_arr.end());
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NUM_ENTRIES=key_arr.size();
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if(data_arr.size() > NUM_ENTRIES)
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data_arr.erase(data_arr.begin()+NUM_ENTRIES, data_arr.end());
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printf("Stage 1: Writing %d keys\n", NUM_ENTRIES);
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int dpages = 0;
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int npages = 0;
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DataPage<datatuple> *dp=0;
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int64_t datasize = 0;
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std::vector<pageid_t> dsp;
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for(size_t i = 0; i < NUM_ENTRIES; i++)
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{
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//prepare the tuple
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datatuple* newtuple = datatuple::create(key_arr[i].c_str(), key_arr[i].length()+1, data_arr[i].c_str(), data_arr[i].length()+1);
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datasize += newtuple->byte_length();
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if(dp == NULL)
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{
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dp = ltable.insertTuple(xid, newtuple, ltable_c1);
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dpages++;
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dsp.push_back(dp->get_start_pid());
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}
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else
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{
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if(!dp->append(newtuple))
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{
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npages += dp->get_page_count();
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delete dp;
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dp = ltable.insertTuple(xid, newtuple, ltable_c1);
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dpages++;
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dsp.push_back(dp->get_start_pid());
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}
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}
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datatuple::freetuple(newtuple);
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}
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printf("\nTREE STRUCTURE\n");
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ltable_c1->print_tree(xid);
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printf("Total data set length: %lld\n", datasize);
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printf("Storage utilization: %.2f\n", (datasize+.0) / (PAGE_SIZE * npages));
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printf("Number of datapages: %d\n", dpages);
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printf("Writes complete.\n");
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Tcommit(xid);
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xid = Tbegin();
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printf("Stage 2: Sequentially reading %d tuples\n", NUM_ENTRIES);
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size_t tuplenum = 0;
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treeIterator<datatuple> tree_itr(tree_root);
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datatuple *dt=0;
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while( (dt=tree_itr.getnext()) != NULL)
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{
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assert(dt->keylen() == key_arr[tuplenum].length()+1);
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assert(dt->datalen() == data_arr[tuplenum].length()+1);
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tuplenum++;
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datatuple::freetuple(dt);
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dt = 0;
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}
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assert(tuplenum == key_arr.size());
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printf("Sequential Reads completed.\n");
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int rrsize=key_arr.size() / 3;
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printf("Stage 3: Randomly reading %d tuples by key\n", rrsize);
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for(int i=0; i<rrsize; i++)
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{
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//randomly pick a key
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int ri = rand()%key_arr.size();
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datatuple *dt = ltable.findTuple(xid, (const datatuple::key_t) key_arr[ri].c_str(), (size_t)key_arr[ri].length()+1, ltable_c1);
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assert(dt!=0);
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assert(dt->keylen() == key_arr[ri].length()+1);
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assert(dt->datalen() == data_arr[ri].length()+1);
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datatuple::freetuple(dt);
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dt = 0;
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}
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printf("Random Reads completed.\n");
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Tcommit(xid);
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diskTreeComponent::deinit_stasis();
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}
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/** @test
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*/
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int main()
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{
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insertProbeIter(15000);
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return 0;
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}
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