oqgraph-dev team mailing list archive

[Arjen Lentz <arjen@xxxxxxxxxxxxx>]

oqgraph v3 should resolve this.
obviously has to be tested on "all" platforms before that can be validated as fact,

** Changed in: oqgraph
     Assignee: Antony T Curtis (atcurtis) => OQgraph developers (oqgraph-dev)

** Changed in: oqgraph
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/857699

Title:
  OQGraph tests crash on MariaDB 5.3.1 Beta

Status in Maria:
  New
Status in OQGraph Engine for MariaDB:
  In Progress

Bug description:
  Running the tests on a Gentoo x86_64 box for MariaDB 5.3.1.
  I noticed that the oqgraph.basic and oqgraph.binlog tests crashed.
  They both fail on INSERT with the same backtrace.

  Logs:
  oqgraph.binlog                           [ fail ]
          Test ended at 2011-09-22 10:04:01

  CURRENT_TEST: oqgraph.binlog
  mysqltest: At line 21: query 'insert into graph(origid, destid) values (1,3), (3,1)' failed: 2013: Lost connection to MySQL server during query
  The result from queries just before the failure was:
  drop table if exists graph;
  CREATE TABLE graph (
  latch   SMALLINT  UNSIGNED NULL,
  origid  BIGINT    UNSIGNED NULL,
  destid  BIGINT    UNSIGNED NULL,
  weight  DOUBLE    NULL,
  seq     BIGINT    UNSIGNED NULL,
  linkid  BIGINT    UNSIGNED NULL,
  KEY (latch, origid, destid) USING HASH,
  KEY (latch, destid, origid) USING HASH
  ) ENGINE=OQGRAPH;
  SET binlog_format = row;
  insert into graph(origid, destid) values (1,3), (3,1);

  
  Server [mysqld.1 - pid: 13481, winpid: 13481, exit: 256] failed during test run
  Server log from this test:
  ----------SERVER LOG START-----------
  110922 10:04:01 [Note] Plugin 'PBXT' is disabled.
  110922 10:04:01 [Note] Plugin 'InnoDB' is disabled.
  110922 10:04:01 [Warning] /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld: unknown variable 'loose-debug-sync-timeout=300'22 10:04:01 [Note] Event Scheduler: Loaded 0 events
  110922 10:04:01 [Note] /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld: ready for connections.
  Version: '5.3.1-MariaDB-beta-log'  socket: '/var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/mysql-test/var-ns/tmp/mysqld.1.sock'  port: 11260  Gentoo Linux mariadb-5.3.1_beta;
  This could be because you hit a bug. It is also possible that this binary
  or one of the libraries it was linked against is corrupt, improperly built,
  or misconfigured. This error can also be caused by malfunctioning hardware.
  We will try our best to scrape up some info that will hopefully help diagnose
  the problem, but since we have already crashed, something is definitely wrong
  and this may fail.

  key_buffer_size=0
  read_buffer_size=131072
  max_used_connections=1
  max_threads=153
  threads_connected=1
  It is possible that mysqld could use up to
  key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 60714 K
  bytes of memory
  Hope that's ok; if not, decrease some variables in the equation.

  Thread pointer: 0x1815490
  Attempting backtrace. You can use the following information to find out
  where mysqld died. If you see no messages after this, something went
  terribly wrong...
  stack_bottom = 0x7f087c818ea8 thread_stack 0x48000
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(my_print_stacktrace+0x29) [0x95c675]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(handle_segfault+0x43f) [0x5d2e55]
  /lib64/libpthread.so.0(+0xea90) [0x7f087b6cda90]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/mysql-test/var-ns/plugins/ha_oqgraph.so(open_query::oqgraph::insert_edge(unsigned long long, unsigned long long, double, bool)+0x2ac) [0x7f0871d2955a]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/mysql-test/var-ns/plugins/ha_oqgraph.so(ha_oqgraph::write_row(unsigned char*)+0xcb) [0x7f0871d26375]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(handler::ha_write_row(unsigned char*)+0x3a) [0x6cb874]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(write_record(THD*, st_table*, st_copy_info*)+0x61) [0x656d5c]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool)+0x8ac) [0x65bdaa]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(mysql_execute_command(THD*)+0x18cf) [0x5dfe8e]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(mysql_parse(THD*, char*, unsigned int, char const**)+0x28a) [0x5e3d87]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0xae6) [0x5e5570]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(do_command(THD*)+0xde) [0x5e5f53]
  /var/tmp/portage/dev-db/mariadb-5.3.1_beta/work/mysql/sql/mysqld(handle_one_connection+0x161) [0x5d90a7]
  /lib64/libpthread.so.0(+0x6a7d) [0x7f087b6c5a7d]
  /lib64/libc.so.6(clone+0x6d) [0x7f087ac93d7d]

  Trying to get some variables.
  Some pointers may be invalid and cause the dump to abort.
  Query (0x1831078): insert into graph(origid, destid) values (1,3), (3,1)
  Connection ID (thread ID): 2
  Status: NOT_KILLED
  Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on

  The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
  information that should help you find out what is causing the crash.
  Writing a core file
  ----------SERVER LOG END-------------

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