Can you help with this case where randomly some queries are ruturning with the {"error": "database disk image is malformed"}
error?
What version are you running?
v7.6.1
Are you using Docker or Kubernetes to run your system?
No
Are you running a single node or a cluster?
Cluster with 3 nodes.
What did you do?
A python application using sqlalchemy-rqlite and pyrqlite performing simple SELECT query in just one table.
What did you expect to happen?
Get the result back from the query.
What happened instead?
Randomly get the following error: {"error": "database disk image is malformed"}
Please include the Status, Nodes, and Expvar output from each node (or at least the Leader!)
Status:
curl 192.168.100.116:4001/status?pretty
{
"build": {
"branch": "master",
"build_time": "2022-08-07T09:23:22-0400",
"commit": "58568a4577940bf3adf8794c9e6e977a36e9e5db",
"compiler": "gc",
"version": "v7.6.1"
},
"cluster": {
"addr": "192.168.100.116:4002",
"api_addr": "192.168.100.116:4001",
"https": "false"
},
"http": {
"auth": "disabled",
"bind_addr": "192.168.100.116:4001",
"cluster": {
"conn_pool_stats": {
"192.168.100.114:4002": {
"idle": 4,
"max_open_connections": 64,
"open_connections": 4
},
"192.168.100.189:4002": {
"idle": 3,
"max_open_connections": 64,
"open_connections": 4
}
},
"local_node_addr": "192.168.100.116:4002",
"timeout": 30000000000
},
"queue": {
"_default": {
"batch_size": 16,
"max_size": 128,
"sequence_number": 0,
"timeout": 50000000
}
}
},
"last_backup_time": "2022-11-01T03:00:04.12518951Z",
"node": {
"current_time": "2022-11-01T16:41:43.449966112Z",
"start_time": "2022-10-28T17:26:47.632592627Z",
"uptime": "95h14m55.817374557s"
},
"os": {
"executable": "/usr/bin/rqlited",
"hostname": "nodew-2",
"page_size": 4096,
"pid": 14912,
"ppid": 14911
},
"runtime": {
"GOARCH": "amd64",
"GOMAXPROCS": 32,
"GOOS": "linux",
"num_cpu": 32,
"num_goroutine": 62,
"version": "go1.18"
},
"store": {
"addr": "192.168.100.116:4002",
"apply_timeout": "10s",
"db_applied_index": 332019,
"db_conf": {
"memory": true,
"fk_constraints": true
},
"dir": "/var/rqlited",
"dir_size": 84744671,
"election_timeout": "1s",
"fsm_index": 332019,
"heartbeat_timeout": "1s",
"leader": {
"addr": "192.168.100.116:4002",
"node_id": "nodew-2"
},
"no_freelist_sync": false,
"node_id": "nodew-2",
"nodes": [
{
"id": "nodeh-2",
"addr": "192.168.100.189:4002",
"suffrage": "Voter"
},
{
"id": "nodep-2",
"addr": "192.168.100.114:4002",
"suffrage": "Voter"
},
{
"id": "nodew-2",
"addr": "192.168.100.116:4002",
"suffrage": "Voter"
}
],
"observer": {
"dropped": 0,
"observed": 3
},
"raft": {
"applied_index": 332019,
"bolt": {
"FreePageN": 3694,
"PendingPageN": 12,
"FreeAlloc": 15179776,
"FreelistInuse": 29664,
"TxN": 91963,
"OpenTxN": 0,
"TxStats": {
"PageCount": 429033,
"PageAlloc": 1757319168,
"CursorCount": 280132,
"NodeCount": 136762,
"NodeDeref": 0,
"Rebalance": 16908,
"RebalanceTime": 14209681,
"Split": 8192,
"Spill": 136448,
"SpillTime": 2367516609,
"Write": 200584,
"WriteTime": 13715151494
}
},
"commit_index": 332019,
"fsm_pending": 0,
"last_contact": 0,
"last_log_index": 332019,
"last_log_term": 21,
"last_snapshot_index": 325181,
"last_snapshot_term": 21,
"latest_configuration": "[{Suffrage:Voter ID:nodep-2 Address:192.168.100.114:4002} {Suffrage:Voter ID:nodew-2 Address:192.168.100.116:4002} {Suffrage:Voter ID:nodeh-2 Address:192.168.100.189:4002}]",
"latest_configuration_index": 0,
"log_size": 41955328,
"num_peers": 2,
"protocol_version": 3,
"protocol_version_max": 3,
"protocol_version_min": 0,
"snapshot_version_max": 1,
"snapshot_version_min": 0,
"state": "Leader",
"term": 21
},
"request_marshaler": {
"compression_batch": 5,
"compression_size": 150,
"force_compression": false
},
"snapshot_interval": 30000000000,
"snapshot_threshold": 8192,
"sqlite3": {
"compile_options": [
"ATOMIC_INTRINSICS=1",
"COMPILER=gcc-9.4.0",
"DEFAULT_AUTOVACUUM",
"DEFAULT_CACHE_SIZE=-2000",
"DEFAULT_FILE_FORMAT=4",
"DEFAULT_JOURNAL_SIZE_LIMIT=-1",
"DEFAULT_MMAP_SIZE=0",
"DEFAULT_PAGE_SIZE=4096",
"DEFAULT_PCACHE_INITSZ=20",
"DEFAULT_RECURSIVE_TRIGGERS",
"DEFAULT_SECTOR_SIZE=4096",
"DEFAULT_SYNCHRONOUS=2",
"DEFAULT_WAL_AUTOCHECKPOINT=1000",
"DEFAULT_WAL_SYNCHRONOUS=1",
"DEFAULT_WORKER_THREADS=0",
"ENABLE_DBSTAT_VTAB",
"ENABLE_FTS3",
"ENABLE_FTS3_PARENTHESIS",
"ENABLE_RTREE",
"ENABLE_UPDATE_DELETE_LIMIT",
"MALLOC_SOFT_LIMIT=1024",
"MAX_ATTACHED=10",
"MAX_COLUMN=2000",
"MAX_COMPOUND_SELECT=500",
"MAX_DEFAULT_PAGE_SIZE=8192",
"MAX_EXPR_DEPTH=1000",
"MAX_FUNCTION_ARG=127",
"MAX_LENGTH=1000000000",
"MAX_LIKE_PATTERN_LENGTH=50000",
"MAX_MMAP_SIZE=0x7fff0000",
"MAX_PAGE_COUNT=1073741823",
"MAX_PAGE_SIZE=65536",
"MAX_SQL_LENGTH=1000000000",
"MAX_TRIGGER_DEPTH=1000",
"MAX_VARIABLE_NUMBER=32766",
"MAX_VDBE_OP=250000000",
"MAX_WORKER_THREADS=8",
"MUTEX_PTHREADS",
"OMIT_DEPRECATED",
"OMIT_LOAD_EXTENSION",
"OMIT_SHARED_CACHE",
"SYSTEM_MALLOC",
"TEMP_STORE=1",
"THREADSAFE=1"
],
"conn_pool_stats": {
"ro": {
"max_open_connections": 0,
"open_connections": 2,
"in_use": 0,
"idle": 2,
"wait_count": 0,
"wait_duration": 0,
"max_idle_closed": 566,
"max_idle_time_closed": 0,
"max_lifetime_closed": 0
},
"rw": {
"max_open_connections": 1,
"open_connections": 1,
"in_use": 0,
"idle": 1,
"wait_count": 0,
"wait_duration": 0,
"max_idle_closed": 0,
"max_idle_time_closed": 0,
"max_lifetime_closed": 0
}
},
"db_size": 129212416,
"mem_stats": {
"cache_size": -2000,
"freelist_count": 0,
"hard_heap_limit": 0,
"max_page_count": 1073741823,
"page_count": 31546,
"page_size": 4096,
"soft_heap_limit": 0
},
"path": ":memory:",
"ro_dsn": "file:/FiGbErArFfLlJdfkfsfB?mode=ro\u0026vfs=memdb\u0026_txlock=deferred\u0026_fk=true",
"rw_dsn": "file:/FiGbErArFfLlJdfkfsfB?mode=rw\u0026vfs=memdb\u0026_txlock=immediate\u0026_fk=true",
"version": "3.38.5"
},
"startup_on_disk": false,
"trailing_logs": 10240
}
}
Nodes:
curl 192.168.100.116:4001/nodes?pretty
{
"nodeh-2": {
"api_addr": "http://192.168.100.189:4001",
"addr": "192.168.100.189:4002",
"reachable": true,
"leader": false,
"time": 0.001642888
},
"nodep-2": {
"api_addr": "http://192.168.100.114:4001",
"addr": "192.168.100.114:4002",
"reachable": true,
"leader": false,
"time": 0.001582912
},
"nodew-2": {
"api_addr": "http://192.168.100.116:4001",
"addr": "192.168.100.116:4002",
"reachable": true,
"leader": true,
"time": 0.00006786
}
}
Expvar:
curl 192.168.100.116:4001/debug/vars
{
"cluster": {"num_execute_req": 21509, "num_get_node_api_req": 2296, "num_get_node_api_req_local": 1182, "num_get_node_api_resp": 2296, "num_query_req": 112289},
"cmdline": ["/usr/bin/rqlited","-fk=true","-node-id","nodew-2","-http-addr","192.168.100.116:4001","-raft-addr","192.168.100.116:4002","-bootstrap-expect","3","-join","http://192.168.100.116:4001,http://192.168.100.114:4001,http://192.168.100.189:4001","/var/rqlited"],
"db": {"execute_transactions": 40001, "execution_errors": 1, "executions": 40002, "queries": 164992, "query_errors": 15, "query_transactions": 0},
"http": {"authFail": 0, "authOK": 65019, "backups": 12, "executions": 10294, "joins": 0, "leader_not_found": 0, "loads": 0, "notifies": 0, "num_readyz": 1144, "num_status": 2, "queries": 53528, "queued_executions": 0, "queued_executions_failed": 0, "queued_executions_ok": 0, "queued_executions_wait": 0, "remote_executions": 161, "remote_queries": 843},
"memstats": 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Size":13568,"Mallocs":973,"Frees":973},{"Size":14336,"Mallocs":598,"Frees":598},{"Size":16384,"Mallocs":1565,"Frees":1560},{"Size":18432,"Mallocs":1563,"Frees":1563}]},
"mux": {"num_connections_handled": 10, "num_unregistered_handlers": 0},
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}