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RDS keeps crashing, and I'm not sure why?

For the second time this week, RDS has crashed on us. We've been on RDS for a few years now and it has been very solid, so it was concerning that we are suddenly crashing out of the blue. There have been no major code changes or database insertions aside from typical day-to-day usage. General usage of our website (and thus the database) has increased because right now is our busy season, but we our servers are typically very well spec'd for our workload.
After looking at the log below, at first I looked at the warnings for InnoDB: page_cleaner, however the last of these happened a full minute before the server crash. The big import that is going on here happens every day and hasn't been crashing so far, so I'm not sure that this would be the reason.
Next I looked at the terminate called after throwing an instance of 'std::out_of_range', and this looks like it may just be an internal problem w/ the hardware our host is on?
Does anyone have any idea on here to troubleshoot this? Should I consider forcing a failover in hopes that the VM moves to a new physical host, if there is something wrong at the hardware level? Or just wait a few more days and see if this still keeps happening?
On the first crash, Monday, there was nothing at all in the error logs. Today there was this in mysql-error-running.log:
2018-03-01T14:30:45.136844Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 7879ms. The settings might not be optimal. (flushed=17 and evicted=0, during the time.) 2018-03-01T14:31:16.566284Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4939ms. The settings might not be optimal. (flushed=101 and evicted=0, during the time.) 2018-03-01T14:31:24.089055Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4521ms. The settings might not be optimal. (flushed=12 and evicted=0, during the time.) 2018-03-01T14:31:30.846494Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4755ms. The settings might not be optimal. (flushed=202 and evicted=0, during the time.) 2018-03-01T14:31:45.883887Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 6521ms. The settings might not be optimal. (flushed=11 and evicted=0, during the time.) 2018-03-01T14:32:37.138926Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 4333ms. The settings might not be optimal. (flushed=164 and evicted=0, during the time.) 2018-03-01T14:33:35.711954Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 9521ms. The settings might not be optimal. (flushed=202 and evicted=0, during the time.) terminate called after throwing an instance of 'std::out_of_range' what(): vector::_M_range_check 14:33:44 UTC - mysqld got signal 6 ; 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. Attempting to collect some information that could help diagnose the problem. As this is a crash and something is definitely wrong, the information collection process might fail. key_buffer_size=16777216 read_buffer_size=262144 max_used_connections=114 max_threads=606 thread_count=22 connection_count=21 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 334742 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x0 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 = 0 thread_stack 0x40000 /rdsdbbin/mysql/bin/mysqld(my_print_stacktrace+0x2c)[0xebcf9c] /rdsdbbin/mysql/bin/mysqld(handle_fatal_signal+0x451)[0x7afa31] /lib64/libpthread.so.0(+0xf5b0)[0x2b61129845b0] /lib64/libc.so.6(gsignal+0x39)[0x2b6113c1fbe9] /lib64/libc.so.6(abort+0x148)[0x2b6113c20fe8] /uslib64/libstdc++.so.6(_ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x155)[0x2b6113434535] /uslib64/libstdc++.so.6(+0x5e6c6)[0x2b61134326c6] /uslib64/libstdc++.so.6(+0x5e6f3)[0x2b61134326f3] /uslib64/libstdc++.so.6(+0x5e91f)[0x2b611343291f] /uslib64/libstdc++.so.6(_ZSt20__throw_out_of_rangePKc+0x67)[0x2b6113484177] /rdsdbbin/mysql/bin/mysqld[0x119848f] /rdsdbbin/mysql/bin/mysqld[0x119b5b6] /rdsdbbin/mysql/bin/mysqld(_Z17dict_stats_updateP12dict_table_t23dict_stats_upd_option_t+0x11b6)[0x119e3e6] /rdsdbbin/mysql/bin/mysqld(dict_stats_thread+0x9da)[0x11a091a] /lib64/libpthread.so.0(+0x7f18)[0x2b611297cf18] /lib64/libc.so.6(clone+0x6d)[0x2b6113cceb2d] 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. 2018-03-01T14:34:04.003707Z 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set. 2018-03-01T14:34:04.005902Z 0 [Warning] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory. 2018-03-01T14:34:04.005942Z 0 [Note] /rdsdbbin/mysql/bin/mysqld (mysqld 5.7.17-log) starting as process 28601 ... 2018-03-01T14:34:04.174484Z 0 [Note] InnoDB: PUNCH HOLE support available 2018-03-01T14:34:04.174520Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2018-03-01T14:34:04.174529Z 0 [Note] InnoDB: Uses event mutexes 2018-03-01T14:34:04.174536Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 2018-03-01T14:34:04.174542Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3 2018-03-01T14:34:04.174556Z 0 [Note] InnoDB: Using Linux native AIO 2018-03-01T14:34:04.184830Z 0 [Note] InnoDB: Number of pools: 1 2018-03-01T14:34:04.184951Z 0 [Note] InnoDB: Using CPU crc32 instructions 2018-03-01T14:34:04.219820Z 0 [Note] InnoDB: Initializing buffer pool, total size = 6G, instances = 8, chunk size = 128M 2018-03-01T14:34:04.594650Z 0 [Note] InnoDB: Completed initialization of buffer pool 2018-03-01T14:34:04.678563Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority(). 2018-03-01T14:34:04.757970Z 0 [Note] InnoDB: Highest supported file format is Barracuda. 2018-03-01T14:34:04.828135Z 0 [Note] InnoDB: Log scan progressed past the checkpoint lsn 6409098273523 2018-03-01T14:34:05.656443Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409103516160 2018-03-01T14:34:05.838074Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409108759040 2018-03-01T14:34:06.025072Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409114001920 2018-03-01T14:34:06.234941Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409119244800 2018-03-01T14:34:06.459061Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409100435968 2018-03-01T14:34:06.609995Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409105678848 2018-03-01T14:34:06.759718Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409110921728 2018-03-01T14:34:06.932052Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409116164608 2018-03-01T14:34:07.089776Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409121407488 2018-03-01T14:34:07.120544Z 0 [Note] InnoDB: Doing recovery: scanned up to log sequence number 6409122435936 2018-03-01T14:34:07.121893Z 0 [Note] InnoDB: Database was not shutdown normally! 2018-03-01T14:34:07.121907Z 0 [Note] InnoDB: Starting crash recovery. 2018-03-01T14:34:10.945746Z 0 [Note] InnoDB: Transaction 7206585625 was in the XA prepared state. 2018-03-01T14:34:11.073688Z 0 [Note] InnoDB: 1 transaction(s) which must be rolled back or cleaned up in total 0 row operations to undo 2018-03-01T14:34:11.073709Z 0 [Note] InnoDB: Trx id counter is 7206586112 2018-03-01T14:34:11.073755Z 0 [Note] InnoDB: Starting an apply batch of log records to the database... InnoDB: Progress in percent: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 2018-03-01T14:34:15.703741Z 0 [Note] InnoDB: Apply batch completed 2018-03-01T14:34:15.703792Z 0 [Note] InnoDB: Last MySQL binlog file position 0 24395327, file name mysql-bin-changelog.452349 2018-03-01T14:34:44.784545Z 0 [Note] InnoDB: Starting in background the rollback of uncommitted transactions 2018-03-01T14:34:44.784594Z 0 [Note] InnoDB: Rollback of non-prepared transactions completed 2018-03-01T14:34:44.860207Z 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1" 2018-03-01T14:34:44.860224Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables 2018-03-01T14:34:44.860271Z 0 [Note] InnoDB: Setting file '/rdsdbdata/db/innodb/ibtmp1' size to 12 MB. Physically writing the file full; Please wait ... 2018-03-01T14:34:45.517983Z 0 [Note] InnoDB: File '/rdsdbdata/db/innodb/ibtmp1' size is now 12 MB. 2018-03-01T14:34:45.519113Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active. 2018-03-01T14:34:45.519129Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active. 2018-03-01T14:34:45.519933Z 0 [Note] InnoDB: Waiting for purge to start 2018-03-01T14:34:45.570093Z 0 [Note] InnoDB: 5.7.17 started; log sequence number 6409122435936 2018-03-01T14:34:45.570103Z 0 [Note] InnoDB: page_cleaner: 1000ms intended loop took 40892ms. The settings might not be optimal. (flushed=0 and evicted=0, during the time.) 2018-03-01T14:34:45.570227Z 0 [Note] InnoDB: Loading buffer pool(s) from /rdsdbdata/db/innodb/ib_buffer_pool 2018-03-01T14:34:45.575204Z 0 [Note] Plugin 'FEDERATED' is disabled. 2018-03-01T14:34:45.733468Z 0 [Note] Recovering after a crash using /rdsdbdata/log/binlog/mysql-bin-changelog 2018-03-01T14:34:46.650715Z 0 [Note] Starting crash recovery... 2018-03-01T14:34:46.650816Z 0 [Note] InnoDB: Starting recovery for XA transactions... 2018-03-01T14:34:46.650833Z 0 [Note] InnoDB: Transaction 7206585625 in prepared state after recovery 2018-03-01T14:34:46.650840Z 0 [Note] InnoDB: Transaction contains changes to 1 rows 2018-03-01T14:34:46.650846Z 0 [Note] InnoDB: 1 transactions in prepared state after recovery 2018-03-01T14:34:46.650852Z 0 [Note] Found 1 prepared transaction(s) in InnoDB 2018-03-01T14:34:46.762658Z 0 [Note] Crash recovery finished. 2018-03-01T14:34:47.042052Z 0 [Note] Server hostname (bind-address): '*'; port: 3306 2018-03-01T14:34:47.042107Z 0 [Note] IPv6 is available. 2018-03-01T14:34:47.042119Z 0 [Note] - '::' resolves to '::'; 2018-03-01T14:34:47.042125Z 0 [Note] Server socket created on IP: '::'. 2018-03-01T14:34:48.022517Z 0 [Note] Event Scheduler: Loaded 0 events 2018-03-01T14:34:48.022672Z 1 [Note] Event Scheduler: scheduler thread started with id 1 2018-03-01T14:34:48.022681Z 0 [Note] Executing 'SELECT * FROM INFORMATION_SCHEMA.TABLES;' to get a list of tables using the deprecated partition engine. You may use the startup option '--disable-partition-engine-check' to skip this check. 2018-03-01T14:34:48.022716Z 0 [Note] Beginning of list of non-natively partitioned tables 2018-03-01T14:34:58.806141Z 0 [Note] End of list of non-natively partitioned tables 2018-03-01T14:34:58.806284Z 0 [Note] /rdsdbbin/mysql/bin/mysqld: ready for connections. Version: '5.7.17-log' socket: '/tmp/mysql.sock' port: 3306 MySQL Community Server (GPL) 2018-03-01T14:34:58.813212Z 8 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813247Z 9 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813265Z 4 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813293Z 6 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813363Z 12 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813451Z 11 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813494Z 5 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813507Z 10 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813459Z 13 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.813584Z 7 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.814117Z 14 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.814596Z 16 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.815370Z 18 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:34:58.815864Z 15 [Warning] IP address '192.168.192.28' could not be resolved: Name or service not known 2018-03-01T14:35:24.227689Z 346 [Warning] IP address '192.168.192.22' could not be resolved: Name or service not known 2018-03-01T14:36:18.716521Z 839 [Warning] IP address '192.168.192.27' could not be resolved: Name or service not known 2018-03-01T14:40:16.093875Z 0 [Note] InnoDB: Buffer pool(s) load completed at 180301 14:40:16 
submitted by DOOManiac to aws [link] [comments]

Adafruit Space Invader pendant. Want to convert to using a bicolor 1.2 led matrix. How would the code change?

 // Trinket/Gemma + LED matrix backpack jewelry. Plays animated // sequence on LED matrix. Press reset button to display again, // or add optional momentary button between pin #1 and +V. // THERE IS NO ANIMATION DATA IN THIS SOURCE FILE, you should // rarely need to change anything here. EDIT anim.h INSTEAD. #define BRIGHTNESS 14 // 0=min, 15=max #define I2C_ADDR 0x70 // Edit if backpack A0/A1 jumpers set #include  #include  #include  #include "anim2.h" // Animation data is located here #include "anim3.h" // Animation data is located here #include "anim4.h" // Animation data is located here static const uint8_t PROGMEM reorder[] = { // Column-reordering table 0x00,0x40,0x20,0x60,0x10,0x50,0x30,0x70,0x08,0x48,0x28,0x68,0x18,0x58,0x38,0x78, 0x04,0x44,0x24,0x64,0x14,0x54,0x34,0x74,0x0c,0x4c,0x2c,0x6c,0x1c,0x5c,0x3c,0x7c, 0x02,0x42,0x22,0x62,0x12,0x52,0x32,0x72,0x0a,0x4a,0x2a,0x6a,0x1a,0x5a,0x3a,0x7a, 0x06,0x46,0x26,0x66,0x16,0x56,0x36,0x76,0x0e,0x4e,0x2e,0x6e,0x1e,0x5e,0x3e,0x7e, 0x01,0x41,0x21,0x61,0x11,0x51,0x31,0x71,0x09,0x49,0x29,0x69,0x19,0x59,0x39,0x79, 0x05,0x45,0x25,0x65,0x15,0x55,0x35,0x75,0x0d,0x4d,0x2d,0x6d,0x1d,0x5d,0x3d,0x7d, 0x03,0x43,0x23,0x63,0x13,0x53,0x33,0x73,0x0b,0x4b,0x2b,0x6b,0x1b,0x5b,0x3b,0x7b, 0x07,0x47,0x27,0x67,0x17,0x57,0x37,0x77,0x0f,0x4f,0x2f,0x6f,0x1f,0x5f,0x3f,0x7f, 0x80,0xc0,0xa0,0xe0,0x90,0xd0,0xb0,0xf0,0x88,0xc8,0xa8,0xe8,0x98,0xd8,0xb8,0xf8, 0x84,0xc4,0xa4,0xe4,0x94,0xd4,0xb4,0xf4,0x8c,0xcc,0xac,0xec,0x9c,0xdc,0xbc,0xfc, 0x82,0xc2,0xa2,0xe2,0x92,0xd2,0xb2,0xf2,0x8a,0xca,0xaa,0xea,0x9a,0xda,0xba,0xfa, 0x86,0xc6,0xa6,0xe6,0x96,0xd6,0xb6,0xf6,0x8e,0xce,0xae,0xee,0x9e,0xde,0xbe,0xfe, 0x81,0xc1,0xa1,0xe1,0x91,0xd1,0xb1,0xf1,0x89,0xc9,0xa9,0xe9,0x99,0xd9,0xb9,0xf9, 0x85,0xc5,0xa5,0xe5,0x95,0xd5,0xb5,0xf5,0x8d,0xcd,0xad,0xed,0x9d,0xdd,0xbd,0xfd, 0x83,0xc3,0xa3,0xe3,0x93,0xd3,0xb3,0xf3,0x8b,0xcb,0xab,0xeb,0x9b,0xdb,0xbb,0xfb, 0x87,0xc7,0xa7,0xe7,0x97,0xd7,0xb7,0xf7,0x8f,0xcf,0xaf,0xef,0x9f,0xdf,0xbf,0xff }; int animationSection = 0; void ledCmd(uint8_t x) { // Issue command to LED backback driver Wire.beginTransmission(I2C_ADDR); Wire.write(x); Wire.endTransmission(); } void clear(void) { // Clear display buffer Wire.beginTransmission(I2C_ADDR); for(uint8_t i=0; i<17; i++) Wire.write(0); Wire.endTransmission(); } void setup() { power_timer1_disable(); // Disable unused peripherals power_adc_disable(); // to save power PCMSK |= _BV(PCINT1); // Set change mask for pin 1 Wire.begin(); // I2C init clear(); // Blank display ledCmd(0x21); // Turn on oscillator ledCmd(0xE0 | BRIGHTNESS); // Set brightness ledCmd(0x81); // Display on, no blink } uint8_t rep = REPS; void loop() { switch (animationSection) { case 0: for(int i=0; i 10) { animationSection = 0; } if(!--rep) { // If last cycle... ledCmd(0x20); // LED matrix in standby mode // GIMSK = _BV(PCIE); // Enable pin change interrupt // power_all_disable(); // All peripherals off // set_sleep_mode(SLEEP_MODE_PWR_DOWN); // sleep_enable(); // sei(); // Keep interrupts disabled // sleep_mode(); // Power down CPU (pin 1 will wake) // Execution resumes here on wake. // PLD - Simply Sleep for 2 minutes then start again... //delay(100000); //delay(100000); delay(120000); animationSection = 0; GIMSK = 0; // Disable pin change interrupt rep = REPS; // Reset animation counter power_timer0_enable(); // Re-enable timer power_usi_enable(); // Re-enable USI Wire.begin(); // Re-init I2C clear(); // Blank display ledCmd(0x21); // Re-enable matrix } } ISR(PCINT0_vect) {} // Button tap 
This is a section of the anim file. I want to be able to set the various colors in these "frames"
// Animation data for Trinket/Gemma + LED matrix backpack jewelry. // Edit this file to change the animation; it's unlikely you'll need // to edit the source code. #define REPS 10 // Number of times to repeat the animation loop (1-255) const int frameSpeed2 = 3; const uint8_t PROGMEM anim2[] = { // Animation bitmaps. Each frame of animation MUST contain // 8 lines of graphics data (there is no error checking for // length). Each line should be prefixed with the letter 'B', // followed by exactly 8 binary digits (0 or 1), no more, // no less (again, no error checking). '0' represents an // 'off' pixel, '1' an 'on' pixel. End line with a comma. B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, B00000000, frameSpeed2, // 0.10 seconds }; 
submitted by pldiguanaman to arduino [link] [comments]

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