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June 16, 2017 22:51
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GCF memory usage bug
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| const child_process = require('child_process'); | |
| const os = require('os'); | |
| function debug() { | |
| const free = os.freemem(); | |
| const total = os.totalmem(); | |
| console.log('process: ', process.memoryUsage(), 'os: ', { | |
| free, total, | |
| usedMiB: (total - free) / (1024 * 1024) | |
| }); | |
| } | |
| function spawn(command, args, options = {}) { | |
| return new Promise((resolve, reject) => { | |
| const child = child_process.spawn(command, args, options); | |
| child.on('error', err => { | |
| reject(err); | |
| }); | |
| child.on('close', code => { | |
| if (code === 0) { | |
| resolve(code); | |
| } else { | |
| reject(code); | |
| } | |
| }); | |
| }); | |
| } | |
| function spawn_child() { | |
| return spawn('ls', ['/']).then(() => { | |
| debug(); | |
| }); | |
| } | |
| function reproduce_async_spawn(req, res) { | |
| spawn_child() | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(spawn_child) | |
| .then(() => { | |
| res.status(200).send('success').end(); | |
| }) | |
| .catch(err => { | |
| console.log(err); | |
| res.status(500).send('failure').end(); | |
| }); | |
| } | |
| function reproduce_sync_exec(req, res) { | |
| for (let i = 0; i < 10; i++) { | |
| child_process.execSync('ls /'); | |
| debug(); | |
| } | |
| res.status(200).send('done').end(); | |
| } | |
| function reproduce_sync_spawn(req, res) { | |
| for (let i = 0; i < 10; i++) { | |
| child_process.spawnSync('ls' ['/']); | |
| debug(); | |
| } | |
| res.status(200).send('done').end(); | |
| } | |
| module.exports = { | |
| reproduce_async_spawn, | |
| reproduce_sync_exec, | |
| reproduce_sync_spawn | |
| }; |
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| D reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:40.667 Function execution started | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.004 process: { rss: 0, heapTotal: 19959808, heapUsed: 11545824 } os: { free: 1964847104, total: 2147483648, usedMiB: 174.17578125 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.174 process: { rss: 0, heapTotal: 19959808, heapUsed: 12194952 } os: { free: 1912225792, total: 2147483648, usedMiB: 224.359375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.355 process: { rss: 0, heapTotal: 19959808, heapUsed: 12315200 } os: { free: 1860149248, total: 2147483648, usedMiB: 274.0234375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.468 process: { rss: 0, heapTotal: 19959808, heapUsed: 12383104 } os: { free: 1808109568, total: 2147483648, usedMiB: 323.65234375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.578 process: { rss: 0, heapTotal: 19959808, heapUsed: 12455688 } os: { free: 1756065792, total: 2147483648, usedMiB: 373.28515625 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.757 process: { rss: 0, heapTotal: 19959808, heapUsed: 12540984 } os: { free: 1704005632, total: 2147483648, usedMiB: 422.93359375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.870 process: { rss: 0, heapTotal: 19959808, heapUsed: 12602944 } os: { free: 1651965952, total: 2147483648, usedMiB: 472.5625 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:41.980 process: { rss: 0, heapTotal: 19959808, heapUsed: 12677600 } os: { free: 1599922176, total: 2147483648, usedMiB: 522.1953125 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:42.157 process: { rss: 0, heapTotal: 21008384, heapUsed: 12771520 } os: { free: 1548132352, total: 2147483648, usedMiB: 571.5859375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:42.279 process: { rss: 0, heapTotal: 21008384, heapUsed: 12875224 } os: { free: 1495957504, total: 2147483648, usedMiB: 621.34375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:42.383 process: { rss: 0, heapTotal: 21008384, heapUsed: 12952008 } os: { free: 1443995648, total: 2147483648, usedMiB: 670.8984375 } | |
| I reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:42.562 process: { rss: 0, heapTotal: 21008384, heapUsed: 13069160 } os: { free: 1391910912, total: 2147483648, usedMiB: 720.5703125 } | |
| D reproduce_async_spawn k7hje5hwji8h 2017-06-16 22:48:42.565 Function execution took 1899 ms, finished with status code: 200 | |
| D reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:49.156 Function execution started | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:49.516 process: { rss: 0, heapTotal: 19959808, heapUsed: 11396448 } os: { free: 1973428224, total: 2147483648, usedMiB: 165.9921875 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:49.638 process: { rss: 0, heapTotal: 19959808, heapUsed: 11930808 } os: { free: 1920274432, total: 2147483648, usedMiB: 216.68359375 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:49.832 process: { rss: 0, heapTotal: 19959808, heapUsed: 11954440 } os: { free: 1876713472, total: 2147483648, usedMiB: 258.2265625 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.023 process: { rss: 0, heapTotal: 19959808, heapUsed: 11975128 } os: { free: 1832968192, total: 2147483648, usedMiB: 299.9453125 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.131 process: { rss: 0, heapTotal: 19959808, heapUsed: 11995784 } os: { free: 1789841408, total: 2147483648, usedMiB: 341.07421875 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.329 process: { rss: 0, heapTotal: 19959808, heapUsed: 12016440 } os: { free: 1754652672, total: 2147483648, usedMiB: 374.6328125 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.520 process: { rss: 0, heapTotal: 19959808, heapUsed: 12037128 } os: { free: 1702539264, total: 2147483648, usedMiB: 424.33203125 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.717 process: { rss: 0, heapTotal: 19959808, heapUsed: 12057784 } os: { free: 1658363904, total: 2147483648, usedMiB: 466.4609375 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:50.832 process: { rss: 0, heapTotal: 19959808, heapUsed: 12078440 } os: { free: 1615265792, total: 2147483648, usedMiB: 507.5625 } | |
| I reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:51.024 process: { rss: 0, heapTotal: 19959808, heapUsed: 12099080 } os: { free: 1571155968, total: 2147483648, usedMiB: 549.62890625 } | |
| D reproduce_sync_spawn qb4dbmrcxogh 2017-06-16 22:48:51.031 Function execution took 1876 ms, finished with status code: 200 | |
| D reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:56.677 Function execution started | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:57.103 process: { rss: 0, heapTotal: 19959808, heapUsed: 11418752 } os: { free: 1957081088, total: 2147483648, usedMiB: 181.58203125 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:57.300 process: { rss: 0, heapTotal: 19959808, heapUsed: 11956832 } os: { free: 1889603584, total: 2147483648, usedMiB: 245.93359375 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:57.501 process: { rss: 0, heapTotal: 19959808, heapUsed: 11980960 } os: { free: 1834307584, total: 2147483648, usedMiB: 298.66796875 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:57.626 process: { rss: 0, heapTotal: 19959808, heapUsed: 12002144 } os: { free: 1776574464, total: 2147483648, usedMiB: 353.7265625 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:57.818 process: { rss: 0, heapTotal: 19959808, heapUsed: 12023328 } os: { free: 1716580352, total: 2147483648, usedMiB: 410.94140625 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.005 process: { rss: 0, heapTotal: 19959808, heapUsed: 12044480 } os: { free: 1656586240, total: 2147483648, usedMiB: 468.15625 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.201 process: { rss: 0, heapTotal: 19959808, heapUsed: 12065624 } os: { free: 1596592128, total: 2147483648, usedMiB: 525.37109375 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.404 process: { rss: 0, heapTotal: 19959808, heapUsed: 12086776 } os: { free: 1529561088, total: 2147483648, usedMiB: 589.296875 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.606 process: { rss: 0, heapTotal: 19959808, heapUsed: 12107952 } os: { free: 1476599808, total: 2147483648, usedMiB: 639.8046875 } | |
| I reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.803 process: { rss: 0, heapTotal: 19959808, heapUsed: 12129104 } os: { free: 1416605696, total: 2147483648, usedMiB: 697.01953125 } | |
| D reproduce_sync_exec oz4wjlqdcnui 2017-06-16 22:48:58.808 Function execution took 2131 ms, finished with status code: 200 |
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