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Don't use more than a 8th of the system memory as buffers

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Change-type: patch
This commit is contained in:
Alexis Svinartchouk 2020-08-18 17:14:23 +02:00
parent 9f29dc8b76
commit bc092114c1
1 changed files with 6 additions and 1 deletions
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7
lib/gui/modules/child-writer.ts
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@ -18,6 +18,7 @@ import { Drive as DrivelistDrive } from 'drivelist';
import * as sdk from 'etcher-sdk'; import * as sdk from 'etcher-sdk';
import { cleanupTmpFiles } from 'etcher-sdk/build/tmp'; import { cleanupTmpFiles } from 'etcher-sdk/build/tmp';
import * as ipc from 'node-ipc'; import * as ipc from 'node-ipc';
import { totalmem } from 'os';
import { toJSON } from '../../shared/errors'; import { toJSON } from '../../shared/errors';
import { GENERAL_ERROR, SUCCESS } from '../../shared/exit-codes'; import { GENERAL_ERROR, SUCCESS } from '../../shared/exit-codes';
@ -117,7 +118,11 @@ async function writeAndValidate({
onProgress, onProgress,
verify, verify,
trim: autoBlockmapping, trim: autoBlockmapping,
numBuffers: Math.min(2 + (destinations.length - 1) * 32, 256), numBuffers: Math.min(
2 + (destinations.length - 1) * 32,
256,
Math.floor(totalmem() / 1024 ** 2 / 8),
),
decompressFirst, decompressFirst,
}); });
const result: WriteResult = { const result: WriteResult = {