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change all migrations to parallely

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This commit is contained in:
otofune 2017-11-07 23:10:38 +09:00
parent 9f2dc28088
commit 6875b68f3e
2 changed files with 45 additions and 22 deletions
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24
tools/migration/change-gridfs-metadata-name-to-filename.js
View file

@ -19,12 +19,32 @@ async function applyNewChange (doc) {
} }
async function main () { async function main () {
const oldTypeDocs = await DriveFile.find({ const query = {
'metadata.name': { 'metadata.name': {
$exists: true $exists: true
} }
}
const count = await DriveFile.count(query)
const dop = Number.parseInt(process.argv[2]) || 5
const idop = ((count - (count % dop)) / dop) + 1
return zip(
1,
async (time) => {
console.log(`${time} / ${idop}`)
const doc = await db.get('drive_files').find(query, {
limit: dop, skip: time * dop
})
return Promise.all(doc.map(applyNewChange))
},
idop
).then(a => {
const rv = []
a.forEach(e => rv.push(...e))
return rv
}) })
return await Promise.all(oldTypeDocs.map(applyNewChange))
} }
main().then(console.dir).catch(console.error) main().then(console.dir).catch(console.error)

43
tools/migration/issue_882.js
View file

@ -1,6 +1,7 @@
// for Node.js interpret // for Node.js interpret
const { default: DriveFile } = require('../../built/api/models/drive-file') const { default: DriveFile } = require('../../built/api/models/drive-file')
const { default: zip } = require('@prezzemolo/zip')
const migrate = async (doc) => { const migrate = async (doc) => {
const result = await DriveFile.update(doc._id, { const result = await DriveFile.update(doc._id, {
@ -15,30 +16,32 @@ const migrate = async (doc) => {
} }
async function main() { async function main() {
let i = 0; const query = {
'metadata.type': {
const count = await DriveFile.count({}); $exists: true
const iterate = async () => {
if (i == count) return true;
console.log(`${i} / ${count}`);
const doc = (await DriveFile.find({}, { limit: 1, skip: i }))[0]
const res = await migrate(doc);
if (!res) {
return false;
} else {
i++
return await iterate();
} }
} }
const res = await iterate(); const count = await DriveFile.count(query);
if (res) { const dop = Number.parseInt(process.argv[2]) || 5
return 'ok'; const idop = ((count - (count % dop)) / dop) + 1
} else {
throw 'something happened'; return zip(
} 1,
async (time) => {
console.log(`${time} / ${idop}`)
const doc = await db.get('drive_files').find(query, {
limit: dop, skip: time * dop
})
return Promise.all(doc.map(migrate))
},
idop
).then(a => {
const rv = []
a.forEach(e => rv.push(...e))
return rv
})
} }
main().then(console.dir).catch(console.error) main().then(console.dir).catch(console.error)