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Pad: Parallelize record fetching when checking consistency

pull/5512/head
Richard Hansen 2021-12-01 18:55:26 -05:00
parent 096379e6f9
commit 088bb12797
1 changed files with 33 additions and 19 deletions
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52
src/node/db/Pad.js
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@ -649,14 +649,27 @@ class Pad {
pool.eachAttrib((k, v) => {
if (k === 'author' && v) authorIds.add(v);
});
const revs = Stream.range(0, head + 1)
.map(async (r) => {
const isKeyRev = r === this.getKeyRevisionNumber(r);
try {
return await Promise.all([
r,
this.getRevisionChangeset(r),
this.getRevisionAuthor(r),
this.getRevisionDate(r),
isKeyRev,
isKeyRev ? this._getKeyRevisionAText(r) : null,
]);
} catch (err) {
err.message = `(pad ${this.id} revision ${r}) ${err.message}`;
throw err;
}
})
.batch(100).buffer(99);
let atext = Changeset.makeAText('\n');
for (let r = 0; r <= head; ++r) {
for await (const [r, changeset, authorId, timestamp, isKeyRev, keyAText] of revs) {
try {
const [changeset, authorId, timestamp] = await Promise.all([
this.getRevisionChangeset(r),
this.getRevisionAuthor(r),
this.getRevisionDate(r),
]);
assert(authorId != null);
assert.equal(typeof authorId, 'string');
if (authorId) authorIds.add(authorId);
@ -680,9 +693,7 @@ class Pad {
assert.equal(op.attribs, AttributeMap.fromString(op.attribs, pool).toString());
}
atext = Changeset.applyToAText(changeset, atext, pool);
if (r === this.getKeyRevisionNumber(r)) {
assert.deepEqual(await this._getKeyRevisionAText(r), atext);
}
if (isKeyRev) assert.deepEqual(keyAText, atext);
} catch (err) {
err.message = `(pad ${this.id} revision ${r}) ${err.message}`;
throw err;
@ -695,16 +706,19 @@ class Pad {
assert(this.chatHead != null);
assert(Number.isInteger(this.chatHead));
assert(this.chatHead >= -1);
for (c = 0; c <= this.chatHead; ++c) {
try {
const msg = await this.getChatMessage(c);
assert(msg != null);
assert(msg instanceof ChatMessage);
} catch (err) {
err.message = `(pad ${this.id} chat message ${c}) ${err.message}`;
throw err;
}
}
const chats = Stream.range(0, this.chatHead + 1)
.map(async (c) => {
try {
const msg = await this.getChatMessage(c);
assert(msg != null);
assert(msg instanceof ChatMessage);
} catch (err) {
err.message = `(pad ${this.id} chat message ${c}) ${err.message}`;
throw err;
}
})
.batch(100).buffer(99);
for (const p of chats) await p;
await hooks.aCallAll('padCheck', {pad: this});
}