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Implemented:

Browse Source 
- History dialog

Improved:
- Speed up Garbage Collection.
This commit is contained in:
vorotamoroz
2022-01-13 17:41:45 +09:00
parent ebcb059d99
commit 15b580aa9a
9 changed files with 222 additions and 20 deletions
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src/LocalPouchDB.ts
+28 -15
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@@ -121,7 +121,7 @@ export class LocalPouchDB {
this.changeHandler = this.cancelHandler(this.changeHandler);
this.localDatabase = null;
this.localDatabase = new PouchDB<EntryDoc>(this.dbname + "-livesync", {
auto_compaction: true,
auto_compaction: this.settings.useHistory ? false : true,
revs_limit: 100,
deterministic_revs: true,
});
@@ -1204,7 +1204,13 @@ export class LocalPouchDB {
}
return false;
}
async garbageCollect() {
// if (this.settings.useHistory) {
// Logger("GC skipped for using history", LOG_LEVEL.VERBOSE);
// return;
// }
// NOTE:Garbage collection could break old revisions.
await runWithLock("replicate", true, async () => {
if (this.gcRunning) return;
this.gcRunning = true;
@@ -1218,29 +1224,36 @@ export class LocalPouchDB {
let usedPieces: string[] = [];
Logger("Collecting Garbage");
do {
const result = await this.localDatabase.allDocs({ include_docs: true, skip: c, limit: 500, conflicts: true });
const result = await this.localDatabase.allDocs({ include_docs: false, skip: c, limit: 2000, conflicts: true });
readCount = result.rows.length;
Logger("checked:" + readCount);
if (readCount > 0) {
//there are some result
for (const v of result.rows) {
const doc = v.doc;
if (doc.type == "newnote" || doc.type == "plain") {
// used pieces memo.
usedPieces = Array.from(new Set([...usedPieces, ...doc.children]));
if (doc._conflicts) {
for (const cid of doc._conflicts) {
const p = await this.localDatabase.get<EntryDoc>(doc._id, { rev: cid });
if (p.type == "newnote" || p.type == "plain") {
usedPieces = Array.from(new Set([...usedPieces, ...p.children]));
if (v.id.startsWith("h:")) {
hashPieces = Array.from(new Set([...hashPieces, v.id]));
} else {
const docT = await this.localDatabase.get(v.id, { revs_info: true });
const revs = docT._revs_info;
// console.log(`revs:${revs.length}`)
for (const rev of revs) {
if (rev.status != "available") continue;
// console.log(`id:${docT._id},rev:${rev.rev}`);
const doc = await this.localDatabase.get(v.id, { rev: rev.rev });
if ("children" in doc) {
// used pieces memo.
usedPieces = Array.from(new Set([...usedPieces, ...doc.children]));
if (doc._conflicts) {
for (const cid of doc._conflicts) {
const p = await this.localDatabase.get<EntryDoc>(doc._id, { rev: cid });
if (p.type == "newnote" || p.type == "plain") {
usedPieces = Array.from(new Set([...usedPieces, ...p.children]));
}
}
}
}
}
}
if (doc.type == "leaf") {
// all pieces.
hashPieces = Array.from(new Set([...hashPieces, doc._id]));
}
}
}
c += readCount;