@cocalc/hub/dist/run/maintenance-syncstrings.js

CoCalc: Backend webserver component

#!/usr/bin/env node
/*
Moving patches from non-recently-used syncstrings to blobs.
*/
const postgres = require("@cocalc/database");
const db = postgres.db({ ensure_exists: false });
let { WAIT_BETWEEN_RUNS_S, MAX_SYNCSTRINGS_PER_RUN, SYNCSTRINGS_AT_ONCE, MIN_AGE_DAYS, DELAY_MS, } = process.env;
if (WAIT_BETWEEN_RUNS_S == null) {
    WAIT_BETWEEN_RUNS_S = "30";
}
if (MAX_SYNCSTRINGS_PER_RUN == null) {
    MAX_SYNCSTRINGS_PER_RUN = "100";
}
if (SYNCSTRINGS_AT_ONCE == null) {
    SYNCSTRINGS_AT_ONCE = "1";
}
if (MIN_AGE_DAYS == null) {
    MIN_AGE_DAYS = "60.5";
}
if (DELAY_MS == null) {
    DELAY_MS = "5000";
}
function syncstring_maintenance(cb) {
    console.log(`syncstring_maintenance: moving patches for up to ${MAX_SYNCSTRINGS_PER_RUN} syncstrings at least ${MIN_AGE_DAYS} days old to compressed blobs...`);
    db.syncstring_maintenance({
        limit: parseInt(MAX_SYNCSTRINGS_PER_RUN),
        map_limit: parseInt(SYNCSTRINGS_AT_ONCE),
        age_days: parseFloat(MIN_AGE_DAYS),
        delay: parseInt(DELAY_MS),
        repeat_until_done: false,
        cb,
    });
}
function go() {
    console.log("go");
    syncstring_maintenance(function (err) {
        if (err) {
            throw Error(`error in syncstring_maintenance -- ${err}`);
        }
        console.log(`now waiting ${WAIT_BETWEEN_RUNS_S} seconds before doing another syncstring_maintenance...`);
        setTimeout(go, parseInt(WAIT_BETWEEN_RUNS_S) * 1000);
    });
}
go();
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