RangeError: Array buffer allocation failed

[KyleMaas]

After leaving an instance running for several days, I got the following error:

bundle-ui.js:73176 Uncaught (in promise) RangeError: Array buffer allocation failed
    at new ArrayBuffer (<anonymous>)
    at new Uint32Array (<anonymous>)
    at growTarrIndex (bundle-ui.js:73176)
    at updateSeqIndex (bundle-ui.js:73184)
    at write (bundle-ui.js:73346)
    at Object.o.write (bundle-ui.js:115586)
    at Stream._writeToSink (bundle-ui.js:8280)
    at Stream._handleBlock (bundle-ui.js:8313)
    at bundle-ui.js:8355
    at Object.getBlock (bundle-ui.js:7449)

[arj03]

Looks like it ran out of space?

[KyleMaas]

Looks like it's a RAM issue, not a storage issue. This machine's nowhere near 100% RAM consumption. Wondering if we're hitting a per-origin limit or if it's trying to read a blob that it already downloaded but which exceeds the maximum size of a single ArrayBuffer?

[KyleMaas]

Doing some debugging, on Firefox I get the following results:

var x = new ArrayBuffer(1.9 * 1024 * 1024 * 1024)
undefined
var x = new ArrayBuffer(2 * 1024 * 1024 * 1024)
Uncaught RangeError: invalid array length
    <anonymous> debugger eval code:1
var x = new ArrayBuffer(2 * 1000 * 1000 * 1000)
undefined

So there's a rough 2GB limit (<2GiB). If I do the same on Chromium:

var x = new ArrayBuffer(2 * 1000 * 1000 * 1000)
undefined
var x = new ArrayBuffer(2 * 1024 * 1024 * 1024)
VM279:1 Uncaught RangeError: Array buffer allocation failed
    at new ArrayBuffer (<anonymous>)
    at <anonymous>:1:9

[KyleMaas]

Reported upstream here:

ssbc/jitdb#93