Replace HGETALL and SMEMBERS with Scan alternatives for large keys#232
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Replace HGETALL and SMEMBERS with Scan alternatives for large keys#232
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Signed-off-by: Argus Li <contactme@chunkeili.com>
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| const [collectionSize] = await Promise.all([ | ||
| client.customCommand([commands.sizeCmd, keyInfo.name]), | ||
| (async () => { |
Collaborator
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leave a comment explaining what this promise.all does, how come we have value-promise and a side-effect promise — it's 50+ loc to read to understand without a comment
| if (commands.sizeCmd) { | ||
| promises.push(client.customCommand([commands.sizeCmd, keyInfo.name])) | ||
| } | ||
| promises.push(client.customCommand(commands.elementsCmd)) |
Collaborator
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I guess, you could initialize with it?
const promises = [client.customCommand(commands.elementsCmd)]
if (commands.sizeCmd) {
promises.push(client.customCommand([commands.sizeCmd, keyInfo.name]))
}
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Description
In response to #196, this pr replaces the performance inhibiting HGETALL and SMEMBERS with HSCAN and SSCAN respectively. This reduces the burden on the Valkey server and the Valkey Admin client.