Stop returning a growing collection from `request.security()` on every bar when a scalar result is enough. Pine copies requested collection data across datasets, so persistent arrays can consume memory quickly over long histories. Return only the value required by the chart, limit requested history, and update drawings or buffers only when needed. The fixed example requests `close` directly instead of copying an expanding array.
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Before and after
Both artifacts include the version declaration and the code needed to inspect the stated problem. The diff lists the lines that change between them.
//@version=6
indicator("Memory limit demo")
dataFunction() =>
var array<float> data = array.new<float>()
data.push(close)
data
array<float> requested = request.security(syminfo.tickerid, "1D", dataFunction())
plot(requested.last())//@version=6
indicator("Memory limit demo")
float requested = request.security(syminfo.tickerid, "1D", close)
plot(requested)--- broken.pine
+++ fixed.pine
@@
-dataFunction() =>
- var array<float> data = array.new<float>()
- data.push(close)
- data
-array<float> requested = request.security(syminfo.tickerid, "1D", dataFunction())
-plot(requested.last())
+float requested = request.security(syminfo.tickerid, "1D", close)
+plot(requested)Continue with a guide that shares the same scope, type, history, or resource mechanism.
Resource limit
Resource limit
Runtime error
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