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experiment: check for space leak on upgrade? #4723

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experiment: check for space leak on upgrade? #4723

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41 changes: 41 additions & 0 deletions test/run-drun/memory-upgrade.mo
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Original file line number Diff line number Diff line change
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//MOC-FLAG --incremental-gc
import Prim "mo:prim";

actor {

stable var version = 0;

version += 1;
func getStats() : Text {
debug_show ({
version = version;
rts_memory_size = Prim.rts_memory_size();
rts_heap_size = Prim.rts_heap_size();
rts_stable_memory_size = Prim.rts_stable_memory_size();
})
};
let blobSize = 512 * 1024 * 1024;
let stablePageSize = 64 * 1024;
if (Prim.stableMemorySize() == 0) {
ignore Prim.stableMemoryGrow(Prim.natToNat64(blobSize / stablePageSize));
};

stable var blob = Prim.stableMemoryLoadBlob(0, blobSize);
Prim.debugPrint (getStats ());

system func preupgrade() {
};

system func postupgrade() {
};

};
//SKIP run
//SKIP run-ir
//SKIP run-low

//CALL upgrade
//CALL upgrade
//CALL upgrade
//CALL upgrade

11 changes: 11 additions & 0 deletions test/run-drun/ok/memory-upgrade.drun-run.ok
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ingress Completed: Reply: 0x4449444c016c01b3c4b1f204680100010a00000000000000000101
debug.print: {rts_heap_size = 539_029_372; rts_memory_size = 603_979_776; rts_stable_memory_size = 8_192; version = 1}
ingress Completed: Reply: 0x4449444c0000
debug.print: {rts_heap_size = 1_075_900_400; rts_memory_size = 1_174_405_120; rts_stable_memory_size = 16_385; version = 2}
ingress Completed: Reply: 0x4449444c0000
debug.print: {rts_heap_size = 1_075_900_400; rts_memory_size = 1_174_405_120; rts_stable_memory_size = 16_385; version = 3}
ingress Completed: Reply: 0x4449444c0000
debug.print: {rts_heap_size = 1_075_900_400; rts_memory_size = 1_174_405_120; rts_stable_memory_size = 16_385; version = 4}
ingress Completed: Reply: 0x4449444c0000
debug.print: {rts_heap_size = 1_075_900_400; rts_memory_size = 1_174_405_120; rts_stable_memory_size = 16_385; version = 5}
ingress Completed: Reply: 0x4449444c0000
3 changes: 3 additions & 0 deletions test/run-drun/ok/memory-upgrade.tc.ok
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memory-upgrade.mo:19.9-19.30: warning [M0199], this code is (or uses) the deprecated library `ExperimentalStableMemory`.
Please use the `Region` library instead: https://internetcomputer.org/docs/current/motoko/main/stable-memory/stable-regions/#the-region-library or compile with flag `--experimental-stable-memory 1` to suppress this message.
memory-upgrade.mo:23.16-23.20: warning [M0194], unused identifier blob (delete or rename to wildcard `_` or `_blob`)
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