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@@ -73,11 +73,24 @@ fix_dirty_frag() {
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done
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}
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-# --- Function: Memory Sanitization ---
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+# --- Function: Memory Sanitization with Timeout ---
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clear_caches() {
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- log_info "Dropping system caches to ensure memory purity..."
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- sync
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- echo 3 > /proc/sys/vm/drop_caches
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+ log_info "Attempting to drop system caches safely..."
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+
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+ # 1. First, try to sync dirty buffers to disk with a timeout.
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+ # If sync hangs, it indicates heavy I/O or storage issues.
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+ if ! timeout 15s sync; then
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+ log_warn "System sync timed out. There might be heavy I/O load. Skipping drop_caches."
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+ return 0
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+ fi
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+
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+ # 2. Write to drop_caches with a timeout.
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+ # We use a subshell to prevent the main script from hanging if the kernel is unresponsive.
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+ if ! timeout 5s sh -c "echo 3 > /proc/sys/vm/drop_caches" 2>/dev/null; then
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+ log_warn "drop_caches operation timed out. Kernel is likely busy reclaiming Slabs."
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+ else
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+ log_info "Caches dropped successfully."
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+ fi
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}
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# --- Main Execution ---
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