Ethanlm commented on a change in pull request #3237: STORM-3259: Adds NUMA
awareness to enable worker pinning
URL: https://github.com/apache/storm/pull/3237#discussion_r400949079
##########
File path: storm-client/src/jvm/org/apache/storm/utils/Utils.java
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@@ -124,11 +124,47 @@
private static String memoizedLocalHostnameString = null;
public static final Pattern TOPOLOGY_KEY_PATTERN = Pattern.compile("^[\\w
\\t\\._-]+$", Pattern.UNICODE_CHARACTER_CLASS);
+ public static final String NUMA_MEMORY_IN_MB = "numa.memory.mb";
+ public static final String NUMA_CORES = "numa.cores";
+ public static final String NUMA_PORTS = "numa.ports";
+ public static final String NUMA_GENERIC_RESOURCES_MAP =
"numa.generic.resources.map";
+
static {
localConf = readStormConfig();
serializationDelegate = getSerializationDelegate(localConf);
}
+ /**
+ * Return supervisor numa configuration.
+ * @param stormConf stormConf
+ * @return getNumaMap
+ */
+ public static Map<String, Object> getNumaMap(Map<String, Object>
stormConf) {
+ Object numa = stormConf.get(Config.SUPERVISOR_NUMA_META);
+ if (numa == null) {
+ return Collections.emptyMap();
+ }
+ return (Map<String, Object>) numa;
+ }
+
+ /**
+ * getNumaIdForPort.
+ * @param port port
+ * @param stormConf stormConf
+ * @return getNumaIdForPort
+ */
+ public static String getNumaIdForPort(Number port, Map<String, Object>
stormConf) {
+ Map<String, Object> validatedNumaMap = getNumaMap(stormConf);
+ for (Entry<String, Object> numaEntry : validatedNumaMap.entrySet()) {
+ Map numaMap = (Map<String, Object>) numaEntry.getValue();
Review comment:
`Map` should be `Map<String, Object>`
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