dlmarion commented on code in PR #2665:
URL: https://github.com/apache/accumulo/pull/2665#discussion_r939132929
##########
core/src/main/java/org/apache/accumulo/core/clientImpl/ClientContext.java:
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@@ -332,6 +392,51 @@ public synchronized BatchWriterConfig
getBatchWriterConfig() {
return batchWriterConfig;
}
+ public static class ScanServerInfo {
+ public final UUID uuid;
+ public final String group;
+
+ public ScanServerInfo(UUID uuid, String group) {
+ this.uuid = uuid;
+ this.group = group;
+ }
+
+ }
+
+ /**
+ * @return map of live scan server addresses to lock uuids.
+ */
+ public Map<String,ScanServerInfo> getScanServers() {
+ Map<String,ScanServerInfo> liveScanServers = new HashMap<>();
+ String root = this.getZooKeeperRoot() + Constants.ZSSERVERS;
+ var addrs = this.getZooCache().getChildren(root);
+ for (String addr : addrs) {
+ try {
+ final var zLockPath = ServiceLock.path(root + "/" + addr);
+ ZcStat stat = new ZcStat();
+ byte[] lockData = ServiceLock.getLockData(getZooCache(), zLockPath,
stat);
+ if (lockData != null) {
+ String[] fields = new String(lockData, UTF_8).split(",", 2);
+ UUID uuid = UUID.fromString(fields[0]);
+ String group = fields[1];
+ liveScanServers.put(addr, new ScanServerInfo(uuid, group));
+ }
+ } catch (Exception e) {
+ log.error("Error validating zookeeper scan server node: " + addr, e);
Review Comment:
Resolved in f437fed
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