/**
* Command to request current distributed upgrade status, a detailed status, or to force the
* upgrade to proceed.
*
* <p>Usage: java DFSAdmin -upgradeProgress [status | details | force]
*
* @exception IOException
*/
public int upgradeProgress(String[] argv, int idx) throws IOException {
if (!(fs instanceof DistributedFileSystem)) {
System.out.println("FileSystem is " + fs.getUri());
return -1;
}
if (idx != argv.length - 1) {
printUsage("-upgradeProgress");
return -1;
}
UpgradeAction action;
if ("status".equalsIgnoreCase(argv[idx])) {
action = UpgradeAction.GET_STATUS;
} else if ("details".equalsIgnoreCase(argv[idx])) {
action = UpgradeAction.DETAILED_STATUS;
} else if ("force".equalsIgnoreCase(argv[idx])) {
action = UpgradeAction.FORCE_PROCEED;
} else {
printUsage("-upgradeProgress");
return -1;
}
DistributedFileSystem dfs = (DistributedFileSystem) fs;
UpgradeStatusReport status = dfs.distributedUpgradeProgress(action);
String statusText =
(status == null
? "There are no upgrades in progress."
: status.getStatusText(action == UpgradeAction.DETAILED_STATUS));
System.out.println(statusText);
return 0;
}
public String getUpgradeStatusText() {
String statusText = "";
try {
UpgradeStatusReport status = fsn.distributedUpgradeProgress(UpgradeAction.GET_STATUS);
statusText =
(status == null ? "There are no upgrades in progress." : status.getStatusText(false));
} catch (IOException e) {
statusText = "Upgrade status unknown.";
}
return statusText;
}
/**
* Gives a report on how the FileSystem is doing.
*
* @exception IOException if the filesystem does not exist.
*/
public void report() throws IOException {
if (fs instanceof DistributedFileSystem) {
DistributedFileSystem dfs = (DistributedFileSystem) fs;
DiskStatus ds = dfs.getDiskStatus();
long capacity = ds.getCapacity();
long used = ds.getDfsUsed();
long remaining = ds.getRemaining();
long presentCapacity = used + remaining;
boolean mode = dfs.setSafeMode(FSConstants.SafeModeAction.SAFEMODE_GET);
UpgradeStatusReport status = dfs.distributedUpgradeProgress(UpgradeAction.GET_STATUS);
if (mode) {
System.out.println("Safe mode is ON");
}
if (status != null) {
System.out.println(status.getStatusText(false));
}
System.out.println(
"Configured Capacity: " + capacity + " (" + StringUtils.byteDesc(capacity) + ")");
System.out.println(
"Present Capacity: "
+ presentCapacity
+ " ("
+ StringUtils.byteDesc(presentCapacity)
+ ")");
System.out.println(
"DFS Remaining: " + remaining + " (" + StringUtils.byteDesc(remaining) + ")");
System.out.println("DFS Used: " + used + " (" + StringUtils.byteDesc(used) + ")");
System.out.println(
"DFS Used%: "
+ StringUtils.limitDecimalTo2(((1.0 * used) / presentCapacity) * 100)
+ "%");
/* These counts are not always upto date. They are updated after
* iteration of an internal list. Should be updated in a few seconds to
* minutes. Use "-metaSave" to list of all such blocks and accurate
* counts.
*/
System.out.println("Under replicated blocks: " + dfs.getUnderReplicatedBlocksCount());
System.out.println("Blocks with corrupt replicas: " + dfs.getCorruptBlocksCount());
System.out.println("Missing blocks: " + dfs.getMissingBlocksCount());
System.out.println();
System.out.println("-------------------------------------------------");
DatanodeInfo[] live = dfs.getClient().datanodeReport(DatanodeReportType.LIVE);
DatanodeInfo[] dead = dfs.getClient().datanodeReport(DatanodeReportType.DEAD);
System.out.println(
"Datanodes available: "
+ live.length
+ " ("
+ (live.length + dead.length)
+ " total, "
+ dead.length
+ " dead)\n");
for (DatanodeInfo dn : live) {
System.out.println(dn.getDatanodeReport());
System.out.println();
}
for (DatanodeInfo dn : dead) {
System.out.println(dn.getDatanodeReport());
System.out.println();
}
}
}
