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Merge pull request #6482 from sfc-gh-xwang/ppw-status 

Print the IP:Port address of wiggling server in status
This commit is contained in:
Xiaoxi Wang 2022-03-03 15:50:58 -08:00 committed by GitHub
parent e7a82b68f2 887d5a25cb
commit 6024bf0109
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 85 additions and 22 deletions
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22
fdbcli/StatusCommand.actor.cpp
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@ -810,6 +810,28 @@ void printStatus(StatusObjectReader statusObj,
outputString = outputStringCache;
outputString += "\n Unable to retrieve data status";
}
// Storage Wiggle section
StatusObjectReader storageWigglerObj;
std::string storageWigglerString;
try {
if (statusObjCluster.get("storage_wiggler", storageWigglerObj)) {
int size = 0;
if (storageWigglerObj.has("wiggle_server_addresses")) {
storageWigglerString += "\n Wiggle server addresses-";
for (auto& v : storageWigglerObj.obj().at("wiggle_server_addresses").get_array()) {
storageWigglerString += " " + v.get_str();
size += 1;
}
}
storageWigglerString += "\n Wiggle server count - " + std::to_string(size);
}
} catch (std::runtime_error&) {
storageWigglerString += "\n Unable to retrieve storage wiggler status";
}
if (storageWigglerString.size()) {
outputString += "\n\nStorage wiggle:";
outputString += storageWigglerString;
}
// Operating space section
outputString += "\n\nOperating space:";

26
fdbclient/NativeAPI.actor.cpp
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@ -6783,6 +6783,32 @@ ACTOR Future<Void> setPerpetualStorageWiggle(Database cx, bool enable, LockAware
return Void();
}
ACTOR Future<std::vector<std::pair<UID, StorageWiggleValue>>> readStorageWiggleValues(Database cx,
bool primary,
bool use_system_priority) {
state const Key readKey = perpetualStorageWiggleIDPrefix.withSuffix(primary ? "primary/"_sr : "remote/"_sr);
state KeyBackedObjectMap<UID, StorageWiggleValue, decltype(IncludeVersion())> metadataMap(readKey,
IncludeVersion());
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(cx));
state std::vector<std::pair<UID, StorageWiggleValue>> res;
// read the wiggling pairs
loop {
try {
tr->setOption(FDBTransactionOptions::READ_SYSTEM_KEYS);
tr->setOption(FDBTransactionOptions::READ_LOCK_AWARE);
if (use_system_priority) {
tr->setOption(FDBTransactionOptions::PRIORITY_SYSTEM_IMMEDIATE);
}
wait(store(res, metadataMap.getRange(tr, UID(0, 0), Optional<UID>(), CLIENT_KNOBS->TOO_MANY)));
wait(tr->commit());
break;
} catch (Error& e) {
wait(tr->onError(e));
}
}
return res;
}
ACTOR Future<Standalone<VectorRef<KeyRef>>> splitStorageMetrics(Database cx,
KeyRange keys,
StorageMetrics limit,

4
fdbclient/NativeAPI.actor.h
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@ -480,5 +480,9 @@ inline uint64_t getWriteOperationCost(uint64_t bytes) {
// will be 1. Otherwise, the value will be 0.
ACTOR Future<Void> setPerpetualStorageWiggle(Database cx, bool enable, LockAware lockAware = LockAware::False);
ACTOR Future<std::vector<std::pair<UID, StorageWiggleValue>>> readStorageWiggleValues(Database cx,
bool primary,
bool use_system_priority);
#include "flow/unactorcompiler.h"
#endif

2
fdbclient/Schemas.cpp
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@ -25,6 +25,8 @@ const KeyRef JSONSchemas::statusSchema = LiteralStringRef(R"statusSchema(
{
"cluster":{
"storage_wiggler": {
"wiggle_server_ids":["0ccb4e0feddb55"],
"wiggle_server_addresses": ["127.0.0.1"],
"primary": {
"last_round_start_datetime": "Wed Feb 4 09:36:37 2022 +0000",
"last_round_start_timestamp": 63811229797,

21
fdbserver/DDTeamCollection.actor.cpp
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@ -2828,25 +2828,8 @@ public:
// read the current map of `perpetualStorageWiggleIDPrefix`, then restore wigglingId.
ACTOR static Future<Void> readStorageWiggleMap(DDTeamCollection* self) {
state const Key readKey =
perpetualStorageWiggleIDPrefix.withSuffix(self->primary ? "primary/"_sr : "remote/"_sr);
state KeyBackedObjectMap<UID, StorageWiggleValue, decltype(IncludeVersion())> metadataMap(readKey,
IncludeVersion());
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(self->cx));
state std::vector<std::pair<UID, StorageWiggleValue>> res;
// read the wiggling pairs
loop {
try {
tr->setOption(FDBTransactionOptions::READ_SYSTEM_KEYS);
tr->setOption(FDBTransactionOptions::READ_LOCK_AWARE);
wait(store(res, metadataMap.getRange(tr, UID(0, 0), Optional<UID>(), CLIENT_KNOBS->TOO_MANY)));
wait(tr->commit());
break;
} catch (Error& e) {
wait(tr->onError(e));
}
}
state std::vector<std::pair<UID, StorageWiggleValue>> res =
wait(readStorageWiggleValues(self->cx, self->primary, false));
if (res.size() > 0) {
// SOMEDAY: support wiggle multiple SS at once
ASSERT(!self->wigglingId.present()); // only single process wiggle is allowed

29
fdbserver/Status.actor.cpp
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@ -2928,6 +2928,7 @@ ACTOR Future<StatusReply> clusterGetStatus(
state JsonBuilderObject qos;
state JsonBuilderObject dataOverlay;
state JsonBuilderObject storageWiggler;
state std::unordered_set<UID> wiggleServers;
statusObj["protocol_version"] = format("%" PRIx64, g_network->protocolVersion().version());
statusObj["connection_string"] = coordinators.ccr->getConnectionString().toString();
@ -3018,8 +3019,18 @@ ACTOR Future<StatusReply> clusterGetStatus(
clusterSummaryStatisticsFetcher(pMetrics, storageServerFuture, tLogFuture, &status_incomplete_reasons));
if (configuration.get().perpetualStorageWiggleSpeed > 0) {
wait(store(storageWiggler, storageWigglerStatsFetcher(configuration.get(), cx, true)));
statusObj["storage_wiggler"] = storageWiggler;
state Future<std::vector<std::pair<UID, StorageWiggleValue>>> primaryWiggleValues;
state Future<std::vector<std::pair<UID, StorageWiggleValue>>> remoteWiggleValues;
primaryWiggleValues = readStorageWiggleValues(cx, true, true);
remoteWiggleValues = readStorageWiggleValues(cx, false, true);
wait(store(storageWiggler, storageWigglerStatsFetcher(configuration.get(), cx, true)) &&
success(primaryWiggleValues) && success(remoteWiggleValues));
for (auto& p : primaryWiggleValues.get())
wiggleServers.insert(p.first);
for (auto& p : remoteWiggleValues.get())
wiggleServers.insert(p.first);
}
state std::vector<JsonBuilderObject> workerStatuses = wait(getAll(futures2));
@ -3178,13 +3189,27 @@ ACTOR Future<StatusReply> clusterGetStatus(
statusObj["datacenter_lag"] = getLagObject(datacenterVersionDifference);
int activeTSSCount = 0;
JsonBuilderArray wiggleServerAddress;
for (auto& it : storageServers) {
if (it.first.isTss()) {
activeTSSCount++;
}
if (wiggleServers.count(it.first.id())) {
wiggleServerAddress.push_back(it.first.address().toString());
}
}
statusObj["active_tss_count"] = activeTSSCount;
if (!storageWiggler.empty()) {
JsonBuilderArray wiggleServerUID;
for (auto& id : wiggleServers)
wiggleServerUID.push_back(id.shortString());
storageWiggler["wiggle_server_ids"] = wiggleServerUID;
storageWiggler["wiggle_server_addresses"] = wiggleServerAddress;
statusObj["storage_wiggler"] = storageWiggler;
}
int totalDegraded = 0;
for (auto& it : workers) {
if (it.degraded) {

1
fdbserver/workloads/StatusWorkload.actor.cpp
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@ -88,6 +88,7 @@ struct StatusWorkload : TestWorkload {
schemaCoverage(spath, false);
if (skv.second.type() == json_spirit::array_type && skv.second.get_array().size()) {
if (skv.second.get_array()[0].type() != json_spirit::str_type)
schemaCoverageRequirements(skv.second.get_array()[0].get_obj(), spath + "[0]");
} else if (skv.second.type() == json_spirit::obj_type) {
if (skv.second.get_obj().count("$enum")) {