docs.feldera.com/python/_modules/feldera/stats.html at main · feldera/docs.feldera.com

History

588 lines (496 loc) · 72.6 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

<!DOCTYPE html>

<head>

<title>feldera.stats — Feldera Python SDK 0.275.0 documentation</title>

<!--[if lt IE 9]>

<![endif]-->

</head>

Feldera Python SDK

</a>

</form>

</div>

</div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">

Contents:

<ul>

<li class="toctree-l1"><a class="reference internal" href="../../introduction.html">Introduction</a></li>

<li class="toctree-l1"><a class="reference internal" href="../../pandas.html">Pandas Compatibility</a></li>

<li class="toctree-l1"><a class="reference internal" href="../../examples.html">Examples</a></li>

</ul>

API Reference:

<ul>

<li class="toctree-l1"><a class="reference internal" href="../../modules.html">feldera</a></li>

</ul>

</div>

</nav>

<a href="../../index.html">Feldera Python SDK</a>

</nav>

<li class="breadcrumb-item"><a href="../index.html">Module code</a></li>

<li class="breadcrumb-item active">feldera.stats</li>

</li>

</ul>

<hr/>

</div>

<h1>Source code for feldera.stats</h1><div class="highlight"><pre>

from typing import Mapping, Any, Optional, List

from feldera._helpers import (

expect_bool,

expect_int,

expect_mapping,

expect_str,

parse_datetime,

)

from feldera.enums import PipelineStatus, TransactionStatus

from datetime import datetime

import uuid

class PipelineStatistics:

"""

Represents statistics reported by a pipeline's "/stats" endpoint.

"""

def __init__(self):

"""

Initializes as an empty set of statistics.

"""

self.global_metrics: GlobalPipelineMetrics = GlobalPipelineMetrics()

self.suspend_error: Optional[Any] = None

self.inputs: Mapping[List[InputEndpointStatus]] = {}

self.outputs: Mapping[List[OutputEndpointStatus]] = {}</div>

@classmethod

def from_dict(cls, d: Mapping[str, Any]):

pipeline = cls()

pipeline.global_metrics = GlobalPipelineMetrics.from_dict(d["global_metrics"])

pipeline.inputs = [

InputEndpointStatus.from_dict(input) for input in d["inputs"]

]

pipeline.outputs = [

OutputEndpointStatus.from_dict(output) for output in d["outputs"]

]

return pipeline</div>

</div>

class GlobalPipelineMetrics:

"""Represents the "global_metrics" object within the pipeline's

"/stats" endpoint reply.

"""

def __init__(self):

"""

Initializes as an empty set of metrics.

"""

self.state: Optional[PipelineStatus] = None

self.bootstrap_in_progress: Optional[bool] = None

self.transaction_status: Optional[TransactionStatus] = None

self.transaction_id: Optional[int] = None

self.transaction_msecs: Optional[int] = None

self.transaction_records: Optional[int] = None

self.commit_progress: Optional[CommitProgressSummary] = None

self.transaction_initiators: Optional[TransactionInitiators] = None

self.rss_bytes: Optional[int] = None

self.cpu_msecs: Optional[int] = None

self.uptime_msecs: Optional[float] = None

self.start_time: Optional[datetime] = None

self.incarnation_uuid: Optional[uuid.UUID] = None

self.initial_start_time: Optional[datetime] = None

self.storage_bytes: Optional[int] = None

self.storage_mb_secs: Optional[int] = None

self.runtime_elapsed_msecs: Optional[int] = None

self.buffered_input_records: Optional[int] = None

self.total_input_records: Optional[int] = None

self.buffered_input_bytes: Optional[int] = None

self.total_input_bytes: Optional[int] = None

self.total_processed_records: Optional[int] = None

self.total_processed_bytes: Optional[int] = None

self.total_completed_records: Optional[int] = None

self.output_stall_msecs: Optional[int] = None

self.total_initiated_steps: Optional[int] = None

self.total_completed_steps: Optional[int] = None

self.pipeline_complete: Optional[bool] = None</div>

@classmethod

metrics = cls()

metrics.__dict__.update(d)

metrics.state = PipelineStatus.from_str(d["state"])

metrics.incarnation_uuid = uuid.UUID(d["incarnation_uuid"])

metrics.start_time = datetime.fromtimestamp(d["start_time"])

metrics.initial_start_time = datetime.fromtimestamp(d["start_time"])

metrics.transaction_status = TransactionStatus.from_str(d["transaction_status"])

return metrics</div>

</div>

class ConnectorError:

"""Represents a connector error item reported by connector status endpoints."""

def __init__(self):

self.timestamp: datetime = datetime.fromtimestamp(0)

self.index: int = 0

self.tag: Optional[str] = None

self.message: str = ""</div>

@classmethod

error = cls()

error.timestamp = parse_datetime(expect_str(d, "timestamp"), "timestamp")

error.index = expect_int(d, "index")

tag = d.get("tag")

if tag is not None and not isinstance(tag, str):

raise ValueError("invalid optional field 'tag': expected string or null")

error.tag = tag

error.message = expect_str(d, "message")

return error</div>

</div>

class ConnectorHealth:

"""Health status reported for a connector."""

HEALTHY = "Healthy"

UNHEALTHY = "Unhealthy"

def __init__(self):

self.status: str = ConnectorHealth.HEALTHY

self.description: Optional[str] = None</div>

@classmethod

health = cls()

status = d.get("status", ConnectorHealth.HEALTHY)

if not isinstance(status, str):

raise ValueError("invalid field 'health.status': expected string")

if status not in (ConnectorHealth.HEALTHY, ConnectorHealth.UNHEALTHY):

raise ValueError(

"invalid field 'health.status': expected 'Healthy' or 'Unhealthy'"

)

health.status = status

description = d.get("description")

if description is not None and not isinstance(description, str):

raise ValueError(

"invalid optional field 'health.description': expected string or null"

)

health.description = description

return health</div>

</div>

class CompletedWatermark:

"""Latest completed watermark reported by input connector status."""

def __init__(self):

self.metadata: Any = None

self.ingested_at: datetime = datetime.fromtimestamp(0)

self.processed_at: datetime = datetime.fromtimestamp(0)

self.completed_at: datetime = datetime.fromtimestamp(0)</div>

@classmethod

watermark = cls()

if "metadata" not in d:

raise ValueError("missing required field 'metadata'")

watermark.metadata = d.get("metadata")

watermark.ingested_at = parse_datetime(

expect_str(d, "ingested_at"), "ingested_at"

)

watermark.processed_at = parse_datetime(

expect_str(d, "processed_at"), "processed_at"

)

watermark.completed_at = parse_datetime(

expect_str(d, "completed_at"), "completed_at"

)

return watermark</div>

</div>

class InputEndpointStatus:

"""Represents one member of the "inputs" array within the

pipeline's "/stats" endpoint reply.

"""

def __init__(self):

"""Initializes an empty status."""

self.endpoint_name: Optional[str] = None

self.config: Optional[Mapping] = None

self.metrics: Optional[InputEndpointMetrics] = None

self.fatal_error: Optional[str] = None

self.parse_errors: Optional[list[ConnectorError]] = None

self.transport_errors: Optional[list[ConnectorError]] = None

self.health: Optional[ConnectorHealth] = None

self.paused: Optional[bool] = None

self.barrier: Optional[bool] = None

self.completed_frontier: Optional[CompletedWatermark] = None</div>

@classmethod

status = cls()

status.endpoint_name = expect_str(d, "endpoint_name")

status.config = expect_mapping(d, "config")

status.metrics = InputEndpointMetrics.from_dict(expect_mapping(d, "metrics"))

fatal_error = d.get("fatal_error")

if fatal_error is not None and not isinstance(fatal_error, str):

raise ValueError(

"invalid optional field 'fatal_error': expected string or null"

)

status.fatal_error = fatal_error

status.paused = expect_bool(d, "paused")

status.barrier = expect_bool(d, "barrier")

parse_errors = d.get("parse_errors")

status.parse_errors = (

[ConnectorError.from_dict(error) for error in parse_errors]

if isinstance(parse_errors, list)

else None

)

transport_errors = d.get("transport_errors")

status.transport_errors = (

if isinstance(transport_errors, list)

else None

)

health = d.get("health")

status.health = (

ConnectorHealth.from_dict(health) if isinstance(health, Mapping) else None

)

completed_frontier = d.get("completed_frontier")

status.completed_frontier = (

CompletedWatermark.from_dict(completed_frontier)

if isinstance(completed_frontier, dict)

else None

)

return status</div>

</div>

class InputEndpointMetrics:

"""Represents the "metrics" member within an input endpoint status

in the pipeline's "/stats" endpoint reply.

"""

def __init__(self):

self.total_bytes: Optional[int] = None

self.total_records: Optional[int] = None

self.buffered_records: Optional[int] = None

self.buffered_bytes: Optional[int] = None

self.num_transport_errors: Optional[int] = None

self.num_parse_errors: Optional[int] = None

self.end_of_input: Optional[bool] = None</div>

@classmethod

metrics = cls()

return metrics</div>

</div>

class OutputEndpointStatus:

"""Represents one member of the "outputs" array within the

pipeline's "/stats" endpoint reply.

"""

def __init__(self):

"""Initializes an empty status."""

self.metrics: Optional[OutputEndpointMetrics] = None

self.encode_errors: Optional[list[ConnectorError]] = None

@classmethod

status = cls()

status.metrics = OutputEndpointMetrics.from_dict(expect_mapping(d, "metrics"))

raise ValueError(

"invalid optional field 'fatal_error': expected string or null"

)

status.fatal_error = fatal_error

encode_errors = d.get("encode_errors")

status.encode_errors = (

if isinstance(encode_errors, list)

else None

)

status.transport_errors = (

else None

)

status.health = (

)

return status</div>

</div>

class OutputEndpointMetrics:

"""Represents the "metrics" member within an output endpoint status

in the pipeline's "/stats" endpoint reply.

"""

def __init__(self):

self.transmitted_records: Optional[int] = None

self.transmitted_bytes: Optional[int] = None

self.queued_records: Optional[int] = None

self.queued_batches: Optional[int] = None

self.buffered_batches: Optional[int] = None

self.num_encode_errors: Optional[int] = None

self.total_processed_input_records: Optional[int] = None

self.total_processed_steps: Optional[int] = None

self.memory: Optional[int] = None</div>

@classmethod

metrics = cls()

return metrics</div>

</div>

class CommitProgressSummary:

"""Progress of a transaction commit."""

def __init__(self):

"""Initializes an empty status."""

self.completed: Optional[int] = None

self.in_progress: Optional[int] = None

self.remaining: Optional[int] = None

self.in_progress_processed_records: Optional[int] = None

self.in_progress_total_records: Optional[int] = None</div>

@classmethod

status = cls()

status.__dict__.update(d)

return status</div>

</div>

class TransactionInitiators:

"""Initiators for an ongoing transaction."""

def __init__(self):

"""Initializes an empty status."""

self.initiated_by_api: Optional[str] = None

self.initiated_by_connectors: Optional[

Mapping[str, ConnectorTransactionPhase]

] = None</div>

@classmethod

status = cls()

status.initiated_by_connectors = ConnectorTransactionPhase.from_dict(

d["initiated_by_connectors"]

)

return status</div>

</div>

class ConnectorTransactionPhase:

"""Connector transaction phase with optional label"""

def __init__(self):

"""Initializes an empty status."""

self.phase: Optional[str] = None

self.label: Optional[str] = None</div>

@classmethod

status = cls()

return status</div>

</div>

</pre></div>

</div>

<hr/>

</div>

Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a

<a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>

provided by <a href="https://readthedocs.org">Read the Docs</a>.

</footer>

</div>

</section>

</div>

jQuery(function () {

SphinxRtdTheme.Navigation.enable(true);

});

</script>

</body>

</html>

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

FilesExpand file tree

stats.html

Latest commit

History

stats.html

File metadata and controls