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  1. Couchbase Server
  2. MB-60194

Rebalance in a node results in FTS crashing.

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Details

    • Bug
    • Resolution: Duplicate
    • Critical
    • 7.6.0
    • 7.6.0
    • fts
    • 7.6.0-1941

    Description

      Steps:
      1. Create a magma bucket and load 10k items in kv having embeddings
      2. While data loading is in progress in KV, Create FTS index.
      3. Start fts query load in parallel.
      4. Rebalance in a node. Rebalance failed.

      Service 'fts' exited with status 1. Restarting. Messages:
      2023-12-20T00:08:10.017-08:00 [INFO] feed_dcp_gocbcore: Start, name: default0VolumeCollection0_fts_idx_0_607bd676afc60087_5402b5b2, num streams: 128, manifestUID: 3, streamOptions: {FilterOptions: &{ScopeID:0 CollectionIDs:[10]}, StreamOptions: &{StreamID:8}}, vbuckets: [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]
      2023-12-20T00:08:13.666-08:00 [INFO] ctl: debounceCfgEvents duration: 4000 MS
      2023-12-20T00:08:13.666-08:00 [INFO] ctl: kickIndexDefs, kind: cfgEvent
      2023-12-20T00:08:13.670-08:00 [INFO] planner: nodesRemove: []string(nil)
      2023-12-20T00:08:13.670-08:00 [INFO] planner: step planner
      2023-12-20T00:08:33.038-08:00 [FATA] scorch AsyncError, path: /data/@fts/default0VolumeCollection0_fts_idx_0_607bd676afc60087_75a2a1be.pindex/store, treating this as fatal, err: merger panic when processing /data/@fts/default0VolumeCollection0_fts_idx_0_607bd676afc60087_75a2a1be.pindex/store, stack dump: /data/@fts/dumps/1703059713.fts.stack.dump.txt -- main.initBleveOptions.func2() at init_bleve.go:113
      

      Crash dumps are observed on node: 172.23.107.237

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            abhinav Abhi Dangeti
            ritesh.agarwal Ritesh Agarwal
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            Dates

              Created:
              Updated:
              Resolved:

              PagerDuty