{
  "cell": "java-jni/vma/shard",
  "host": "scan",
  "schedule_version": 4,
  "classification": "nonpublishing ring20 control failed before Logon / warmup; not a fix",
  "source_commit": "533d0276cfb1a26fe184c5270f4f30df20addd74",
  "built_source_commit": "f71c740fa6893ad09c8b0c6307e9b11f38c4c62d",
  "evidence": "/tmp/libhft-jni-vma-ring20-20260910-Tehkcc",
  "finished_utc": "2026-09-10T00:22:14Z",
  "manifest_sha256": "ddb93742d40b3536b0139ca36197479131cd338e9aee6e8e49c4d343c04387e8",
  "finish_sha256": "81697615ac8195f38f8b9c575548e30ccc3f0da7576bf19a05919395a9f140c0",
  "review_sha256": "30a7c036a1a5fbb3bf7094213fb7a7aad746bb60384749a4f696246d2038d4d1",
  "installed_launcher_sha256": "098b4d5b73e4fc91a901558bbfa99ffce63d7acbbf124020a6662a606745411b",
  "changed_setting": "server VMA_RING_ALLOCATION_LOGIC_RX=20; VMA startup confirmed per-thread",
  "observer": "fixed read-only per-PID stats on housekeeping; TERM=dumb prevents terminal-warning corruption",
  "port": 49184,
  "cell_target_per_sec": 50000,
  "target_per_session": "50000/32",
  "diagnostic_stall_timeout_ms": 60000,
  "warmup_phases_completed": 0,
  "measured_phases_completed": 0,
  "clients": [
    {
      "index": 1,
      "failure": "shard 0 FAILED: java.lang.IllegalStateException: C1S1 receive returned 2 before Logon",
      "sha256": "53cb54132a0831246c8d5b06d88b4b24e75e04c8cfe25fc44ae4ade62330a3cb"
    },
    {
      "index": 2,
      "failure": "shard 0 FAILED: java.lang.IllegalStateException: JNI_NATIVE initiator C2S1 failed to start",
      "sha256": "c9e484aaa92de876690addd32685112bea4ec2a3fef3ac2cdf1fd7c6b8afe1b8"
    },
    {
      "index": 3,
      "failure": "shard 0 FAILED: java.lang.IllegalStateException: JNI_NATIVE initiator C3S1 failed to start",
      "sha256": "61f69cdb679b008620e0fc3d7745e5082dce8ea96ce60716700b8127217b0796"
    },
    {
      "index": 4,
      "failure": "shard 0 FAILED: java.lang.IllegalStateException: JNI_NATIVE initiator C4S1 failed to start",
      "sha256": "82a9c216a4cc828927052efb30399843f4a703c85a4c478067f239146032f6f9"
    }
  ],
  "live_pinning_samples": {
    "INCONCLUSIVE": 1,
    "PASS": 5
  },
  "statistics": {
    "server": {
      "pid": 514163,
      "start_ticks": "107808560",
      "sha256": "bcf7b7b05f340fc2dd69ac217966024de2b922234c2e8cb1d7eb53e1dc044588",
      "terminal_warnings": 0,
      "lines": 3973,
      "socket_tx_records": 8,
      "last_ring_counters_kilobytes_packets": {
        "0": {
          "tx": [
            0,
            0
          ],
          "rx": [
            3,
            39
          ]
        },
        "1": {
          "tx": [
            0,
            0
          ],
          "rx": [
            3,
            39
          ]
        },
        "2": {
          "tx": [
            0,
            0
          ],
          "rx": [
            3,
            39
          ]
        },
        "3": {
          "tx": [
            0,
            0
          ],
          "rx": [
            3,
            41
          ]
        },
        "4": {
          "tx": [
            8,
            137
          ],
          "rx": [
            0,
            0
          ]
        }
      }
    },
    "CLIENT1": {
      "pid": 516448,
      "start_ticks": "107812362",
      "sha256": "d65e0c04eab0ee7d9e70c00c89cbf8e0acf088997542ffcb2c396e3e600cc120",
      "terminal_warnings": 0,
      "lines": 9,
      "socket_tx_records": 0
    },
    "CLIENT2": {
      "pid": 516595,
      "start_ticks": "107812402",
      "sha256": "405f566d74a07110a63cd0e0789df8f77be76c4c71b5dde7e5565a582aa95547",
      "terminal_warnings": 0,
      "lines": 13,
      "socket_tx_records": 0
    },
    "CLIENT3": {
      "pid": 516745,
      "start_ticks": "107812442",
      "sha256": "abccf77bf91fc5a73f0da8a170540f1f1856eef0411b54e3f415b750b02da452",
      "terminal_warnings": 0,
      "lines": 13,
      "socket_tx_records": 0
    },
    "CLIENT4": {
      "pid": 516943,
      "start_ticks": "107812483",
      "sha256": "91b18a35ac2748da9ce9919dcabd045a4f506292d444131ef8865cde021a4bdd",
      "terminal_warnings": 0,
      "lines": 23,
      "socket_tx_records": 0
    }
  },
  "publication_rejection": "noncanonical diagnostic open-stall timeout '60000' in /tmp/libhft-jni-vma-ring20-20260910-Tehkcc/cell/recipe.txt; only the default 2000 ms may be published",
  "source_and_installed_boundary_checks": "unchanged",
  "remaining_known_fix": [],
  "limitations": [
    "Startup failure prevents comparison of steady-state ring20 performance.",
    "Per-thread RX rings are confirmed, but the logs do not identify why Logon failed.",
    "Client stats mostly missed the short-lived sockets; absence of counters is not zero traffic.",
    "Four ring RX counters and an additional TX-only ring do not by themselves prove duplicate packet delivery.",
    "Canonical shared-ring default and 2000 ms no-progress guard are unchanged. No latency imported."
  ]
}