Realtime log workbench

Shape-aware parser. Dynamic visuals.

Paste any JSONL, key-value, or unstructured text. The parser infers schemas, detects types, and renders the right chart for each field — scatter, heatmap, donut, line, or histogram.

Rows0

Fields0

Numeric0

Correlations0

Input stream

Paste newline-delimited JSON with nested objects, key-values, or plain text.

{"timestamp":"2026-05-31T18:00:01.000Z","level":"INFO","service":"auth-api","latency_ms":20.0,"http_status":200,"active_users":1400,"cpu_util":40.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:02.000Z","level":"INFO","service":"payment-v2","latency_ms":110.3,"http_status":200,"active_users":451,"cpu_util":30.1,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:03.000Z","level":"INFO","service":"mesh-router","latency_ms":4.1,"http_status":200,"active_users":8820,"cpu_util":15.1,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:04.000Z","level":"INFO","service":"auth-api","latency_ms":21.5,"http_status":200,"active_users":1406,"cpu_util":40.6,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:05.000Z","level":"INFO","service":"payment-v2","latency_ms":111.2,"http_status":200,"active_users":450,"cpu_util":30.4,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:06.000Z","level":"INFO","service":"mesh-router","latency_ms":4.25,"http_status":200,"active_users":8850,"cpu_util":15.25,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:07.000Z","level":"INFO","service":"auth-api","latency_ms":23.0,"http_status":200,"active_users":1412,"cpu_util":41.2,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:08.000Z","level":"INFO","service":"payment-v2","latency_ms":112.1,"http_status":200,"active_users":452,"cpu_util":30.7,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:09.000Z","level":"INFO","service":"mesh-router","latency_ms":4.4,"http_status":200,"active_users":8880,"cpu_util":15.4,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:10.000Z","level":"INFO","service":"auth-api","latency_ms":24.5,"http_status":200,"active_users":1418,"cpu_util":41.8,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:11.000Z","level":"INFO","service":"payment-v2","latency_ms":113.0,"http_status":200,"active_users":451,"cpu_util":31.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:12.000Z","level":"INFO","service":"mesh-router","latency_ms":4.55,"http_status":200,"active_users":8910,"cpu_util":15.55,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:13.000Z","level":"INFO","service":"auth-api","latency_ms":26.0,"http_status":200,"active_users":1424,"cpu_util":42.4,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:14.000Z","level":"INFO","service":"payment-v2","latency_ms":113.9,"http_status":200,"active_users":453,"cpu_util":31.3,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:15.000Z","level":"INFO","service":"mesh-router","latency_ms":4.7,"http_status":200,"active_users":8940,"cpu_util":15.7,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:16.000Z","level":"INFO","service":"auth-api","latency_ms":27.5,"http_status":200,"active_users":1430,"cpu_util":43.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:17.000Z","level":"INFO","service":"payment-v2","latency_ms":114.8,"http_status":200,"active_users":452,"cpu_util":31.6,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:18.000Z","level":"INFO","service":"mesh-router","latency_ms":4.85,"http_status":200,"active_users":8970,"cpu_util":15.85,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:00:19.000Z","level":"INFO","service":"auth-api","latency_ms":29.0,"http_status":200,"active_users":1436,"cpu_util":43.6,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:20.000Z","level":"INFO","service":"payment-v2","latency_ms":115.7,"http_status":200,"active_users":454,"cpu_util":31.9,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:21.000Z","level":"INFO","service":"auth-api","latency_ms":30.0,"http_status":200,"active_users":1500,"cpu_util":45.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:22.000Z","level":"INFO","service":"auth-api","latency_ms":125.0,"http_status":200,"active_users":1650,"cpu_util":49.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:23.000Z","level":"INFO","service":"auth-api","latency_ms":220.0,"http_status":200,"active_users":1800,"cpu_util":54.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:24.000Z","level":"INFO","service":"auth-api","latency_ms":315.0,"http_status":200,"active_users":1950,"cpu_util":58.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:25.000Z","level":"INFO","service":"auth-api","latency_ms":410.0,"http_status":200,"active_users":2100,"cpu_util":63.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:26.000Z","level":"INFO","service":"auth-api","latency_ms":505.0,"http_status":200,"active_users":2250,"cpu_util":67.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:27.000Z","level":"INFO","service":"auth-api","latency_ms":600.0,"http_status":200,"active_users":2400,"cpu_util":72.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:28.000Z","level":"INFO","service":"auth-api","latency_ms":695.0,"http_status":200,"active_users":2550,"cpu_util":76.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:29.000Z","level":"WARN","service":"auth-api","latency_ms":790.0,"http_status":200,"active_users":2700,"cpu_util":81.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:30.000Z","level":"WARN","service":"auth-api","latency_ms":885.0,"http_status":200,"active_users":2850,"cpu_util":85.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:31.000Z","level":"WARN","service":"auth-api","latency_ms":980.0,"http_status":200,"active_users":3000,"cpu_util":90.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:32.000Z","level":"WARN","service":"auth-api","latency_ms":1075.0,"http_status":200,"active_users":3150,"cpu_util":94.5,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:33.000Z","level":"WARN","service":"auth-api","latency_ms":1170.0,"http_status":200,"active_users":3300,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:34.000Z","level":"WARN","service":"auth-api","latency_ms":1265.0,"http_status":200,"active_users":3450,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:35.000Z","level":"ERROR","service":"auth-api","latency_ms":1360.0,"http_status":500,"active_users":3600,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:36.000Z","level":"ERROR","service":"auth-api","latency_ms":1455.0,"http_status":500,"active_users":3750,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:37.000Z","level":"ERROR","service":"auth-api","latency_ms":1550.0,"http_status":500,"active_users":3900,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:38.000Z","level":"ERROR","service":"auth-api","latency_ms":1645.0,"http_status":500,"active_users":4050,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:39.000Z","level":"ERROR","service":"auth-api","latency_ms":1740.0,"http_status":500,"active_users":4200,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:40.000Z","level":"FATAL","service":"auth-api","latency_ms":1835.0,"http_status":500,"active_users":4350,"cpu_util":99.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:00:41.000Z","level":"INFO","service":"payment-v2","latency_ms":120.0,"http_status":200,"active_users":460,"cpu_util":32.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:00:42.000Z","level":"INFO","service":"payment-v2","latency_ms":122.0,"http_status":200,"active_users":461,"cpu_util":32.5,"mem_rss_mb":1069.0}
{"timestamp":"2026-05-31T18:00:43.000Z","level":"INFO","service":"payment-v2","latency_ms":124.0,"http_status":200,"active_users":462,"cpu_util":33.0,"mem_rss_mb":1114.0}
{"timestamp":"2026-05-31T18:00:44.000Z","level":"INFO","service":"payment-v2","latency_ms":126.0,"http_status":200,"active_users":460,"cpu_util":33.5,"mem_rss_mb":1159.0}
{"timestamp":"2026-05-31T18:00:45.000Z","level":"INFO","service":"payment-v2","latency_ms":128.0,"http_status":200,"active_users":461,"cpu_util":34.0,"mem_rss_mb":1204.0}
{"timestamp":"2026-05-31T18:00:46.000Z","level":"INFO","service":"payment-v2","latency_ms":130.0,"http_status":200,"active_users":462,"cpu_util":34.5,"mem_rss_mb":1249.0}
{"timestamp":"2026-05-31T18:00:47.000Z","level":"INFO","service":"payment-v2","latency_ms":132.0,"http_status":200,"active_users":460,"cpu_util":35.0,"mem_rss_mb":1294.0}
{"timestamp":"2026-05-31T18:00:48.000Z","level":"INFO","service":"payment-v2","latency_ms":134.0,"http_status":200,"active_users":461,"cpu_util":35.5,"mem_rss_mb":1339.0}
{"timestamp":"2026-05-31T18:00:49.000Z","level":"INFO","service":"payment-v2","latency_ms":136.0,"http_status":200,"active_users":462,"cpu_util":36.0,"mem_rss_mb":1384.0}
{"timestamp":"2026-05-31T18:00:50.000Z","level":"INFO","service":"payment-v2","latency_ms":138.0,"http_status":200,"active_users":460,"cpu_util":36.5,"mem_rss_mb":1429.0}
{"timestamp":"2026-05-31T18:00:51.000Z","level":"INFO","service":"payment-v2","latency_ms":140.0,"http_status":200,"active_users":461,"cpu_util":37.0,"mem_rss_mb":1474.0}
{"timestamp":"2026-05-31T18:00:52.000Z","level":"INFO","service":"payment-v2","latency_ms":142.0,"http_status":200,"active_users":462,"cpu_util":37.5,"mem_rss_mb":1519.0}
{"timestamp":"2026-05-31T18:00:53.000Z","level":"INFO","service":"payment-v2","latency_ms":144.0,"http_status":200,"active_users":460,"cpu_util":38.0,"mem_rss_mb":1564.0}
{"timestamp":"2026-05-31T18:00:54.000Z","level":"INFO","service":"payment-v2","latency_ms":146.0,"http_status":200,"active_users":461,"cpu_util":38.5,"mem_rss_mb":1609.0}
{"timestamp":"2026-05-31T18:00:55.000Z","level":"INFO","service":"payment-v2","latency_ms":148.0,"http_status":200,"active_users":462,"cpu_util":39.0,"mem_rss_mb":1654.0}
{"timestamp":"2026-05-31T18:00:56.000Z","level":"INFO","service":"payment-v2","latency_ms":150.0,"http_status":200,"active_users":460,"cpu_util":39.5,"mem_rss_mb":1699.0}
{"timestamp":"2026-05-31T18:00:57.000Z","level":"INFO","service":"payment-v2","latency_ms":152.0,"http_status":200,"active_users":461,"cpu_util":40.0,"mem_rss_mb":1744.0}
{"timestamp":"2026-05-31T18:00:58.000Z","level":"INFO","service":"payment-v2","latency_ms":154.0,"http_status":200,"active_users":462,"cpu_util":40.5,"mem_rss_mb":1789.0}
{"timestamp":"2026-05-31T18:00:59.000Z","level":"WARN","service":"payment-v2","latency_ms":156.0,"http_status":200,"active_users":460,"cpu_util":41.0,"mem_rss_mb":1834.0}
{"timestamp":"2026-05-31T18:01:00.000Z","level":"WARN","service":"payment-v2","latency_ms":158.0,"http_status":200,"active_users":461,"cpu_util":41.5,"mem_rss_mb":1879.0}
{"timestamp":"2026-05-31T18:01:01.000Z","level":"WARN","service":"payment-v2","latency_ms":160.0,"http_status":200,"active_users":462,"cpu_util":42.0,"mem_rss_mb":1924.0}
{"timestamp":"2026-05-31T18:01:02.000Z","level":"WARN","service":"payment-v2","latency_ms":162.0,"http_status":200,"active_users":460,"cpu_util":42.5,"mem_rss_mb":1969.0}
{"timestamp":"2026-05-31T18:01:03.000Z","level":"WARN","service":"payment-v2","latency_ms":164.0,"http_status":200,"active_users":461,"cpu_util":43.0,"mem_rss_mb":2014.0}
{"timestamp":"2026-05-31T18:01:04.000Z","level":"WARN","service":"payment-v2","latency_ms":166.0,"http_status":200,"active_users":462,"cpu_util":43.5,"mem_rss_mb":2059.0}
{"timestamp":"2026-05-31T18:01:05.000Z","level":"WARN","service":"payment-v2","latency_ms":168.0,"http_status":200,"active_users":460,"cpu_util":44.0,"mem_rss_mb":2104.0}
{"timestamp":"2026-05-31T18:01:06.000Z","level":"ERROR","service":"payment-v2","latency_ms":0.0,"http_status":503,"active_users":0,"cpu_util":2.0,"mem_rss_mb":2149.0}
{"timestamp":"2026-05-31T18:01:07.000Z","level":"ERROR","service":"payment-v2","latency_ms":0.0,"http_status":503,"active_users":0,"cpu_util":2.0,"mem_rss_mb":2194.0}
{"timestamp":"2026-05-31T18:01:08.000Z","level":"ERROR","service":"payment-v2","latency_ms":0.0,"http_status":503,"active_users":0,"cpu_util":2.0,"mem_rss_mb":2239.0}
{"timestamp":"2026-05-31T18:01:09.000Z","level":"ERROR","service":"payment-v2","latency_ms":0.0,"http_status":503,"active_users":0,"cpu_util":2.0,"mem_rss_mb":2284.0}
{"timestamp":"2026-05-31T18:01:10.000Z","level":"ERROR","service":"payment-v2","latency_ms":0.0,"http_status":503,"active_users":0,"cpu_util":2.0,"mem_rss_mb":2329.0}
{"timestamp":"2026-05-31T18:01:11.000Z","level":"INFO","service":"mesh-router","latency_ms":5.0,"http_status":200,"active_users":9000,"cpu_util":20.0,"mem_rss_mb":128.0}
{"timestamp":"2026-05-31T18:01:12.000Z","level":"INFO","service":"mesh-router","latency_ms":10.0,"http_status":200,"active_users":9400,"cpu_util":24.5,"mem_rss_mb":129.0}
{"timestamp":"2026-05-31T18:01:13.000Z","level":"INFO","service":"mesh-router","latency_ms":15.0,"http_status":200,"active_users":9800,"cpu_util":29.0,"mem_rss_mb":130.0}
{"timestamp":"2026-05-31T18:01:14.000Z","level":"INFO","service":"mesh-router","latency_ms":20.0,"http_status":200,"active_users":10200,"cpu_util":33.5,"mem_rss_mb":131.0}
{"timestamp":"2026-05-31T18:01:15.000Z","level":"INFO","service":"mesh-router","latency_ms":25.0,"http_status":200,"active_users":10600,"cpu_util":38.0,"mem_rss_mb":132.0}
{"timestamp":"2026-05-31T18:01:16.000Z","level":"INFO","service":"mesh-router","latency_ms":30.0,"http_status":200,"active_users":11000,"cpu_util":42.5,"mem_rss_mb":133.0}
{"timestamp":"2026-05-31T18:01:17.000Z","level":"INFO","service":"mesh-router","latency_ms":35.0,"http_status":200,"active_users":11400,"cpu_util":47.0,"mem_rss_mb":134.0}
{"timestamp":"2026-05-31T18:01:18.000Z","level":"WARN","service":"mesh-router","latency_ms":40.0,"http_status":200,"active_users":11800,"cpu_util":51.5,"mem_rss_mb":135.0}
{"timestamp":"2026-05-31T18:01:19.000Z","level":"WARN","service":"mesh-router","latency_ms":45.0,"http_status":200,"active_users":12200,"cpu_util":56.0,"mem_rss_mb":136.0}
{"timestamp":"2026-05-31T18:01:20.000Z","level":"WARN","service":"mesh-router","latency_ms":50.0,"http_status":200,"active_users":12600,"cpu_util":60.5,"mem_rss_mb":137.0}
{"timestamp":"2026-05-31T18:01:21.000Z","level":"WARN","service":"mesh-router","latency_ms":55.0,"http_status":200,"active_users":13000,"cpu_util":65.0,"mem_rss_mb":138.0}
{"timestamp":"2026-05-31T18:01:22.000Z","level":"WARN","service":"mesh-router","latency_ms":60.0,"http_status":200,"active_users":13400,"cpu_util":69.5,"mem_rss_mb":139.0}
{"timestamp":"2026-05-31T18:01:23.000Z","level":"WARN","service":"mesh-router","latency_ms":65.0,"http_status":200,"active_users":13800,"cpu_util":74.0,"mem_rss_mb":140.0}
{"timestamp":"2026-05-31T18:01:24.000Z","level":"WARN","service":"mesh-router","latency_ms":70.0,"http_status":200,"active_users":14200,"cpu_util":78.5,"mem_rss_mb":141.0}
{"timestamp":"2026-05-31T18:01:25.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":83.0,"mem_rss_mb":142.0}
{"timestamp":"2026-05-31T18:01:26.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":87.5,"mem_rss_mb":143.0}
{"timestamp":"2026-05-31T18:01:27.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":92.0,"mem_rss_mb":144.0}
{"timestamp":"2026-05-31T18:01:28.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":96.5,"mem_rss_mb":145.0}
{"timestamp":"2026-05-31T18:01:29.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":99.0,"mem_rss_mb":146.0}
{"timestamp":"2026-05-31T18:01:30.000Z","level":"FATAL","service":"mesh-router","latency_ms":0.0,"http_status":504,"active_users":0,"cpu_util":99.0,"mem_rss_mb":147.0}
{"timestamp":"2026-05-31T18:01:31.000Z","level":"INFO","service":"auth-api","latency_ms":25.0,"http_status":200,"active_users":1200,"cpu_util":35.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:01:32.000Z","level":"INFO","service":"payment-v2","latency_ms":115.0,"http_status":200,"active_users":400,"cpu_util":25.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:01:33.000Z","level":"INFO","service":"auth-api","latency_ms":25.0,"http_status":200,"active_users":1200,"cpu_util":35.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:01:34.000Z","level":"INFO","service":"payment-v2","latency_ms":115.0,"http_status":200,"active_users":400,"cpu_util":25.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:01:35.000Z","level":"INFO","service":"auth-api","latency_ms":25.0,"http_status":200,"active_users":1200,"cpu_util":35.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:01:36.000Z","level":"INFO","service":"payment-v2","latency_ms":115.0,"http_status":200,"active_users":400,"cpu_util":25.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:01:37.000Z","level":"INFO","service":"auth-api","latency_ms":25.0,"http_status":200,"active_users":1200,"cpu_util":35.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:01:38.000Z","level":"INFO","service":"payment-v2","latency_ms":115.0,"http_status":200,"active_users":400,"cpu_util":25.0,"mem_rss_mb":1024.0}
{"timestamp":"2026-05-31T18:01:39.000Z","level":"INFO","service":"auth-api","latency_ms":25.0,"http_status":200,"active_users":1200,"cpu_util":35.0,"mem_rss_mb":512.0}
{"timestamp":"2026-05-31T18:01:40.000Z","level":"INFO","service":"payment-v2","latency_ms":115.0,"http_status":200,"active_users":400,"cpu_util":25.0,"mem_rss_mb":1024.0}

epsmin samplesthresholdmax componentsEM iterationsmax Kn inititerationsbandwidthiterationstarget clusters

Run state

Engine status and backend summary. Supplemental trends are added below.

idle

Rows0

Clusters-

Entropy-

Trend-

Analysis output

The backend engine render stays intact. Export the rendered preview as PNG.

Category histogram

Grouped by level

INFO

63

WARN

20

ERROR

10

FATAL

7

http_status

Timestamp-based line chart

mem_rss_mb

Timestamp-based line chart

latency_ms

Timestamp-based line chart

cpu_util

Timestamp-based line chart

active_users

Timestamp-based line chart

cpu_util vs active_users

Numeric scatter plot

mem_rss_mb vs active_users

Numeric scatter plot

mem_rss_mb vs latency_ms

Numeric scatter plot

Correlation heatmap

Pearson correlation between numeric fields

level

Categorical distribution

service

Categorical distribution

Null ratio

Fields with missing values

active_users

20

cpu_util

15

latency_ms

14

mem_rss_mb

3

Inferred schema

Auto-detected field types, ranges, and cardinalities from the stream.

timestampstring

unique100

null rate0.0%

samples

2026-05-31T18:00:01.000Z

2026-05-31T18:00:02.000Z

2026-05-31T18:00:03.000Z

2026-05-31T18:00:04.000Z

2026-05-31T18:00:05.000Z

levelstring

unique4

null rate0.0%

samplesINFO, WARN, ERROR, FATAL

servicestring

unique3

null rate0.0%

samplesauth-api, payment-v2, mesh-router

http_statusnumber

min / max / mean200.00 / 504.00 / 251.39

null rate0.0%

samples200, 500, 503, 504

mem_rss_mbnumber

min / max / mean128.00 / 2194.00 / 779.72

null rate3.0%

samples512, 1024, 128, 1069, 1114

latency_msnumber

min / max / mean0.00 / 505.00 / 86.27

null rate14.0%

samples20, 110.3, 4.1, 21.5, 111.2

cpu_utilnumber

min / max / mean2.00 / 85.50 / 38.68

null rate15.0%

samples40, 30.1, 15.1, 40.6, 30.4

active_usersnumber

min / max / mean0.00 / 4350.00 / 1138.91

null rate20.0%

samples1400, 451, null, 1406, 450