Skip to content
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions modules/ROOT/pages/database-internals/checkpointing.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -115,42 +115,42 @@ The following details the expected messages to appear in the _logs\debug.log_ up
+
....
2023-05-28 12:55:05.174+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for time threshold" @ txId: 49 checkpoint started...
2023-05-28 12:55:05.253+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for time threshold" @ txId: 49 checkpoint completed in 79ms
2023-05-28 12:55:05.253+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for time threshold" @ txId: 49 checkpoint completed in 79ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

* Checkpoint based upon `db.checkpoint.interval.tx`:
+
....
2023-05-28 13:08:51.603+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for tx count threshold" @ txId: 118 checkpoint started...
2023-05-28 13:08:51.669+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for tx count threshold" @ txId: 118 checkpoint completed in 66ms
2023-05-28 13:08:51.669+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for tx count threshold" @ txId: 118 checkpoint completed in 66ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

* Checkpoint when `db.checkpoint=continuous`:
+
....
2023-05-28 13:17:21.927+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for continuous threshold" @ txId: 171 checkpoint started...
2023-05-28 13:17:21.941+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for continuous threshold" @ txId: 171 checkpoint completed in 13ms
2023-05-28 13:17:21.941+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Scheduled checkpoint for continuous threshold" @ txId: 171 checkpoint completed in 13ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

* Checkpoint as a result of database shutdown:
+
....
2023-05-28 12:35:56.272+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Database shutdown" @ txId: 47 checkpoint started...
2023-05-28 12:35:56.306+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Database shutdown" @ txId: 47 checkpoint completed in 34ms
2023-05-28 12:35:56.306+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Database shutdown" @ txId: 47 checkpoint completed in 34ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

* Checkpoint as a result of `CALL db.checkpoint()`:
+
....
2023-05-28 12:31:56.463+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Call to db.checkpoint() procedure" @ txId: 47 checkpoint started...
2023-05-28 12:31:56.490+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Call to db.checkpoint() procedure" @ txId: 47 checkpoint completed in 27ms
2023-05-28 12:31:56.490+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Call to db.checkpoint() procedure" @ txId: 47 checkpoint completed in 27ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

* Checkpoint as a result of a backup run:
+
....
2023-05-28 12:33:30.489+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Full backup" @ txId: 47 checkpoint started...
2023-05-28 12:33:30.509+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Full backup" @ txId: 47 checkpoint completed in 20ms
2023-05-28 12:33:30.509+0000 INFO [o.n.k.i.t.l.c.CheckPointerImpl] Checkpoint triggered by "Full backup" @ txId: 47 checkpoint completed in 20ms. Checkpoint flushed 74 pages (7% of total available pages), in 58 IOs. Checkpoint performed with IO limit: 789 IOPS, paused in total 0 times(0 millis). Average checkpoint flush speed: 592.0KiB/s.
....

https://neo4j.com/docs/operations-manual/current/monitoring/metrics/reference/#metrics-general-purpose[Checkpoint Metrics] are also available and are detailed in the following files, in the _metrics/_ directory:
Expand Down