Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Tie up the Database internals section with the v4.4 #1973

Merged
merged 9 commits into from
Dec 11, 2024
Merged

Tie up the Database internals section with the v4.4 #1973

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
9 commits
Select commit Hold shift + click to select a range
44e9641
Tie up the Database internals section with the v4.4
NataliaIvakina Nov 20, 2024
db20db7
Update modules/ROOT/pages/database-internals/checkpointing.adoc
NataliaIvakina Nov 20, 2024
d199108
Update modules/ROOT/pages/database-internals/checkpointing.adoc
NataliaIvakina Nov 20, 2024
a2852d2
Replace page-alias with the links
NataliaIvakina Nov 21, 2024
1cf0348
Move the note up
NataliaIvakina Nov 21, 2024
5543bdd
Apply suggestions from code review
NataliaIvakina Nov 21, 2024
1c4ebc4
Change according to discussions
NataliaIvakina Nov 28, 2024
f745747
Update modules/ROOT/pages/database-internals/store-formats.adoc
NataliaIvakina Nov 28, 2024
dcba851
Fix one redirect, replace another one with the note
NataliaIvakina Dec 10, 2024
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
1 change: 1 addition & 0 deletions modules/ROOT/pages/database-internals/checkpointing.adoc
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
[[checkpointing-log-pruning]]
:page-aliases: monitoring/transaction-management.adoc
= Checkpointing and log pruning

Checkpointing is the process of flushing all pending updates from volatile memory to non-volatile data storage.
Expand Down
5 changes: 5 additions & 0 deletions modules/ROOT/pages/database-internals/concurrent-data-access.adoc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,11 @@

== Isolation levels

[NOTE]
====
For information on Neo4j 4.4, see link:https://neo4j.com/docs/java-reference/4.4/transaction-management/#transactions-isolation[Java Reference -> Isolation levels].
NataliaIvakina marked this conversation as resolved.
Show resolved Hide resolved
====

Neo4j supports the following isolation levels:

_read-committed isolation level_:: label:default[] A transaction that reads a node/relationship does not block another transaction from writing to that node/relationship before the first transaction finishes.
Expand Down
7 changes: 6 additions & 1 deletion modules/ROOT/pages/database-internals/index.adoc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,4 +24,9 @@ The following sections describe the transactional behavior in detail and how to
* xref:database-internals/concurrent-data-access.adoc[]
* xref:database-internals/transaction-logs.adoc[]
* xref:database-internals/checkpointing.adoc[]
* xref:database-internals/store-formats.adoc[]
* xref:database-internals/store-formats.adoc[]

[NOTE]
====
For information on Neo4j 4.4, see link:https://neo4j.com/docs/java-reference/4.4/transaction-management/[Java Reference -> Transaction management].
====
5 changes: 5 additions & 0 deletions modules/ROOT/pages/database-internals/transaction-management.adoc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,11 @@

== Transactions

[NOTE]
====
For information on Neo4j 4.4, refer to link:https://neo4j.com/docs/java-reference/4.4/transaction-management/[Java Reference -> Transaction management].
NataliaIvakina marked this conversation as resolved.
Show resolved Hide resolved
====

Database operations that access the graph, indexes, or schema are performed in a transaction to ensure the ACID properties.
Transactions are single-threaded, confined, and independent.
Multiple transactions can be started in a single thread and they are independent of each other.
Expand Down