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

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Merged
merged 9 commits into from
Dec 11, 2024
Merged

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

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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
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1 change: 1 addition & 0 deletions modules/ROOT/pages/database-internals/checkpointing.adoc
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@@ -1,4 +1,5 @@
[[checkpointing-log-pruning]]
:page-aliases: configuration/transaction-logs.adoc
= Checkpointing and log pruning

Checkpointing is the process of flushing all pending updates from volatile memory to non-volatile data storage.
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5 changes: 5 additions & 0 deletions modules/ROOT/pages/database-internals/concurrent-data-access.adoc
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== 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].
====

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.
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7 changes: 6 additions & 1 deletion modules/ROOT/pages/database-internals/index.adoc
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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
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== 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].
====

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.
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