[jira] [Updated] (IGNITE-17267) Preparing a checkpoint for a DeltaFilePageStore
Title: Message Title Kirill Tkalenko updated an issue Ignite / IGNITE-17267 Preparing a checkpoint for a DeltaFilePageStore Change By: Kirill Tkalenko To implement the *DeltaFilePageStore*, we need to prepare a checkpoint for their creation.What should be done:# Sort dirty pages (*FullPageId*) by *groupId*, *partitionId*, *pageIdx*;# In several threads, write dirty pages in batches for each partition and know the number of these pages.What can we look at:* *org.apache.ignite.internal.pagememory.persistence.checkpoint.CheckpointWorkflow#beginCheckpoint** *org.apache.ignite.internal.pagememory.persistence.checkpoint.CheckpointWorkflow#splitAndSortCheckpointPagesIfNeeded** *org.apache.ignite.internal.pagememory.persistence.checkpoint.Checkpointer#writePages*Some implementation notes:* We can replace *CheckpointWorkflow#parallelSortThreshold* with a constant at 40k, according to the article from 1 [paper|https://www . researchgate.net/publication/331742843_Threshold_Analysis_and_Comparison_of_Sequential_and_Parallel_Divide_and_Conquer_Sorting_Algorithms]. Add Comment This message was sent by Atlassian Jira (v8.20.10#820010-sha1:ace47f9)
[jira] [Updated] (IGNITE-17267) Preparing a checkpoint for a DeltaFilePageStore
Title: Message Title Kirill Tkalenko updated an issue Ignite / IGNITE-17267 Preparing a checkpoint for a DeltaFilePageStore Change By: Kirill Tkalenko To implement the *DeltaFilePageStore*, we need to prepare a checkpoint for their creation.What should be done:# Sort dirty pages (*FullPageId*) by *groupId*, *partitionId*, *pageIdx*;# In several threads, write dirty pages in batches for each partition and know the number of these pages.What can we look at:* *org.apache.ignite.internal.pagememory.persistence.checkpoint.CheckpointWorkflow#beginCheckpoint** *org.apache.ignite.internal.pagememory.persistence.checkpoint.CheckpointWorkflow#splitAndSortCheckpointPagesIfNeeded** *org.apache.ignite.internal.pagememory.persistence.checkpoint.Checkpointer#writePages* Some implementation notes:* We can replace *CheckpointWorkflow#parallelSortThreshold* with a constant at 40k, according to the article from 1. Add Comment This message was sent by Atlassian Jira (v8.20.10#820010-sha1:ace47f9)
