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Vyacheslav Koptilin edited comment on IGNITE-12042 at 8/6/19 5:23 PM: ---------------------------------------------------------------------- Thank you, Pavel, for the review! So, I would propose to change the formula as follows: {code:java} boolean oomThreshold = (memorySize / pageMem.systemPageSize()) < (datarow.size() / pageMem.systemPageSize() + nonEmptyPages * (8.0 * 1.5 / pageMem.pageSize() + 1) + 256 /one page per bucket/);{code} where: {{memorySize / pageMem.systemPageSize()) - total pages}} {{datarow.size() / pageMem.systemPageSize() - data row pages}} {{nonEmptyPages * (8.0 * 1.5 / pageMem.pageSize() + 1) - nonEmptyPages + linkPages (multiplied by 1.5)}} {{256 - additional pages reserved for buckets of FreeList}} {{What do you think, [~xtern] [~ivan.glukos]? I am ready to update the PR and re-run TC. :)}} was (Author: slava.koptilin): Thank you, Pavel, for the review! So, I propose to change the formula as follows: {code:java} boolean oomThreshold = (memorySize / pageMem.systemPageSize()) < (datarow.size() / pageMem.systemPageSize() + nonEmptyPages * (8.0 * 1.5 / pageMem.pageSize() + 1) + 256 /one page per bucket/);{code} where: {{memorySize / pageMem.systemPageSize()) - total pages}} {{datarow.size() / pageMem.systemPageSize() - data row pages}} {{nonEmptyPages * (8.0 * 1.5 / pageMem.pageSize() + 1) - nonEmptyPages + linkPages (multiplied by 1.5)}} {{256 - additional pages reserved for buckets of FreeList}} {{What do you think, [~xtern] [~ivan.glukos]? I am ready to update the PR and re-run TC. :)}} > Atempt to remove entries from fully populated data region may result in > IgineOutOfMemoryException > ------------------------------------------------------------------------------------------------- > > Key: IGNITE-12042 > URL: https://issues.apache.org/jira/browse/IGNITE-12042 > Project: Ignite > Issue Type: Bug > Affects Versions: 2.7 > Reporter: Vyacheslav Koptilin > Assignee: Vyacheslav Koptilin > Priority: Major > Fix For: 2.8 > > Time Spent: 10m > Remaining Estimate: 0h > > Removing entries from non-persistent data region may require allocating a new > data page in order to move a tracked page from one bucket of the free-list to > another one. -- This message was sent by Atlassian JIRA (v7.6.14#76016)