ibessonov commented on code in PR #6188:
URL: https://github.com/apache/ignite-3/pull/6188#discussion_r2184976139
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modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/replacement/ClockPageReplacementFlags.java:
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@@ -113,7 +111,20 @@ boolean getFlag(int pageIdx) {
* @param pageIdx Page index.
*/
public void clearFlag(int pageIdx) {
- compareAndSwapFlag(pageIdx, flags -> flags & ~(1L << pageIdx));
+ long ptr = flagsPtr + ((pageIdx >> 3) & (~7L));
Review Comment:
I can extract computations, but I'm afraid that constants would make the
code less readable. You know off the bat what `~7L` means, while parsing a name
and identifying what it means takes more time. What this class really needs is
some documentation
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