{"header":{"message":"Actually, with the correct functions, Unsized pages are always slower than Sized pages (especially for writing)","description":null,"timestamp":"2021-02-03T22:28:21.559845756Z","authors":[{"full_name":"Pierre-Étienne Meunier","name":"pmeunier"}]},"hash":"AOX2XQISHGWNNAFBYRN44Q6AWG7H5DPBK5YMFHK42HQNZ2TMHEJQC","authors":[],"deps":{"hashes":[["AOX2XQISHGWNNAFBYRN44Q6AWG7H5DPBK5YMFHK42HQNZ2TMHEJQC","Actually, with the correct functions, Unsized pages are always slower than Sized pages (especially for writing)"],["AA",null],["AFKBHYVE25QMIU2WZATEGWG2EXSBQZ44DVDPACKNS3M4QGBF4ONAC","Comparing the two implementations of leaves (sized/unsized). Sized are faster for writes, slower for reads."],["H3FVSQIQGFCFKCPXVOSFHP4OSUOBBURJESCZNGQTNDAAD3WQSBEQC","Unsized pages"],["WS4ZQM4RMIHZ6XZKSDQJGHN5SSSWFL4H236USOPUA33S6RC53RFAC","Debugging, tests, etc."],["APPY2E7M5NHNC6MFYXSVEKJVAILK7YAZVTVE3W75EK2JNFVS3XBQC","Unsized deletions + custom sizes back"],["OP6SVMOD2GTQ7VNJ4E5KYFG4MIYA7HBMXJTADALMZH4PY7OQRMZQC","Resetting history"],["YWFYZNLZ5JHLIFVBRKZK4TSWVPROUPRG77ZB5M7UHT2OKPL4ZSRQC","Cleanup + inter-process concurrency"],["PXF3R6SVXJXN2NMLMWNY5OFV5QYVE2VZTLGIZDZVK5ZVLFTVSSWQC","Improving test coverage for btree::cursor"],["X3QVVQIS7B7L3XYZAWL3OOBUXOJ6RMOKQ45YMLLGAHYPEEKZ45ZAC","More debugging (del seems to work now)"],["6UVFCERMGSGNRWCVC3GWO5HWV6MSWE433DXBJVC7KRPP6LLJLCSQC","Formatting, debugging, etc."],["JEHCE5FNOINH47N5MZ2I7JP7DKGN24PW5TVDRVALRPZHTIQCMMDQC","Alignment in unsized splits"],["UAQX27N4PI4LHEW6LSHJETIE5MV7JTEMPLTJFYUBMYVPC43H7VOAC","Tests"]],"deps":["AFKBHYVE25QMIU2WZATEGWG2EXSBQZ44DVDPACKNS3M4QGBF4ONAC"],"known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},"hunks":[{"Edit":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":112,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":4814},"to":{"change":3,"start":4814,"end":4964},"introduced_by":3}],"inode":{"change":3,"pos":2014}}},"contents":[{"Del":" debug!(\n \"update_left_child: {:?} {:?} {:?}\",\n page,\n mutable,\n header(page.as_page())\n );\n"}]}},{"Edit":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":117,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":5165},"to":{"change":3,"start":5165,"end":5204},"introduced_by":3}],"inode":{"change":3,"pos":2014}}},"contents":[{"Del":" debug!(\"new = {:?}\", new);\n"}]}},{"Edit":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":142,"atom":{"EdgeMap":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":1340},"to":{"change":3,"start":6078,"end":6121},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":6078},"to":{"change":3,"start":6078,"end":6121},"introduced_by":3}],"inode":{"change":3,"pos":2014}}},"contents":[{"Del":" debug!(\"del: {:?} {:?}\", page, l);\n"}]}},{"Edit":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":397,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":15321},"to":{"change":3,"start":15321,"end":15396},"introduced_by":3}],"inode":{"change":3,"pos":2014}}},"contents":[{"Del":" debug!(\"set_cursor, {:?} lookup = {:?}\", page.offset, lookup);\n"}]}},{"Replacement":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":588,"ins":{"up_context":[{"change":3,"pos":21429}],"down_context":[{"change":3,"pos":21467}],"flag":"BLOCK","start":0,"end":52,"inode":{"change":3,"pos":2014}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":21429},"to":{"change":3,"start":21429,"end":21467},"introduced_by":3}],"inode":{"change":3,"pos":2014}},"ins_contents":[{"Add":" debug!(\"clone: {:?} {:?}\", s, s.len());"}],"del_contents":[{"Del":" debug!(\"clone: {:?}\", s);\n"}]}},{"Edit":{"inode":{"change":3,"pos":2014},"path":"sanakirja-core/src/btree/page_unsized.rs","line":594,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":21704},"to":{"change":3,"start":21704,"end":21784},"introduced_by":3}],"inode":{"change":3,"pos":2014}}},"contents":[{"Del":" debug!(\"ptr = {:?}\", core::slice::from_raw_parts(ptr, 24));\n"}]}},{"Edit":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":57,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":28946}],"down_context":[{"change":3,"pos":28946}],"flag":"BLOCK","start":53,"end":191,"inode":{"change":3,"pos":27023}}},"contents":[{"Add":""},{"Add":" {"},{"Add":" let hdr = header(new.0.as_page());"},{"Add":" assert_eq!(hdr.n() as u64 * 16, hdr.left_page() & 0xfff);"},{"Add":" }"}]}},{"Replacement":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":108,"ins":{"up_context":[{"change":3,"pos":30106}],"down_context":[{"change":3,"pos":30168}],"flag":"BLOCK","start":192,"end":253,"inode":{"change":3,"pos":27023}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":30106},"to":{"change":3,"start":30106,"end":30168},"introduced_by":3}],"inode":{"change":3,"pos":27023}},"ins_contents":[{"Add":" page.data.as_ptr().add(HDR) as *const L::Offset,"}],"del_contents":[{"Del":" page.data.as_ptr().add(HDR) as *const LeafOffset,\n"}]}},{"Edit":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":115,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":30307}],"down_context":[{"change":3,"pos":30307}],"flag":"BLOCK","start":254,"end":768,"inode":{"change":3,"pos":27023}}},"contents":[{"Add":""},{"Add":" if uu == u {"},{"Add":" if let Some((k1, v1)) = k1v1 {"},{"Add":" alloc::(current_page, k0, v0, 0, l0, &mut n);"},{"Add":" total += alloc_size(k0, v0) + L::extra_size();"},{"Add":" alloc::(current_page, k1, v1, 0, r0, &mut n);"},{"Add":" total += alloc_size(k1, v1) + L::extra_size();"},{"Add":" } else {"},{"Add":" alloc::(current_page, k0, v0, l0, r0, &mut n);"},{"Add":" total += alloc_size(k0, v0) + L::extra_size();"},{"Add":" }"},{"Add":" }"},{"Add":""}]}},{"Edit":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":129,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":30357}],"down_context":[{"change":3,"pos":30357}],"flag":"BLOCK","start":769,"end":860,"inode":{"change":3,"pos":27023}}},"contents":[{"Add":" debug!(\"{:?} {:?} {:?} {:?}\", r, off, is_left, total);"},{"Add":" assert_ne!(off, 0);"}]}},{"Replacement":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":152,"ins":{"up_context":[{"change":3,"pos":31208}],"down_context":[{"change":3,"pos":31734}],"flag":"BLOCK","start":861,"end":1147,"inode":{"change":3,"pos":27023}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31208},"to":{"change":3,"start":31208,"end":31343},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31343},"to":{"change":3,"start":2685,"end":2748},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":2748},"to":{"change":3,"start":31414,"end":31485},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31414},"to":{"change":3,"start":31414,"end":31485},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31485},"to":{"change":3,"start":2749,"end":2812},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":2812},"to":{"change":3,"start":31556,"end":31649},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31556},"to":{"change":3,"start":31556,"end":31649},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31649},"to":{"change":3,"start":2813,"end":2876},"introduced_by":3},{"previous":"","flag":"DELETED","from":{"change":3,"pos":2876},"to":{"change":3,"start":31720,"end":31734},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":31720},"to":{"change":3,"start":31720,"end":31734},"introduced_by":3}],"inode":{"change":3,"pos":27023}},"ins_contents":[{"Add":" }"},{"Add":" if u == s.len() {"},{"Add":" if let Some((k1, v1)) = k1v1 {"},{"Add":" alloc::(current_page, k0, v0, 0, l0, &mut n);"},{"Add":" alloc::(current_page, k1, v1, 0, r0, &mut n);"},{"Add":" } else {"},{"Add":" alloc::(current_page, k0, v0, l0, r0, &mut n);"}],"del_contents":[{"Del":" if uu == u {\n if let Some((k1, v1)) = k1v1 {\n alloc::(current_page, k0, v0, 0, l0, &mut n);\n"},{"Del":" total += alloc_size(k0, v0) + L::extra_size();\n"},{"Del":" alloc::(current_page, k1, v1, 0, r0, &mut n);\n"},{"Del":" total += alloc_size(k1, v1) + L::extra_size();\n"},{"Del":" } else {\n alloc::(current_page, k0, v0, l0, r0, &mut n);\n"},{"Del":" total += alloc_size(k0, v0) + L::extra_size();\n"},{"Del":" }\n"}]}},{"Edit":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":160,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":31744}],"down_context":[{"change":3,"pos":31744}],"flag":"BLOCK","start":1148,"end":1393,"inode":{"change":3,"pos":27023}}},"contents":[{"Add":" }"},{"Add":" {"},{"Add":" let hdr = header(left.0.as_page());"},{"Add":" assert_eq!(hdr.n() as u64 * 16, hdr.left_page() & 0xfff);"},{"Add":" }"},{"Add":" {"},{"Add":" let hdr = header(right.0.as_page());"},{"Add":" assert_eq!(hdr.n() as u64 * 16, hdr.left_page() & 0xfff);"}]}},{"Edit":{"inode":{"change":3,"pos":27023},"path":"sanakirja-core/src/btree/page_unsized/put.rs","line":169,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":31750}],"down_context":[{"change":3,"pos":31750}],"flag":"BLOCK","start":1394,"end":1395,"inode":{"change":3,"pos":27023}}},"contents":[{"Add":""}]}},{"Replacement":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":65,"ins":{"up_context":[{"change":3,"pos":3236}],"down_context":[{"change":3,"pos":36212}],"flag":"BLOCK","start":1396,"end":1640,"inode":{"change":3,"pos":33822}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":3236},"to":{"change":3,"start":3236,"end":3317},"introduced_by":3}],"inode":{"change":3,"pos":33822}},"ins_contents":[{"Add":" debug!("},{"Add":" \"can_alloc, leaf: {:?} {:?} {:?} {:?}\","},{"Add":" HDR,"},{"Add":" hdr.n() * 2,"},{"Add":" hdr.data(),"},{"Add":" size"},{"Add":" );"},{"Add":" (HDR as usize) + (hdr.n() as usize) * 2 + 2 + size <= hdr.data() as usize"}],"del_contents":[{"Del":" (HDR as usize) + (hdr.n() as usize) * 2 + 2 + size < hdr.data() as usize\n"}]}},{"Replacement":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":76,"ins":{"up_context":[{"change":3,"pos":3390}],"down_context":[{"change":3,"pos":3443}],"flag":"BLOCK","start":1641,"end":1690,"inode":{"change":3,"pos":33822}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":3390},"to":{"change":3,"start":3390,"end":3443},"introduced_by":3}],"inode":{"change":3,"pos":33822}},"ins_contents":[{"Add":" \"can_compact, leaf: {:?} {:?} {:?}\","}],"del_contents":[{"Del":" \"can_compact, internal: {:?} {:?} {:?}\",\n"}]}},{"Edit":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":81,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":3525}],"down_context":[{"change":3,"pos":3525}],"flag":"BLOCK","start":1691,"end":1795,"inode":{"change":3,"pos":33822}}},"contents":[{"Add":" assert_eq!(hdr.n() as u64 * 16, hdr.left_page() & 0xfff); // Just for the test with (u64, u64)."}]}},{"Edit":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":113,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":4008}],"down_context":[{"change":3,"pos":4008}],"flag":"BLOCK","start":1796,"end":1868,"inode":{"change":3,"pos":33822}}},"contents":[{"Add":" assert!(HDR + hdr.n() as usize * 2 + 2 + size < data as usize);"}]}},{"Replacement":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":180,"ins":{"up_context":[{"change":3,"pos":4260}],"down_context":[{"change":3,"pos":39942}],"flag":"BLOCK","start":1869,"end":2117,"inode":{"change":3,"pos":33822}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":3,"pos":4260},"to":{"change":3,"start":39861,"end":39942},"introduced_by":3},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":39861},"to":{"change":3,"start":39861,"end":39942},"introduced_by":3}],"inode":{"change":3,"pos":33822}},"ins_contents":[{"Add":" debug!("},{"Add":" \"can_alloc, internal: {:?} {:?} {:?} {:?}\","},{"Add":" HDR,"},{"Add":" hdr.n() * 8,"},{"Add":" hdr.data(),"},{"Add":" size"},{"Add":" );"},{"Add":" (HDR as usize) + (hdr.n() as usize) * 8 + 8 + size <= hdr.data() as usize"}],"del_contents":[{"Del":" (HDR as usize) + (hdr.n() as usize) * 8 + 8 + size < hdr.data() as usize\n"}]}},{"Edit":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":236,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":4826}],"down_context":[{"change":3,"pos":4826}],"flag":"BLOCK","start":2118,"end":2191,"inode":{"change":3,"pos":33822}}},"contents":[{"Add":" assert!(HDR + hdr.n() as usize * 8 + 8 + size <= data as usize);"}]}},{"Edit":{"inode":{"change":3,"pos":33822},"path":"sanakirja-core/src/btree/page_unsized/alloc.rs","line":284,"atom":{"NewVertex":{"up_context":[{"change":3,"pos":43162}],"down_context":[{"change":3,"pos":43162}],"flag":"BLOCK","start":2192,"end":2250,"inode":{"change":3,"pos":33822}}},"contents":[{"Add":" debug!(\"internal page {:?} {:?}\", page, hdr.n());"}]}},{"Edit":{"inode":{"change":3,"pos":8623},"path":"sanakirja-core/src/btree/page.rs","line":431,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":9111},"to":{"change":3,"start":634,"end":709},"introduced_by":3}],"inode":{"change":3,"pos":8623}}},"contents":[{"Del":" debug!(\"set_cursor, {:?} lookup = {:?}\", page.offset, lookup);\n"}]}},{"Replacement":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":333,"ins":{"up_context":[{"change":3,"pos":12041}],"down_context":[{"change":3,"pos":12090}],"flag":"BLOCK","start":2251,"end":2309,"inode":{"change":13,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12041},"to":{"change":3,"start":12041,"end":12090},"introduced_by":3}],"inode":{"change":13,"pos":11}},"ins_contents":[{"Add":" assert!(put(&mut txn, &mut db, &i, &i).unwrap());"}],"del_contents":[{"Del":" put(&mut txn, &mut db, &i, &i).unwrap();\n"}]}},{"Replacement":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":345,"ins":{"up_context":[{"change":3,"pos":12418}],"down_context":[{"change":3,"pos":12437}],"flag":"BLOCK","start":2310,"end":2331,"inode":{"change":13,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12418},"to":{"change":3,"start":12418,"end":12437},"introduced_by":3}],"inode":{"change":13,"pos":11}},"ins_contents":[{"Add":" let mut err = 0;"}],"del_contents":[{"Del":" let mut n = 0;\n"}]}},{"Replacement":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":349,"ins":{"up_context":[{"change":3,"pos":12538}],"down_context":[{"change":3,"pos":12557}],"flag":"BLOCK","start":2332,"end":2353,"inode":{"change":13,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12538},"to":{"change":3,"start":12538,"end":12557},"introduced_by":3}],"inode":{"change":13,"pos":11}},"ins_contents":[{"Add":" err += 1"}],"del_contents":[{"Del":" n += 1\n"}]}},{"Replacement":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":352,"ins":{"up_context":[{"change":3,"pos":12573}],"down_context":[{"change":2,"pos":412}],"flag":"BLOCK","start":2354,"end":2433,"inode":{"change":13,"pos":11}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12573},"to":{"change":3,"start":12573,"end":12595},"introduced_by":3}],"inode":{"change":13,"pos":11}},"ins_contents":[{"Add":" assert_eq!(err, 0);"},{"Add":" println!(\"sized length = {:?}\", txn.length >> 12);"}],"del_contents":[{"Del":" assert_eq!(n, 0);\n"}]}},{"Edit":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":357,"atom":{"EdgeMap":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12738},"to":{"change":2,"start":414,"end":441},"introduced_by":2}],"inode":{"change":13,"pos":11}}},"contents":[{"Del":" let n = 10_000_000u64;\n"}]}},{"Replacement":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":359,"ins":{"up_context":[{"change":2,"pos":489}],"down_context":[{"change":3,"pos":12831}],"flag":"BLOCK","start":2434,"end":2492,"inode":{"change":13,"pos":11}},"del":{"edges":[{"previous":"","flag":"DELETED","from":{"change":2,"pos":489},"to":{"change":3,"start":12782,"end":12831},"introduced_by":2},{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":12782},"to":{"change":3,"start":12782,"end":12831},"introduced_by":3}],"inode":{"change":13,"pos":11}},"ins_contents":[{"Add":" assert!(put(&mut txn, &mut db, &i, &i).unwrap());"}],"del_contents":[{"Del":" put(&mut txn, &mut db, &i, &i).unwrap();\n"}]}},{"Edit":{"inode":{"change":13,"pos":11},"path":"sanakirja/src/tests.rs","line":368,"atom":{"NewVertex":{"up_context":[{"change":2,"pos":760}],"down_context":[{"change":3,"pos":12890}],"flag":"BLOCK","start":2493,"end":2550,"inode":{"change":13,"pos":11}}},"contents":[{"Add":" println!(\"unsized length = {:?}\", txn.length >> 12);"}]}},{"Replacement":{"inode":{"change":3,"pos":80166},"path":"sanakirja/src/environment/muttxn.rs","line":16,"ins":{"up_context":[{"change":3,"pos":80367}],"down_context":[{"change":3,"pos":1290}],"flag":"BLOCK","start":2551,"end":2579,"inode":{"change":3,"pos":80166}},"del":{"edges":[{"previous":"BLOCK","flag":"BLOCK | DELETED","from":{"change":3,"pos":80367},"to":{"change":3,"start":80367,"end":80384},"introduced_by":3}],"inode":{"change":3,"pos":80166}},"ins_contents":[{"Add":" pub(crate) length: u64,"}],"del_contents":[{"Del":" length: u64,\n"}]}}],"owner":"pijul","repo":"sanakirja","token":"Zr0GQVJxoaaWyhGfO6tiVjBjRoKzKWYRYDawLybnhUQ=","login":null}

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