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[Jan28 00:31] node invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[ +0.000002] oom_kill_process+0x21f/0x420
[ +0.000000] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
[ +0.221529] postgres invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[ +0.000002] oom_kill_process+0x21f/0x420
[ +0.000001] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
[ +0.059692] oom_reaper: reaped process 833 (postgres), now anon-rss:0kB, file-rss:0kB, shmem-rss:10168412kBÐ
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kernel: [41806532.140786] Call Trace:
kernel: [41806532.140807] dump_stack+0x63/0x8b
kernel: [41806532.140815] dump_header+0x71/0x285
kernel: [41806532.140822] oom_kill_process+0x220/0x440
kernel: [41806532.140824] out_of_memory+0x2d1/0x4f0
kernel: [41806532.140828] __alloc_pages_slowpath+0xa61/0xe20
kernel: [41806532.140832] __alloc_pages_nodemask+0x263/0x280
kernel: [41806532.140841] alloc_pages_current+0x6a/0xe0
kernel: [41806532.140844] __page_cache_alloc+0x81/0xa0
kernel: [41806532.140847] filemap_fault+0x378/0x6f0
kernel: [41806532.140851] ? page_add_file_rmap+0x5b/0x180
kernel: [41806532.140853] ? filemap_map_pages+0x36c/0x390
kernel: [41806532.140862] ext4_filemap_fault+0x31/0x44
kernel: [41806532.140866] __do_fault+0x24/0xf0
kernel: [41806532.140869] handle_pte_fault+0x883/0xd30
kernel: [41806532.140871] __handle_mm_fault+0x478/0x5c0
kernel: [41806532.140874] handle_mm_fault+0xb1/0x1f0
kernel: [41806532.140884] __do_page_fault+0x250/0x4d0
kernel: [41806532.140887] do_page_fault+0x2e/0xe0
kernel: [41806532.140890] ? page_fault+0x2f/0x50
kernel: [41806532.140892] page_fault+0x45/0x50
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SELECT x, COUNT(x), array_agg(x)
FROM (
SELECT ((i << 20) | (j << 10) | k)::text::xid AS x
FROM generate_series(0,1023) AS i,
generate_series(0,1023) AS j,
generate_series(0,1023) AS k
) s
GROUP BY x;