---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10218 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.2G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 752 4997 4 2483 7189 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:b6:9a:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78458sec preferred_lft 78458sec inet6 fe80::f816:3eff:feb6:9a40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10218) 05/02/26 _x86_64_ (2 CPU) 00:39:57 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 8.38 3.41 4.87 0.09 399.09 5440.13 228.30 01:00:01 1.57 0.01 1.53 0.03 0.05 19.48 872.29 01:10:01 1.71 0.25 1.43 0.03 31.01 72.58 1.37 01:20:01 1.37 0.01 1.36 0.00 1.07 15.84 0.17 01:30:01 1.52 0.00 1.50 0.02 0.00 18.53 871.09 01:40:01 1.32 0.00 1.32 0.00 0.00 15.25 0.00 01:50:01 1.37 0.00 1.37 0.00 0.00 16.10 0.00 02:00:01 22.40 3.01 17.14 2.25 226.51 3168.07 574.93 02:10:01 1.27 0.00 1.27 0.00 0.00 15.52 0.00 02:20:01 14.90 0.00 1.45 13.45 0.15 141.68 106685.62 02:30:01 1.64 0.00 1.60 0.03 0.00 232.34 2.49 02:40:01 1.28 0.00 1.27 0.01 0.00 145.07 1.16 02:50:01 1.25 0.00 1.25 0.00 0.00 15.88 0.00 Average: 4.61 0.51 2.87 1.22 50.63 716.99 8402.12 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6281348 7527052 292808 3.60 30488 1421124 518708 5.65 444336 1183184 316 01:00:01 6270652 7516972 302904 3.72 30716 1421464 518768 5.65 444440 1183776 288 01:10:01 6243968 7516940 302544 3.72 31104 1447380 721640 7.86 459020 1201316 176 01:20:01 6244072 7517864 301628 3.71 31268 1448016 518972 5.65 454348 1201812 252 01:30:01 6240100 7514420 304988 3.75 31476 1448348 519848 5.66 455736 1202320 304 01:40:01 6254996 7529924 289476 3.56 31628 1448800 519912 5.66 456336 1202792 176 01:50:01 6259284 7534752 284676 3.50 31804 1449124 519912 5.66 456388 1203328 176 02:00:01 5087536 7203676 567388 6.98 85192 2195152 805716 8.78 767760 1957596 292 02:10:01 5154648 7271304 499756 6.15 85308 2195556 727300 7.92 689440 1958112 176 02:20:01 5124992 7279788 491176 6.04 85460 2233440 771904 8.41 718088 1996156 236 02:30:01 4995792 7215904 554048 6.81 85620 2297708 824640 8.98 770480 2060452 288 02:40:01 4860340 7120312 648936 7.98 85768 2336904 901484 9.82 848244 2099768 200 02:50:01 4827004 7087584 681712 8.38 85904 2337340 939460 10.23 885720 2100368 288 Average: 5680364 7372038 424772 5.22 56287 1821566 677559 7.38 603872 1580845 244 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 00:50:01 ens3 16.58 7.60 67.61 1.92 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.51 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.65 0.24 3.16 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.52 0.13 0.15 0.09 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.37 0.21 0.08 0.52 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.42 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.36 0.12 0.15 0.09 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 80.65 60.23 789.64 12.35 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 16.89 15.31 479.49 1.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 40.83 40.41 1267.35 2.69 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 13.31 12.52 380.95 0.89 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 15.14 14.34 440.84 1.02 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 6.55 6.30 188.83 0.47 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.83 12.12 278.31 1.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10218) 05/02/26 _x86_64_ (2 CPU) 00:39:57 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.97 0.00 0.62 0.28 0.03 98.09 00:50:01 0 0.84 0.00 0.67 0.21 0.04 98.25 00:50:01 1 1.11 0.00 0.57 0.36 0.03 97.93 01:00:01 all 0.26 0.00 0.17 0.01 0.03 99.53 01:00:01 0 0.43 0.00 0.14 0.01 0.02 99.40 01:00:01 1 0.10 0.00 0.20 0.02 0.03 99.65 01:10:01 all 0.35 0.00 0.10 0.02 0.03 99.50 01:10:01 0 0.48 0.00 0.06 0.01 0.02 99.43 01:10:01 1 0.23 0.00 0.14 0.03 0.04 99.57 01:20:01 all 0.24 0.00 0.08 0.01 0.03 99.64 01:20:01 0 0.40 0.00 0.07 0.01 0.02 99.50 01:20:01 1 0.08 0.00 0.10 0.02 0.03 99.77 01:30:01 all 0.29 0.00 0.17 0.01 0.03 99.51 01:30:01 0 0.27 0.00 0.16 0.01 0.02 99.54 01:30:01 1 0.30 0.00 0.18 0.01 0.03 99.48 01:40:01 all 0.24 0.00 0.07 0.01 0.03 99.66 01:40:01 0 0.05 0.00 0.10 0.01 0.04 99.81 01:40:01 1 0.43 0.00 0.05 0.00 0.02 99.51 01:50:01 all 0.26 0.00 0.07 0.01 0.02 99.64 01:50:01 0 0.36 0.00 0.06 0.01 0.02 99.55 01:50:01 1 0.16 0.00 0.08 0.01 0.02 99.72 02:00:01 all 11.10 0.00 1.88 0.47 0.06 86.49 02:00:01 0 13.37 0.00 2.24 0.50 0.07 83.82 02:00:01 1 8.83 0.00 1.52 0.43 0.05 89.16 02:10:01 all 0.60 0.00 0.23 0.01 0.06 99.11 02:10:01 0 0.69 0.00 0.21 0.01 0.05 99.04 02:10:01 1 0.51 0.00 0.25 0.01 0.06 99.17 02:20:01 all 1.11 0.00 0.53 0.18 0.05 98.13 02:20:01 0 1.62 0.00 0.94 0.36 0.07 97.01 02:20:01 1 0.60 0.00 0.11 0.02 0.03 99.24 02:30:01 all 0.76 0.00 0.28 0.01 0.05 98.90 02:30:01 0 0.63 0.00 0.23 0.01 0.04 99.09 02:30:01 1 0.89 0.00 0.32 0.02 0.06 98.71 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.72 0.00 0.24 0.01 0.05 98.98 02:40:01 0 0.74 0.00 0.32 0.00 0.05 98.89 02:40:01 1 0.70 0.00 0.17 0.02 0.05 99.07 02:50:01 all 0.49 0.00 0.19 0.01 0.04 99.27 02:50:01 0 0.47 0.00 0.26 0.01 0.05 99.20 02:50:01 1 0.50 0.00 0.12 0.01 0.03 99.34 Average: all 1.34 0.00 0.36 0.08 0.04 98.19 Average: 0 1.56 0.00 0.42 0.09 0.04 97.89 Average: 1 1.11 0.00 0.29 0.07 0.04 98.49