---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1912 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 762 4969 4 2502 7179 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:23:29:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79112sec preferred_lft 79112sec inet6 fe80::f816:3eff:fe23:2929/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1912) 04/11/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 1.64 0.02 1.60 0.01 1.22 18.98 427.95 02:10:13 1.45 0.01 1.43 0.01 0.05 16.68 0.84 02:20:01 1.33 0.00 1.31 0.02 0.01 15.67 1.22 02:30:15 1.55 0.00 1.52 0.02 0.00 18.34 426.99 02:40:13 1.94 0.34 1.56 0.03 41.35 73.46 1.45 02:50:00 1.74 0.41 1.31 0.02 17.25 48.10 1.16 03:00:16 21.42 2.54 16.69 2.18 205.37 3022.00 904.30 03:10:17 1.39 0.00 1.39 0.00 0.00 16.82 0.00 03:20:13 1.32 0.00 1.32 0.01 0.00 111.22 1.02 03:30:18 15.13 0.00 1.75 13.38 0.15 343.51 105804.99 03:40:18 1.38 0.00 1.38 0.00 0.00 92.81 0.00 Average: 4.62 0.31 2.88 1.44 24.51 349.96 9837.33 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6284788 7531668 288536 3.55 30564 1422212 535000 5.83 451668 1183072 168 02:10:13 6284788 7532200 288004 3.54 30760 1422544 535056 5.83 451792 1183600 120 02:20:01 6292348 7540292 279900 3.44 30964 1422864 535204 5.83 451848 1184124 124 02:30:15 6283060 7531560 288604 3.55 31176 1423196 535204 5.83 452124 1184668 172 02:40:13 6228004 7505992 313468 3.85 31568 1451892 733800 7.99 469740 1202132 176 02:50:00 6220912 7514488 304888 3.75 31912 1466956 555520 6.05 492904 1215592 136 03:00:16 5092944 7203564 567912 6.98 85216 2189760 812084 8.85 774664 1948092 176 03:10:17 5144136 7255276 516192 6.35 85308 2190188 737732 8.04 700440 1948612 184 03:20:13 5167552 7307636 463840 5.70 85436 2218996 735956 8.02 682552 1977548 188 03:30:18 4904836 7153356 616348 7.58 85644 2325816 893728 9.73 840064 2084548 8732 03:40:18 4844420 7108156 661304 8.13 85772 2340700 907120 9.88 854092 2099432 136 Average: 5704344 7380381 417181 5.13 55847 1806829 683309 7.44 601990 1564675 937 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 1.42 0.07 0.19 0.03 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.45 0.03 0.05 0.01 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 0.25 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:40:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.61 0.25 3.16 0.07 0.00 0.00 0.00 0.00 02:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 8.29 5.12 20.45 3.14 0.00 0.00 0.00 0.00 03:00:16 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:16 ens3 79.63 61.00 674.27 9.90 0.00 0.00 0.00 0.00 03:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:17 ens3 34.74 32.51 534.50 2.14 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 68.27 64.55 1073.32 4.25 0.00 0.00 0.00 0.00 03:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:18 ens3 28.33 25.86 411.03 1.76 0.00 0.00 0.00 0.00 03:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:18 ens3 23.54 21.40 349.02 1.48 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 22.45 19.24 279.33 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1912) 04/11/26 _x86_64_ (2 CPU) 01:48:27 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.26 0.00 0.17 0.01 0.04 99.52 02:00:12 0 0.28 0.00 0.17 0.01 0.04 99.50 02:00:12 1 0.24 0.00 0.16 0.01 0.04 99.55 02:10:13 all 0.27 0.00 0.08 0.01 0.03 99.61 02:10:13 0 0.09 0.00 0.10 0.01 0.04 99.76 02:10:13 1 0.44 0.00 0.06 0.01 0.02 99.46 02:20:01 all 0.22 0.00 0.09 0.45 0.03 99.22 02:20:01 0 0.06 0.00 0.09 0.90 0.03 98.92 02:20:01 1 0.38 0.00 0.08 0.00 0.03 99.51 02:30:15 all 0.28 0.00 0.16 0.02 0.02 99.52 02:30:15 0 0.23 0.00 0.17 0.03 0.02 99.54 02:30:15 1 0.32 0.00 0.15 0.00 0.02 99.50 02:40:13 all 0.40 0.00 0.12 0.03 0.02 99.42 02:40:13 0 0.54 0.00 0.10 0.05 0.02 99.30 02:40:13 1 0.27 0.00 0.14 0.02 0.03 99.54 02:50:00 all 0.54 0.00 0.09 0.01 0.02 99.33 02:50:00 0 0.34 0.00 0.12 0.01 0.03 99.50 02:50:00 1 0.74 0.00 0.06 0.01 0.02 99.16 03:00:16 all 10.72 0.00 1.81 0.49 0.06 86.92 03:00:16 0 10.07 0.00 1.61 0.45 0.05 87.82 03:00:16 1 11.37 0.00 2.00 0.52 0.08 86.03 03:10:17 all 0.59 0.00 0.28 0.01 0.05 99.07 03:10:17 0 0.57 0.00 0.27 0.00 0.05 99.11 03:10:17 1 0.62 0.00 0.29 0.01 0.05 99.03 03:20:13 all 1.08 0.00 0.49 0.01 0.06 98.36 03:20:13 0 1.27 0.00 0.73 0.02 0.07 97.91 03:20:13 1 0.89 0.00 0.26 0.01 0.04 98.81 03:30:18 all 0.81 0.00 0.32 0.04 0.06 98.77 03:30:18 0 0.89 0.00 0.36 0.06 0.07 98.63 03:30:18 1 0.74 0.00 0.28 0.01 0.05 98.92 03:40:18 all 0.60 0.00 0.23 0.01 0.06 99.10 03:40:18 0 0.57 0.00 0.18 0.01 0.05 99.20 03:40:18 1 0.64 0.00 0.29 0.01 0.06 99.00 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.45 0.00 0.35 0.10 0.04 98.05 Average: 0 1.38 0.00 0.36 0.14 0.04 98.08 Average: 1 1.53 0.00 0.35 0.06 0.04 98.02