---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2413 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 8.0G 30G 21% / 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 836 5069 4 2333 7105 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:f1:4e:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80161sec preferred_lft 80161sec inet6 fe80::f816:3eff:fef1:4e2e/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-2413) 04/13/26 _x86_64_ (2 CPU) 01:48:44 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 1.63 0.02 1.59 0.02 1.24 19.75 872.13 02:10:08 16.31 13.87 2.37 0.07 191.24 103.47 38.24 02:20:08 14.03 0.01 1.43 12.60 0.16 16.64 109122.23 02:30:08 1.61 0.00 1.60 0.01 0.00 19.43 0.31 02:40:08 1.41 0.00 1.41 0.00 0.00 16.27 0.00 02:50:08 1.86 0.40 1.46 0.00 15.79 48.29 0.00 03:00:08 21.98 2.63 17.10 2.25 212.01 3132.75 567.91 03:10:08 1.43 0.00 1.42 0.01 0.00 41.25 0.05 03:20:08 1.54 0.00 1.53 0.01 0.35 46.17 0.05 03:30:08 1.78 0.00 1.76 0.02 0.00 71.44 0.23 Average: 6.36 1.69 3.17 1.50 42.08 351.55 11060.10 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6274688 7525468 294784 3.62 30628 1425964 531796 5.79 450928 1187100 200 02:10:08 6158420 7494968 315644 3.88 35012 1498632 531796 5.79 463016 1252168 124 02:20:08 6174624 7511728 298828 3.67 35184 1499008 531896 5.79 463196 1252680 264 02:30:08 6172488 7510132 300412 3.69 35372 1499348 531896 5.79 463224 1253208 204 02:40:08 6178548 7516700 293812 3.61 35540 1499680 531960 5.79 463520 1253708 208 02:50:08 6144732 7499720 310552 3.82 35844 1515996 575108 6.26 498408 1268692 1768 03:00:08 5180380 7356532 405904 4.99 88852 2243284 672300 7.32 628960 2004948 180 03:10:08 5176744 7360072 402200 4.95 88992 2250336 736904 8.03 636120 2012128 312 03:20:08 5171724 7363796 398584 4.90 89144 2258940 682344 7.43 632440 2020768 408 03:30:08 5150468 7358212 404036 4.97 89264 2274420 685744 7.47 635572 2036252 932 Average: 5778282 7449733 342476 4.21 56383 1796561 601174 6.55 533538 1554165 460 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.47 0.05 0.19 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.72 0.25 3.11 0.05 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.42 0.08 0.12 0.06 0.00 0.00 0.00 0.00 02:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 12.05 6.94 26.74 3.20 0.00 0.00 0.00 0.00 03:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 66.56 47.19 277.29 9.58 0.00 0.00 0.00 0.00 03:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:08 ens3 24.55 21.55 4.42 2.57 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 22.71 22.07 4.50 3.14 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 29.15 28.18 5.64 3.94 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 15.81 12.64 32.21 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2413) 04/13/26 _x86_64_ (2 CPU) 01:48:44 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.28 0.00 0.18 0.01 0.03 99.50 02:00:08 0 0.20 0.00 0.18 0.01 0.04 99.56 02:00:08 1 0.35 0.00 0.18 0.01 0.03 99.43 02:10:08 all 0.37 0.17 0.18 0.17 0.04 99.07 02:10:08 0 0.52 0.00 0.10 0.02 0.03 99.33 02:10:08 1 0.23 0.34 0.26 0.32 0.04 98.80 02:20:08 all 0.24 0.00 0.09 0.03 0.03 99.60 02:20:08 0 0.32 0.00 0.06 0.01 0.02 99.58 02:20:08 1 0.16 0.00 0.11 0.06 0.04 99.62 02:30:08 all 0.29 0.00 0.17 0.72 0.03 98.78 02:30:08 0 0.27 0.00 0.16 0.01 0.03 99.54 02:30:08 1 0.31 0.00 0.19 1.44 0.03 98.03 02:40:08 all 0.26 0.00 0.07 0.01 0.03 99.63 02:40:08 0 0.12 0.00 0.08 0.01 0.04 99.76 02:40:08 1 0.41 0.00 0.06 0.01 0.03 99.49 02:50:08 all 0.52 0.00 0.12 0.02 0.03 99.31 02:50:08 0 0.74 0.00 0.08 0.01 0.02 99.15 02:50:08 1 0.31 0.00 0.16 0.02 0.03 99.47 03:00:08 all 12.85 0.00 1.86 0.51 0.07 84.72 03:00:08 0 15.65 0.00 2.00 0.55 0.08 81.72 03:00:08 1 10.06 0.00 1.72 0.47 0.06 87.70 03:10:08 all 3.55 0.00 0.29 0.01 0.07 96.07 03:10:08 0 3.12 0.00 0.26 0.01 0.07 96.55 03:10:08 1 3.99 0.00 0.33 0.01 0.07 95.60 03:20:08 all 3.88 0.00 0.36 0.01 0.07 95.68 03:20:08 0 3.88 0.00 0.38 0.00 0.08 95.66 03:20:08 1 3.88 0.00 0.34 0.02 0.07 95.70 03:30:08 all 4.90 0.00 0.45 0.01 0.07 94.58 03:30:08 0 6.50 0.00 0.53 0.01 0.07 92.89 03:30:08 1 3.30 0.00 0.37 0.01 0.06 96.26 Average: all 2.71 0.02 0.38 0.15 0.05 96.70 Average: 0 3.12 0.00 0.38 0.06 0.05 96.39 Average: 1 2.29 0.03 0.37 0.24 0.05 97.02