---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34104 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: 5599.94 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 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 773 5093 4 2367 7168 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:31:49:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81016sec preferred_lft 81016sec inet6 fe80::f816:3eff:fe31:49df/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-34104) 07/09/26 _x86_64_ (2 CPU) 00:37:51 LINUX RESTART (2 CPU) 00:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.42 0.03 1.38 0.01 1.29 16.56 0.63 01:00:27 1.62 0.01 1.59 0.03 0.05 18.96 419.31 01:10:17 1.40 0.00 1.38 0.02 0.00 16.15 1.11 01:20:01 1.91 0.27 1.61 0.03 32.92 77.69 1.47 01:30:07 14.09 0.00 1.64 12.45 0.15 19.68 108459.72 01:40:07 1.84 0.40 1.43 0.02 15.81 48.06 1.20 01:50:01 24.48 2.64 19.54 2.30 216.94 3494.91 588.59 02:00:07 1.65 0.00 1.63 0.02 0.00 66.07 0.37 Average: 6.06 0.41 3.76 1.88 33.13 466.93 13881.19 00:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6288052 7539032 281412 3.46 30612 1425988 530400 5.78 440424 1187404 156 01:00:27 6291476 7543024 277392 3.41 30840 1426320 530424 5.78 440728 1187964 168 01:10:17 6291476 7543572 276808 3.40 31060 1426644 532128 5.80 442228 1188508 156 01:20:01 6248040 7527668 292244 3.59 31440 1453424 530552 5.78 450588 1206592 156 01:30:07 6247892 7528140 291712 3.59 31664 1453808 530696 5.78 450440 1207164 208 01:40:07 6224572 7520012 299472 3.68 31984 1468608 547500 5.96 480288 1220636 212 01:50:01 5189620 7407712 359140 4.42 87936 2290192 641220 6.98 599784 2053812 384 02:00:07 5172500 7405936 360732 4.44 88088 2305396 642928 7.00 601644 2069144 1660 Average: 5994204 7501887 304864 3.75 45453 1656298 560731 6.11 488266 1415153 388 00:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.36 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:27 ens3 0.78 0.05 7.99 0.03 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.32 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.01 0.49 3.37 0.09 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.28 0.04 0.06 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 10.87 5.37 20.10 3.24 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 72.16 54.44 307.45 10.31 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 48.14 42.98 10.48 5.77 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.89 12.97 43.53 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34104) 07/09/26 _x86_64_ (2 CPU) 00:37:51 LINUX RESTART (2 CPU) 00:40:27 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.23 0.00 0.09 0.01 0.03 99.64 00:50:01 0 0.38 0.00 0.07 0.01 0.02 99.52 00:50:01 1 0.08 0.00 0.11 0.01 0.04 99.76 01:00:27 all 0.30 0.00 0.16 0.02 0.03 99.50 01:00:27 0 0.48 0.00 0.12 0.03 0.03 99.34 01:00:27 1 0.11 0.00 0.19 0.01 0.04 99.65 01:10:17 all 0.25 0.00 0.09 0.01 0.03 99.62 01:10:17 0 0.42 0.00 0.06 0.01 0.02 99.48 01:10:17 1 0.08 0.00 0.11 0.01 0.04 99.76 01:20:01 all 0.43 0.00 0.11 0.02 0.03 99.40 01:20:01 0 0.65 0.00 0.09 0.03 0.03 99.20 01:20:01 1 0.21 0.00 0.14 0.02 0.04 99.60 01:30:07 all 0.27 0.00 0.18 0.03 0.03 99.48 01:30:07 0 0.28 0.00 0.17 0.05 0.03 99.47 01:30:07 1 0.26 0.00 0.19 0.01 0.04 99.50 01:40:07 all 0.50 0.00 0.11 0.02 0.03 99.35 01:40:07 0 0.32 0.00 0.12 0.01 0.04 99.52 01:40:07 1 0.69 0.00 0.10 0.03 0.02 99.17 01:50:01 all 14.55 0.00 1.84 0.59 0.07 82.95 01:50:01 0 16.17 0.00 1.94 0.60 0.06 81.23 01:50:01 1 12.92 0.00 1.75 0.58 0.07 84.68 02:00:07 all 6.15 0.00 0.61 0.01 0.07 93.17 02:00:07 0 5.58 0.00 0.55 0.01 0.07 93.78 02:00:07 1 6.71 0.00 0.66 0.01 0.08 92.54 Average: all 2.82 0.00 0.40 0.09 0.04 96.65 Average: 0 3.02 0.00 0.39 0.09 0.04 96.46 Average: 1 2.62 0.00 0.40 0.08 0.05 96.85