---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19199 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: 5600.00 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 7.9G 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 785 5180 4 2267 7156 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:a7:2f:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81906sec preferred_lft 81906sec inet6 fe80::f816:3eff:fea7:2fe4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19199) 05/23/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.30 0.02 1.28 0.00 1.24 15.15 0.12 02:20:13 1.29 0.01 1.28 0.00 0.07 15.16 0.12 02:30:01 1.36 0.00 1.35 0.01 0.00 15.99 445.33 02:40:13 1.99 0.25 1.73 0.01 31.37 74.38 0.22 02:50:27 13.72 0.00 1.47 12.25 0.14 16.57 106599.38 03:00:01 1.59 0.00 1.58 0.01 0.00 18.51 455.71 03:10:13 24.49 2.96 19.28 2.25 224.06 3376.58 491.87 Average: 6.63 0.47 4.04 2.12 37.33 513.10 15740.40 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6282864 7534208 285828 3.51 30632 1426524 527884 5.75 447336 1187296 204 02:20:13 6282112 7534000 286060 3.52 30840 1426856 528092 5.75 447408 1187836 168 02:30:01 6271352 7523708 296236 3.64 31000 1427184 528092 5.75 447500 1188292 160 02:40:13 6222860 7502380 317144 3.90 31352 1453596 528168 5.75 456896 1206012 164 02:50:27 6230452 7510532 308900 3.80 31524 1453972 528232 5.75 457236 1206532 164 03:00:01 6234248 7514996 304384 3.74 31708 1454428 555692 6.05 461980 1207044 164 03:10:13 5164008 7364792 402420 4.95 86516 2275116 675664 7.36 627092 2036880 240 Average: 6098271 7497802 314425 3.87 39082 1559668 553118 6.02 477921 1317127 181 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.13 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.43 0.04 0.06 0.01 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 0.83 0.05 1.78 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 0.70 0.27 3.30 0.07 0.00 0.00 0.00 0.00 02:50:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:27 ens3 0.32 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.53 0.32 0.17 0.67 0.00 0.00 0.00 0.00 03:10:13 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 03:10:13 ens3 69.16 47.32 310.65 11.64 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.61 6.99 45.94 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19199) 05/23/26 _x86_64_ (2 CPU) 01:56:56 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.24 0.00 0.07 0.01 0.03 99.64 02:10:03 0 0.30 0.00 0.07 0.00 0.03 99.61 02:10:03 1 0.19 0.00 0.08 0.02 0.03 99.68 02:20:13 all 0.28 0.00 0.08 0.08 0.02 99.54 02:20:13 0 0.11 0.00 0.09 0.04 0.03 99.73 02:20:13 1 0.45 0.00 0.06 0.12 0.02 99.34 02:30:01 all 0.29 0.00 0.15 0.01 0.03 99.53 02:30:01 0 0.50 0.00 0.14 0.00 0.02 99.34 02:30:01 1 0.07 0.00 0.16 0.01 0.04 99.71 02:40:13 all 0.37 0.00 0.10 0.04 0.03 99.46 02:40:13 0 0.33 0.00 0.08 0.02 0.02 99.55 02:40:13 1 0.41 0.00 0.12 0.06 0.03 99.38 02:50:27 all 0.27 0.00 0.08 0.04 0.03 99.58 02:50:27 0 0.33 0.00 0.08 0.06 0.03 99.50 02:50:27 1 0.21 0.00 0.08 0.02 0.03 99.65 03:00:01 all 0.30 0.00 0.16 0.01 0.02 99.50 03:00:01 0 0.32 0.00 0.16 0.02 0.02 99.48 03:00:01 1 0.28 0.00 0.17 0.01 0.03 99.52 03:10:13 all 13.80 0.00 1.93 0.54 0.06 83.67 03:10:13 0 15.39 0.00 2.04 0.66 0.06 81.84 03:10:13 1 12.21 0.00 1.82 0.42 0.06 85.50 Average: all 2.25 0.00 0.37 0.11 0.03 97.24 Average: 0 2.50 0.00 0.38 0.12 0.03 96.97 Average: 1 2.00 0.00 0.36 0.10 0.03 97.51