---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53961 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 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 758 5288 4 2184 7183 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:f8:e5:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80969sec preferred_lft 80969sec inet6 fe80::f816:3eff:fef8:e5b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53961) 03/29/26 _x86_64_ (2 CPU) 00:58:14 LINUX RESTART (2 CPU) 01:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:00 1.82 0.35 1.45 0.02 41.38 72.22 0.85 01:20:00 1.31 0.01 1.29 0.02 0.07 15.50 1.20 01:30:00 1.55 0.00 1.53 0.03 0.00 18.76 654.74 01:40:00 1.31 0.00 1.29 0.02 0.00 15.36 1.20 01:50:00 1.36 0.00 1.34 0.02 0.00 15.93 1.21 02:00:00 1.61 0.00 1.58 0.03 0.00 19.21 436.47 02:10:00 21.79 3.03 16.53 2.23 227.95 3067.06 1113.88 02:20:12 15.09 0.01 1.87 13.21 0.71 91.91 104744.04 Average: 5.75 0.42 3.36 1.97 33.66 413.46 13596.79 01:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:00 6244248 7523232 296428 3.64 30816 1453672 529188 5.76 453068 1203896 124 01:20:00 6243744 7523300 296352 3.64 31044 1454004 529260 5.76 453388 1204456 164 01:30:00 6249952 7530096 289556 3.56 31276 1454328 529672 5.77 453492 1205012 120 01:40:00 6249952 7530640 289040 3.55 31492 1454652 529816 5.77 453732 1205552 180 01:50:00 6249700 7530944 288728 3.55 31704 1454988 529824 5.77 453824 1206100 124 02:00:00 6248200 7530104 289512 3.56 31908 1455440 530016 5.77 454228 1206620 136 02:10:00 5340388 7452256 319132 3.92 85260 2190868 564364 6.15 554300 1949852 18388 02:20:12 5227288 7341652 429848 5.29 85432 2193280 658032 7.17 613716 1952408 224 Average: 6006684 7495278 312324 3.84 44866 1638904 550022 5.99 486218 1391737 2432 01:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.86 0.21 3.16 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.72 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.49 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.52 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.40 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:00 ens3 0.42 0.25 0.09 0.60 0.00 0.00 0.00 0.00 02:10:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:10:00 ens3 56.43 40.11 297.37 10.74 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 13.02 8.87 36.74 1.29 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 9.24 6.22 42.19 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53961) 03/29/26 _x86_64_ (2 CPU) 00:58:14 LINUX RESTART (2 CPU) 01:00:01 CPU %user %nice %system %iowait %steal %idle 01:10:00 all 0.38 0.00 0.11 0.02 0.03 99.46 01:10:00 0 0.15 0.00 0.12 0.02 0.04 99.67 01:10:00 1 0.61 0.00 0.09 0.03 0.03 99.25 01:20:00 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:00 0 0.27 0.00 0.09 0.01 0.03 99.61 01:20:00 1 0.23 0.00 0.06 0.01 0.03 99.67 01:30:00 all 0.28 0.00 0.18 0.01 0.03 99.50 01:30:00 0 0.50 0.00 0.18 0.02 0.02 99.29 01:30:00 1 0.06 0.00 0.18 0.01 0.03 99.71 01:40:00 all 0.24 0.00 0.07 0.01 0.03 99.65 01:40:00 0 0.43 0.00 0.05 0.01 0.02 99.48 01:40:00 1 0.06 0.00 0.09 0.01 0.04 99.81 01:50:00 all 0.26 0.00 0.07 0.01 0.03 99.63 01:50:00 0 0.45 0.00 0.04 0.01 0.02 99.48 01:50:00 1 0.06 0.00 0.10 0.02 0.04 99.78 02:00:00 all 0.28 0.00 0.17 0.02 0.02 99.52 02:00:00 0 0.37 0.00 0.16 0.04 0.02 99.42 02:00:00 1 0.18 0.00 0.18 0.01 0.02 99.61 02:10:00 all 10.80 0.00 1.65 0.50 0.04 87.01 02:10:00 0 10.20 0.00 1.59 0.53 0.04 87.64 02:10:00 1 11.40 0.00 1.71 0.48 0.04 86.38 02:20:12 all 1.00 0.00 0.22 0.03 0.04 98.70 02:20:12 0 1.00 0.00 0.20 0.06 0.03 98.71 02:20:12 1 1.01 0.00 0.24 0.00 0.05 98.70 Average: all 1.68 0.00 0.32 0.08 0.03 97.89 Average: 0 1.67 0.00 0.30 0.09 0.03 97.92 Average: 1 1.70 0.00 0.33 0.07 0.03 97.87