---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31713 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 762 5198 4 2273 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:ac:46:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81169sec preferred_lft 81169sec inet6 fe80::f816:3eff:feac:4654/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31713) 06/30/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.28 0.02 1.25 0.00 1.23 15.39 0.12 01:00:01 1.42 0.01 1.39 0.03 0.05 17.61 446.01 01:10:02 1.94 0.26 1.66 0.02 31.97 75.94 0.92 01:20:24 1.37 0.00 1.37 0.00 0.01 16.01 0.00 01:30:01 1.55 0.00 1.54 0.02 0.00 18.76 679.37 01:40:14 1.74 0.39 1.36 0.00 15.08 46.77 0.00 01:50:45 22.02 2.48 17.36 2.17 201.68 3235.29 442.60 02:00:01 1.61 0.00 1.58 0.02 0.00 25.49 0.60 Average: 4.25 0.41 3.54 0.30 32.67 453.16 195.04 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 6289900 7537332 282896 3.48 30596 1422520 523212 5.70 446724 1183328 132 01:00:01 6287932 7535936 284352 3.50 30820 1422852 523412 5.70 446912 1183880 132 01:10:02 6240868 7516264 303604 3.73 31192 1449528 523420 5.70 456224 1201848 300 01:20:24 6240868 7516764 303100 3.73 31356 1449844 523444 5.70 456280 1202336 216 01:30:01 6247716 7524256 295484 3.63 31544 1450292 523508 5.70 456548 1202828 316 01:40:14 6236372 7527932 291656 3.59 31840 1464820 538192 5.86 480728 1216276 348 01:50:45 5170568 7372604 394468 4.85 86956 2275208 654988 7.13 620160 2037612 124 02:00:01 5119828 7323876 443040 5.45 87096 2277084 679360 7.40 636020 2039624 280 Average: 5979256 7481870 324825 3.99 45175 1651518 561192 6.11 499950 1408466 231 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.13 0.09 0.15 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.43 0.10 0.08 0.04 0.00 0.00 0.00 0.00 01:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.75 0.26 4.29 0.05 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.49 0.08 0.26 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:14 ens3 8.17 4.33 19.58 3.10 0.00 0.00 0.00 0.00 01:50:45 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:45 ens3 58.11 40.80 294.05 8.55 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 14.24 13.05 115.79 1.19 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 10.74 7.52 55.29 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31713) 06/30/26 _x86_64_ (2 CPU) 00:35:57 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.28 0.00 0.08 0.01 0.05 99.58 00:50:14 0 0.15 0.00 0.09 0.01 0.03 99.73 00:50:14 1 0.42 0.00 0.06 0.01 0.08 99.43 01:00:01 all 0.30 0.00 0.16 0.01 0.06 99.48 01:00:01 0 0.44 0.00 0.15 0.01 0.06 99.34 01:00:01 1 0.15 0.00 0.17 0.01 0.05 99.61 01:10:02 all 0.36 0.00 0.10 0.02 0.03 99.50 01:10:02 0 0.29 0.00 0.09 0.02 0.03 99.58 01:10:02 1 0.42 0.00 0.11 0.03 0.03 99.41 01:20:24 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:24 0 0.05 0.00 0.10 0.02 0.03 99.81 01:20:24 1 0.47 0.00 0.05 0.00 0.02 99.46 01:30:01 all 0.24 0.00 0.17 0.01 0.02 99.56 01:30:01 0 0.17 0.00 0.18 0.02 0.02 99.61 01:30:01 1 0.31 0.00 0.15 0.00 0.02 99.51 01:40:14 all 0.50 0.00 0.09 0.01 0.02 99.38 01:40:14 0 0.44 0.00 0.07 0.00 0.02 99.46 01:40:14 1 0.55 0.00 0.11 0.02 0.02 99.30 01:50:45 all 11.24 0.00 1.66 0.50 0.06 86.54 01:50:45 0 14.37 0.00 1.84 0.58 0.06 83.15 01:50:45 1 8.10 0.00 1.47 0.42 0.06 89.94 02:00:01 all 0.90 0.00 0.31 0.01 0.10 98.68 02:00:01 0 1.09 0.00 0.36 0.01 0.16 98.38 02:00:01 1 0.72 0.00 0.26 0.01 0.05 98.97 Average: all 1.83 0.00 0.34 0.08 0.04 97.72 Average: 0 2.21 0.00 0.37 0.09 0.05 97.29 Average: 1 1.44 0.00 0.31 0.07 0.04 98.15