---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33028 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 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 756 5130 4 2348 7185 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:9a:63:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82090sec preferred_lft 82090sec inet6 fe80::f816:3eff:fe9a:631c/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-33028) 07/05/26 _x86_64_ (2 CPU) 00:17:03 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:07 15.68 1.79 12.59 1.30 118.50 2357.77 457.17 00:40:47 10.07 1.56 7.56 0.94 137.11 1076.80 235.77 00:50:01 1.23 0.00 1.23 0.00 0.00 20.32 0.06 01:00:27 14.50 0.00 1.57 12.93 0.14 129.65 101982.43 01:10:47 1.40 0.00 1.40 0.00 0.00 33.85 383.18 01:20:01 1.34 0.00 1.33 0.01 0.01 22.99 0.12 Average: 7.59 0.58 4.37 2.64 44.35 623.40 17936.70 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:07 5415108 7361428 419744 5.16 71420 2046860 681608 7.42 620620 1832268 54956 00:40:47 5148344 7348948 418444 5.15 86604 2274408 655468 7.14 613388 2036732 200 00:50:01 5161116 7364024 403308 4.96 86740 2276564 649168 7.07 598168 2039028 776 01:00:27 5118756 7357024 409924 5.04 86916 2311420 680904 7.42 629756 2074032 848 01:10:47 5135432 7379396 387456 4.76 87056 2316908 657468 7.16 606516 2079644 700 01:20:01 5095256 7341196 425616 5.23 87156 2318752 690440 7.52 640088 2081468 284 Average: 5179002 7358669 410749 5.05 84315 2257485 669176 7.29 618089 2023862 9627 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:07 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 00:30:07 ens3 43.19 24.57 275.21 6.53 0.00 0.00 0.00 0.00 00:40:47 lo 1.16 1.16 0.06 0.06 0.00 0.00 0.00 0.00 00:40:47 ens3 45.79 37.03 249.52 6.47 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 10.99 10.18 61.88 1.31 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 6.86 5.75 48.06 0.76 0.00 0.00 0.00 0.00 01:10:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:47 ens3 16.76 15.70 137.42 1.85 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 19.47 18.99 241.97 1.58 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 24.18 18.91 169.46 3.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33028) 07/05/26 _x86_64_ (2 CPU) 00:17:03 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:07 all 7.10 0.00 1.06 0.39 0.05 91.40 00:30:07 0 6.09 0.00 0.98 0.33 0.05 92.54 00:30:07 1 8.11 0.00 1.13 0.45 0.04 90.26 00:40:47 all 5.22 0.00 0.94 0.17 0.08 93.60 00:40:47 0 4.50 0.00 0.91 0.10 0.09 94.40 00:40:47 1 5.95 0.00 0.97 0.23 0.06 92.79 00:50:01 all 1.39 0.00 0.22 0.01 0.09 98.30 00:50:01 0 1.95 0.00 0.30 0.01 0.11 97.63 00:50:01 1 0.83 0.00 0.14 0.01 0.06 98.96 01:00:27 all 6.60 0.00 0.68 0.03 0.08 92.61 01:00:27 0 8.64 0.00 0.80 0.04 0.08 90.45 01:00:27 1 4.60 0.00 0.56 0.02 0.08 94.73 01:10:47 all 1.87 0.00 0.28 0.01 0.08 97.76 01:10:47 0 1.82 0.00 0.39 0.02 0.09 97.69 01:10:47 1 1.92 0.00 0.18 0.01 0.07 97.82 01:20:01 all 0.92 0.00 0.26 0.01 0.08 98.72 01:20:01 0 1.12 0.00 0.41 0.01 0.11 98.35 01:20:01 1 0.72 0.00 0.12 0.01 0.05 99.10 Average: all 3.94 0.00 0.58 0.11 0.08 95.30 Average: 0 4.08 0.00 0.64 0.09 0.09 95.10 Average: 1 3.79 0.00 0.53 0.13 0.06 95.49