---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36557 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 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 778 5110 4 2346 7163 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:2e:b9:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82755sec preferred_lft 82755sec inet6 fe80::f816:3eff:fe2e:b947/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36557) 07/17/26 _x86_64_ (2 CPU) 01:47:28 LINUX RESTART (2 CPU) 01:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 12.19 1.24 9.59 1.35 109.76 1212.75 637.52 02:10:01 1.76 0.26 1.49 0.01 31.31 104.81 0.42 02:20:07 1.34 0.01 1.32 0.01 1.26 37.21 0.05 02:30:07 15.13 0.02 1.62 13.49 0.75 25.44 106370.70 02:40:01 1.28 0.00 1.28 0.00 0.00 21.82 0.00 Average: 6.35 0.31 3.06 2.98 28.62 280.81 21445.06 01:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 5215904 7407932 358896 4.41 86396 2265536 671704 7.32 588416 2037236 432 02:10:01 5133440 7360888 405432 4.99 86696 2300552 886948 9.66 617860 2063780 388 02:20:07 5140076 7374480 391904 4.82 86856 2307276 663828 7.23 613744 2070356 204 02:30:07 5128604 7365380 400780 4.93 87008 2309432 680380 7.41 613912 2072512 248 02:40:01 5131680 7370948 395216 4.86 87144 2311748 680392 7.41 614232 2074844 240 Average: 5149941 7375926 390446 4.80 86820 2298909 716650 7.81 609633 2063746 302 01:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:07 ens3 89.91 74.77 50.12 12.23 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 12.75 12.55 5.37 0.96 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 12.08 11.73 7.70 0.98 0.00 0.00 0.00 0.00 02:30:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 13.53 13.25 2.52 1.00 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 13.67 13.38 2.52 1.08 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 28.42 25.16 13.67 3.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36557) 07/17/26 _x86_64_ (2 CPU) 01:47:28 LINUX RESTART (2 CPU) 01:50:07 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 7.89 0.00 1.33 0.50 0.05 90.23 02:00:07 0 10.36 0.00 1.47 0.57 0.05 87.55 02:00:07 1 5.42 0.00 1.19 0.44 0.05 92.91 02:10:01 all 3.36 0.00 0.48 0.07 0.05 96.03 02:10:01 0 2.93 0.00 0.48 0.04 0.05 96.51 02:10:01 1 3.79 0.00 0.49 0.10 0.06 95.56 02:20:07 all 3.11 0.00 0.42 0.05 0.05 96.37 02:20:07 0 2.59 0.00 0.39 0.01 0.05 96.96 02:20:07 1 3.64 0.00 0.45 0.08 0.05 95.77 02:30:07 all 1.52 0.00 0.35 0.30 0.04 97.78 02:30:07 0 2.06 0.00 0.42 0.13 0.05 97.34 02:30:07 1 0.99 0.00 0.29 0.48 0.04 98.21 02:40:01 all 1.60 0.00 0.25 0.04 0.04 98.06 02:40:01 0 1.53 0.00 0.24 0.00 0.04 98.19 02:40:01 1 1.68 0.00 0.26 0.08 0.05 97.93 Average: all 3.50 0.00 0.57 0.19 0.05 95.69 Average: 0 3.90 0.00 0.60 0.15 0.05 95.30 Average: 1 3.11 0.00 0.54 0.24 0.05 96.07