---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3184 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 805 5122 4 2304 7136 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:05:c8 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 83451sec preferred_lft 83451sec inet6 fe80::f816:3eff:fe2e:5c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3184) 04/16/26 _x86_64_ (2 CPU) 02:57:27 LINUX RESTART (2 CPU) 03:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:12 11.02 1.28 8.46 1.27 111.20 1165.41 472.92 03:20:12 1.35 0.01 1.34 0.00 0.07 110.07 0.24 03:30:12 2.09 0.33 1.73 0.03 40.29 127.38 0.51 03:40:12 14.86 0.00 1.41 13.44 0.15 29.75 106489.04 Average: 7.33 0.40 3.24 3.69 37.93 358.25 26755.70 03:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:12 5302336 7395196 376824 4.63 83920 2173672 678468 7.39 596880 1943172 828 03:20:12 5242064 7363532 408060 5.02 84072 2202076 709300 7.73 627136 1971684 812 03:30:12 5185388 7351072 419604 5.16 84360 2245360 684480 7.46 638856 2003932 168 03:40:12 5179496 7349460 421160 5.18 84508 2249448 684620 7.46 639036 2008132 204 Average: 5227321 7364815 406412 5.00 84215 2217639 689217 7.51 625477 1981730 503 03:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:12 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:10:12 ens3 88.20 70.98 55.43 12.26 0.00 0.00 0.00 0.00 03:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:12 ens3 13.12 13.34 12.96 1.11 0.00 0.00 0.00 0.00 03:30:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 12.85 12.51 11.59 1.13 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 24.60 24.33 5.70 1.71 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 34.70 30.30 21.43 4.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3184) 04/16/26 _x86_64_ (2 CPU) 02:57:27 LINUX RESTART (2 CPU) 03:00:12 CPU %user %nice %system %iowait %steal %idle 03:10:12 all 8.16 0.00 1.36 0.27 0.07 90.13 03:10:12 0 10.39 0.00 1.56 0.30 0.08 87.67 03:10:12 1 5.95 0.00 1.17 0.24 0.07 92.59 03:20:12 all 4.12 0.00 0.57 0.01 0.08 95.22 03:20:12 0 2.92 0.00 0.42 0.02 0.08 96.56 03:20:12 1 5.32 0.00 0.71 0.01 0.09 93.88 03:30:12 all 3.33 0.00 0.58 0.03 0.08 95.98 03:30:12 0 2.90 0.00 0.50 0.04 0.08 96.49 03:30:12 1 3.76 0.00 0.67 0.02 0.08 95.47 03:40:12 all 1.56 0.00 0.37 0.04 0.07 97.96 03:40:12 0 1.99 0.00 0.46 0.01 0.07 97.48 03:40:12 1 1.14 0.00 0.29 0.07 0.07 98.44 Average: all 4.29 0.00 0.72 0.09 0.08 94.82 Average: 0 4.55 0.00 0.73 0.09 0.08 94.55 Average: 1 4.04 0.00 0.71 0.08 0.07 95.10