---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34158 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 774 5108 4 2359 7167 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:40:82:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 7164sec preferred_lft 7164sec inet6 fe80::f816:3eff:fe40:820c/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-34158) 07/10/26 _x86_64_ (2 CPU) 00:00:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.73 0.02 1.69 0.02 0.87 21.10 0.38 00:20:38 1.71 0.10 1.58 0.03 2.87 22.65 498.51 00:30:10 1.73 0.00 1.71 0.02 0.00 19.52 0.27 00:40:01 25.57 2.88 20.35 2.34 226.51 3517.08 946.13 00:50:20 1.65 0.01 1.63 0.02 0.56 34.60 1.07 Average: 6.44 0.60 5.36 0.48 45.82 717.29 294.58 00:00:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6114056 7510784 298144 3.67 54464 1538424 550544 6.00 478548 1310100 240 00:20:38 6117676 7476036 332816 4.09 54596 1499860 548324 5.97 477180 1271444 152 00:30:10 6120680 7479640 329212 4.05 54720 1500316 548464 5.97 477340 1271904 204 00:40:01 5151916 7434368 322360 3.96 105356 2328608 574288 6.26 559132 2105712 2368 00:50:20 5043184 7328092 428708 5.27 105496 2331004 665604 7.25 615652 2108248 260 Average: 5709502 7445784 342248 4.21 74926 1839642 577445 6.29 521570 1613482 645 00:00:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.16 0.06 0.06 0.04 0.00 0.00 0.00 0.00 00:20:38 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:20:38 ens3 0.12 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.47 0.13 0.16 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 62.42 45.42 324.65 11.87 0.00 0.00 0.00 0.00 00:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:20 ens3 12.81 8.85 36.76 1.51 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.18 10.89 72.06 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34158) 07/10/26 _x86_64_ (2 CPU) 00:00:38 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.12 0.01 0.03 99.59 00:10:01 0 0.37 0.00 0.09 0.00 0.02 99.52 00:10:01 1 0.14 0.00 0.15 0.02 0.04 99.66 00:20:38 all 0.63 0.00 0.20 0.01 0.03 99.13 00:20:38 0 0.86 0.00 0.18 0.01 0.02 98.93 00:20:38 1 0.40 0.00 0.22 0.02 0.04 99.32 00:30:10 all 0.23 0.00 0.16 0.01 0.03 99.57 00:30:10 0 0.30 0.00 0.14 0.01 0.02 99.52 00:30:10 1 0.15 0.00 0.18 0.01 0.04 99.62 00:40:01 all 11.67 0.00 1.68 0.54 0.05 86.06 00:40:01 0 11.57 0.00 1.69 0.32 0.05 86.37 00:40:01 1 11.77 0.00 1.66 0.77 0.06 85.75 00:50:20 all 1.08 0.00 0.22 0.01 0.06 98.63 00:50:20 0 1.28 0.00 0.22 0.01 0.07 98.42 00:50:20 1 0.87 0.00 0.22 0.01 0.06 98.84 Average: all 2.76 0.00 0.47 0.12 0.04 96.61 Average: 0 2.87 0.00 0.46 0.07 0.04 96.56 Average: 1 2.65 0.00 0.48 0.16 0.05 96.65