---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4549 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 765 5162 4 2303 7176 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:de:47:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83401sec preferred_lft 83401sec inet6 fe80::f816:3eff:fede:4779/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4549) 04/19/26 _x86_64_ (2 CPU) 03:26:19 LINUX RESTART (2 CPU) 03:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:09 9.02 1.22 6.90 0.89 105.13 1066.65 425.01 03:50:10 14.76 0.01 1.35 13.40 0.20 109.35 106691.96 04:00:11 1.56 0.00 1.54 0.02 0.20 71.00 0.81 04:10:13 1.85 0.31 1.52 0.01 38.91 79.24 0.29 Average: 6.79 0.39 2.83 3.58 36.09 331.22 26757.51 03:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:09 5306528 7400780 371476 4.57 84012 2174828 696080 7.58 599304 1944100 2260 03:50:10 5248764 7371012 400860 4.93 84132 2202600 726012 7.91 629424 1971960 1608 04:00:11 5222348 7359684 411972 5.07 84264 2217304 702356 7.65 630008 1986848 164 04:10:13 5171832 7341712 429280 5.28 84532 2249172 901728 9.82 647020 2007920 1956 Average: 5237368 7368297 403397 4.96 84235 2210976 756544 8.24 626439 1977707 1497 03:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:09 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:40:09 ens3 72.14 59.30 53.21 10.04 0.00 0.00 0.00 0.00 03:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:10 ens3 13.64 13.81 12.69 1.15 0.00 0.00 0.00 0.00 04:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:11 ens3 12.54 12.38 7.42 1.09 0.00 0.00 0.00 0.00 04:10:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:10:13 ens3 24.50 24.26 7.82 1.69 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 30.69 27.43 20.27 3.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4549) 04/19/26 _x86_64_ (2 CPU) 03:26:19 LINUX RESTART (2 CPU) 03:30:09 CPU %user %nice %system %iowait %steal %idle 03:40:09 all 7.23 0.00 1.21 0.32 0.07 91.17 03:40:09 0 5.75 0.00 1.07 0.22 0.07 92.91 03:40:09 1 8.72 0.00 1.35 0.42 0.07 89.44 03:50:10 all 4.07 0.00 0.53 0.03 0.13 95.25 03:50:10 0 4.63 0.00 0.57 0.01 0.14 94.66 03:50:10 1 3.51 0.00 0.48 0.05 0.13 95.84 04:00:11 all 3.33 0.00 0.53 0.01 0.06 96.07 04:00:11 0 2.80 0.00 0.45 0.01 0.05 96.69 04:00:11 1 3.85 0.00 0.60 0.01 0.08 95.46 04:10:13 all 1.64 0.00 0.37 0.02 0.06 97.91 04:10:13 0 1.49 0.00 0.33 0.03 0.05 98.10 04:10:13 1 1.78 0.00 0.41 0.01 0.08 97.73 Average: all 4.06 0.00 0.66 0.09 0.08 95.10 Average: 0 3.67 0.00 0.61 0.06 0.08 95.59 Average: 1 4.46 0.00 0.71 0.12 0.09 94.62