---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3737 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 7.9G 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 734 5322 4 2172 7207 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:39:ca:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84157sec preferred_lft 84157sec inet6 fe80::f816:3eff:fe39:ca82/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3737) 04/17/26 _x86_64_ (2 CPU) 01:47:25 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 9.89 1.30 7.57 1.02 111.87 1088.26 489.79 02:10:02 1.28 0.01 1.27 0.01 0.05 15.59 0.36 02:20:18 1.81 0.31 1.49 0.01 37.97 71.52 0.19 Average: 4.31 0.54 3.43 0.34 49.92 389.31 162.15 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 5334268 7413944 358368 4.41 84000 2160244 629160 6.85 573372 1928736 196 02:10:02 5340120 7420304 351788 4.33 84160 2160592 629160 6.85 573480 1929248 156 02:20:18 5286680 7395400 376192 4.63 84432 2188752 836896 9.12 590628 1946616 136 Average: 5320356 7409883 362116 4.45 84197 2169863 698405 7.61 579160 1934867 163 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:00:04 ens3 28.20 19.92 39.08 4.95 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.59 0.22 0.09 0.03 0.00 0.00 0.00 0.00 02:20:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.71 0.35 3.16 0.04 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 9.76 6.78 14.03 1.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3737) 04/17/26 _x86_64_ (2 CPU) 01:47:25 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 4.72 0.00 0.91 0.20 0.08 94.09 02:00:04 0 3.99 0.00 0.80 0.15 0.05 95.02 02:00:04 1 5.46 0.00 1.02 0.26 0.10 93.17 02:10:02 all 0.35 0.00 0.13 0.01 0.07 99.43 02:10:02 0 0.31 0.00 0.14 0.01 0.08 99.45 02:10:02 1 0.40 0.00 0.12 0.01 0.07 99.41 02:20:18 all 0.50 0.00 0.15 0.03 0.07 99.25 02:20:18 0 0.48 0.00 0.09 0.04 0.05 99.35 02:20:18 1 0.52 0.00 0.21 0.03 0.09 99.15 Average: all 1.85 0.00 0.40 0.08 0.07 97.60 Average: 0 1.58 0.00 0.34 0.06 0.06 97.95 Average: 1 2.11 0.00 0.45 0.10 0.09 97.26