---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66576 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: 5600.00 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 753 5226 4 2258 7187 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:f5:76:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83865sec preferred_lft 83865sec inet6 fe80::f816:3eff:fef5:7647/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66576) 04/05/26 _x86_64_ (2 CPU) 00:21:43 LINUX RESTART (2 CPU) 00:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 1.82 0.32 1.48 0.02 39.29 72.51 0.56 00:50:04 10.51 1.40 8.01 1.10 114.38 1123.00 359.65 01:00:04 1.56 0.00 1.54 0.02 0.09 23.51 0.71 Average: 4.65 0.58 3.69 0.38 51.41 408.48 121.04 00:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 5443712 7346540 429508 5.28 72080 1998280 835176 9.10 603492 1771808 152 00:50:04 5213020 7386200 375968 4.62 88672 2240320 857824 9.34 612276 2000900 212 01:00:04 5205408 7380380 381632 4.69 88832 2241952 856328 9.33 611520 2002684 272 Average: 5287380 7371040 395703 4.87 83195 2160184 849776 9.26 609096 1925131 212 00:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:40:00 ens3 2.44 0.67 3.69 0.26 0.00 0.00 0.00 0.00 00:50:04 lo 1.16 1.16 0.08 0.08 0.00 0.00 0.00 0.00 00:50:04 ens3 77.58 56.50 52.11 12.72 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 3.08 2.86 2.47 0.37 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.85 20.12 19.52 4.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66576) 04/05/26 _x86_64_ (2 CPU) 00:21:43 LINUX RESTART (2 CPU) 00:30:04 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 0.49 0.00 0.11 0.02 0.02 99.36 00:40:00 0 0.31 0.00 0.11 0.01 0.02 99.55 00:40:00 1 0.68 0.00 0.11 0.04 0.02 99.16 00:50:04 all 8.79 0.00 1.31 0.21 0.05 89.64 00:50:04 0 9.86 0.00 1.42 0.16 0.05 88.51 00:50:04 1 7.71 0.00 1.20 0.27 0.04 90.78 01:00:04 all 4.40 0.00 0.63 0.01 0.06 94.90 01:00:04 0 1.72 0.00 0.34 0.00 0.05 97.88 01:00:04 1 7.17 0.00 0.93 0.01 0.07 91.82 Average: all 4.57 0.00 0.69 0.08 0.04 94.62 Average: 0 3.98 0.00 0.63 0.06 0.04 95.30 Average: 1 5.17 0.00 0.75 0.11 0.04 93.93