---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29635 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 758 5206 4 2267 7183 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:b9:88:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81670sec preferred_lft 81670sec inet6 fe80::f816:3eff:feb9:8810/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29635) 06/23/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:11 1.34 0.01 1.32 0.02 0.05 16.33 436.40 01:10:01 1.14 0.00 1.12 0.02 0.00 14.14 1.22 01:20:01 1.70 0.25 1.42 0.03 30.99 74.05 1.37 01:30:11 1.41 0.00 1.38 0.03 0.00 17.70 643.67 01:40:01 1.19 0.00 1.17 0.02 0.00 14.67 1.00 01:50:08 1.60 0.40 1.20 0.00 15.65 45.83 0.36 Average: 1.40 0.11 1.27 0.02 7.82 30.54 182.63 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:11 6292936 7537312 283548 3.49 30392 1420092 533884 5.82 446300 1183364 172 01:10:01 6291676 7536576 284272 3.50 30584 1420420 534052 5.82 446448 1183884 132 01:20:01 6249412 7521340 299080 3.68 30964 1446696 731780 7.97 461404 1201776 148 01:30:11 6250704 7523216 297132 3.65 31196 1447024 731864 7.97 461276 1202324 180 01:40:01 6258292 7531476 288876 3.55 31396 1447476 731960 7.97 461664 1202860 268 01:50:08 6234824 7523084 296928 3.65 31708 1462168 748464 8.15 486448 1216344 232 Average: 6262974 7528834 291639 3.59 31040 1440646 668667 7.28 460590 1198425 189 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.51 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.58 0.05 2.35 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.16 0.53 3.43 0.09 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.50 0.22 0.12 0.61 0.00 0.00 0.00 0.00 01:50:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 9.35 4.63 19.74 2.61 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.08 0.93 4.33 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29635) 06/23/26 _x86_64_ (2 CPU) 00:40:12 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:11 all 0.29 0.00 0.16 0.04 0.03 99.48 01:00:11 0 0.50 0.00 0.14 0.01 0.02 99.33 01:00:11 1 0.08 0.00 0.18 0.07 0.04 99.64 01:10:01 all 0.27 0.00 0.07 0.02 0.03 99.61 01:10:01 0 0.46 0.00 0.05 0.02 0.02 99.45 01:10:01 1 0.07 0.00 0.09 0.03 0.03 99.78 01:20:01 all 0.36 0.00 0.10 0.08 0.03 99.43 01:20:01 0 0.48 0.00 0.07 0.12 0.02 99.31 01:20:01 1 0.25 0.00 0.13 0.04 0.04 99.54 01:30:11 all 0.27 0.00 0.16 0.02 0.03 99.53 01:30:11 0 0.48 0.00 0.15 0.03 0.02 99.32 01:30:11 1 0.06 0.00 0.17 0.00 0.03 99.73 01:40:01 all 0.26 0.00 0.06 0.03 0.03 99.62 01:40:01 0 0.45 0.00 0.05 0.01 0.02 99.48 01:40:01 1 0.07 0.00 0.08 0.05 0.04 99.76 01:50:08 all 0.48 0.00 0.09 0.03 0.03 99.37 01:50:08 0 0.67 0.00 0.07 0.03 0.02 99.21 01:50:08 1 0.28 0.00 0.10 0.03 0.04 99.54 Average: all 0.32 0.00 0.11 0.04 0.03 99.51 Average: 0 0.51 0.00 0.09 0.04 0.02 99.35 Average: 1 0.14 0.00 0.13 0.04 0.04 99.66