---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16949 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 744 5296 4 2189 7196 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:87:3c:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81973sec preferred_lft 81973sec inet6 fe80::f816:3eff:fe87:3cc6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16949) 05/20/26 _x86_64_ (2 CPU) 00:30:07 LINUX RESTART (2 CPU) 00:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 1.41 0.01 1.40 0.00 0.06 16.47 0.12 01:00:01 1.49 0.00 1.48 0.01 0.00 17.01 0.27 01:10:27 13.52 0.00 1.48 12.03 0.14 16.79 104603.47 01:20:27 1.36 0.00 1.34 0.02 0.01 15.71 1.20 01:30:01 1.51 0.00 1.47 0.03 0.00 17.69 1.60 01:40:17 23.06 3.11 17.76 2.19 227.08 3104.71 1043.44 Average: 7.26 0.53 4.24 2.48 39.00 546.59 18419.61 00:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 6246996 7520180 299876 3.69 30848 1447672 518676 5.65 457736 1200496 148 01:00:01 6262228 7535912 284108 3.49 31000 1447996 518744 5.65 457836 1200976 124 01:10:27 6261728 7536044 283968 3.49 31204 1448404 518964 5.65 458112 1201560 140 01:20:27 6261728 7536572 283432 3.49 31400 1448732 518964 5.65 458380 1202084 176 01:30:01 6261760 7537220 282688 3.48 31600 1449148 518960 5.65 458540 1202560 152 01:40:17 5301216 7424324 347104 4.27 85728 2201228 627344 6.83 587416 1962896 1064 Average: 6099276 7515042 296863 3.65 40297 1573863 536942 5.85 479670 1328429 301 00:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 0.49 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.24 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:27 ens3 0.39 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.42 0.10 0.13 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.31 0.08 0.09 0.05 0.00 0.00 0.00 0.00 01:40:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:40:17 ens3 46.43 29.94 293.27 8.57 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 8.27 5.20 50.40 1.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16949) 05/20/26 _x86_64_ (2 CPU) 00:30:07 LINUX RESTART (2 CPU) 00:40:27 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 0.28 0.00 0.06 0.01 0.04 99.61 00:50:07 0 0.23 0.00 0.06 0.01 0.03 99.66 00:50:07 1 0.33 0.00 0.06 0.02 0.04 99.55 01:00:01 all 0.27 0.00 0.15 0.01 0.04 99.53 01:00:01 0 0.26 0.00 0.14 0.02 0.04 99.55 01:00:01 1 0.28 0.00 0.16 0.00 0.04 99.52 01:10:27 all 0.22 0.00 0.08 0.03 0.04 99.63 01:10:27 0 0.05 0.00 0.08 0.04 0.04 99.79 01:10:27 1 0.40 0.00 0.08 0.01 0.04 99.48 01:20:27 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:27 0 0.25 0.00 0.08 0.01 0.04 99.62 01:20:27 1 0.23 0.00 0.07 0.02 0.03 99.66 01:30:01 all 0.27 0.00 0.15 0.01 0.04 99.53 01:30:01 0 0.47 0.00 0.13 0.01 0.02 99.37 01:30:01 1 0.07 0.00 0.18 0.01 0.05 99.69 01:40:17 all 10.90 0.00 1.57 0.61 0.06 86.86 01:40:17 0 14.26 0.00 1.92 0.83 0.07 82.93 01:40:17 1 7.54 0.00 1.23 0.39 0.06 90.78 Average: all 2.08 0.00 0.36 0.12 0.04 97.41 Average: 0 2.65 0.00 0.41 0.16 0.04 96.74 Average: 1 1.51 0.00 0.30 0.08 0.04 98.07