---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16627 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 769 5271 4 2189 7172 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:f2:7c:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82429sec preferred_lft 82429sec inet6 fe80::f816:3eff:fef2:7c0f/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-16627) 05/19/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.59 0.01 1.55 0.03 1.14 18.67 1.56 01:10:26 1.37 0.00 1.36 0.02 0.00 15.44 1.15 01:20:26 1.41 0.00 1.39 0.02 0.01 15.93 1.20 01:30:01 1.58 0.00 1.55 0.03 0.00 18.53 1.54 01:40:13 3.19 1.31 1.83 0.05 94.57 164.62 4.38 Average: 1.83 0.27 1.53 0.03 19.52 47.20 1.98 00:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6260016 7534096 286056 3.52 30868 1448508 528100 5.75 453836 1200532 160 01:10:26 6266624 7541244 278904 3.43 31068 1448840 528132 5.75 453820 1201064 136 01:20:26 6263940 7539080 281060 3.46 31264 1449160 529324 5.77 456112 1201580 132 01:30:01 6261944 7537648 282408 3.47 31488 1449488 529324 5.77 456192 1202132 268 01:40:13 5997440 7403776 409000 5.03 40960 1564724 696780 7.59 601452 1314108 60376 Average: 6209993 7511169 307486 3.78 33130 1472144 562332 6.12 484282 1223883 12214 00:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 0.63 0.05 11.99 0.03 0.00 0.00 0.00 0.00 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 0.71 0.15 0.70 0.11 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 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 18.61 11.00 68.29 4.74 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 4.22 2.31 16.60 1.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16627) 05/19/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:16 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.17 0.01 0.02 99.54 01:00:01 0 0.29 0.00 0.16 0.02 0.02 99.51 01:00:01 1 0.23 0.00 0.17 0.01 0.02 99.56 01:10:26 all 0.28 0.00 0.07 0.01 0.02 99.62 01:10:26 0 0.05 0.00 0.10 0.00 0.02 99.82 01:10:26 1 0.51 0.00 0.04 0.02 0.01 99.41 01:20:26 all 0.30 0.00 0.07 0.01 0.02 99.60 01:20:26 0 0.34 0.00 0.07 0.01 0.02 99.57 01:20:26 1 0.25 0.00 0.08 0.01 0.03 99.63 01:30:01 all 0.25 0.00 0.16 0.01 0.02 99.55 01:30:01 0 0.25 0.00 0.15 0.00 0.02 99.58 01:30:01 1 0.26 0.00 0.18 0.03 0.02 99.51 01:40:13 all 1.32 0.00 0.25 0.05 0.02 98.35 01:40:13 0 0.94 0.00 0.22 0.06 0.02 98.77 01:40:13 1 1.71 0.00 0.29 0.05 0.02 97.93 Average: all 0.49 0.00 0.14 0.02 0.02 99.33 Average: 0 0.37 0.00 0.14 0.02 0.02 99.45 Average: 1 0.60 0.00 0.15 0.02 0.02 99.20