---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8149 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 749 5227 4 2253 7192 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:b9:98:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82830sec preferred_lft 82830sec inet6 fe80::f816:3eff:feb9:98e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8149) 03/23/26 _x86_64_ (2 CPU) 00:35:19 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 15.00 0.04 1.65 13.31 2.14 38.22 106054.54 01:00:06 1.49 0.01 1.46 0.02 0.05 24.49 0.28 01:10:01 1.32 0.00 1.31 0.01 0.00 133.28 385.76 01:20:06 2.05 0.32 1.71 0.02 39.78 91.71 0.36 01:30:06 1.53 0.00 1.51 0.03 0.00 24.72 0.43 Average: 4.30 0.07 1.53 2.69 8.45 62.37 21418.53 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5299396 7378480 393660 4.84 84036 2159884 645072 7.03 577872 1929344 304 01:00:06 5296276 7377352 394500 4.85 84212 2161696 663940 7.23 596960 1931324 236 01:10:01 5246416 7362620 409264 5.03 84344 2196648 651752 7.10 582680 1966416 240 01:20:06 5209288 7359584 411772 5.06 84640 2230032 656892 7.15 599672 1988704 308 01:30:06 5174840 7327404 443948 5.46 84804 2232068 689332 7.51 632052 1990792 192 Average: 5245243 7361088 410629 5.05 84407 2196066 661398 7.20 597847 1961316 256 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 23.77 21.48 222.64 2.38 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 8.73 8.16 61.24 0.90 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 13.75 12.54 158.32 1.22 0.00 0.00 0.00 0.00 01:20:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 17.07 16.41 143.94 1.97 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 13.54 13.25 140.19 1.18 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 15.39 14.39 145.34 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8149) 03/23/26 _x86_64_ (2 CPU) 00:35:19 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 1.23 0.00 0.29 0.03 0.06 98.38 00:50:06 0 0.95 0.00 0.23 0.06 0.05 98.71 00:50:06 1 1.51 0.00 0.36 0.01 0.07 98.05 01:00:06 all 2.57 0.00 0.40 0.01 0.07 96.94 01:00:06 0 2.85 0.00 0.39 0.01 0.06 96.69 01:00:06 1 2.29 0.00 0.42 0.01 0.08 97.20 01:10:01 all 4.44 0.00 0.49 0.01 0.07 94.99 01:10:01 0 6.85 0.00 0.67 0.02 0.07 92.40 01:10:01 1 2.11 0.00 0.31 0.01 0.08 97.49 01:20:06 all 2.05 0.00 0.35 0.02 0.08 97.50 01:20:06 0 2.29 0.00 0.31 0.03 0.06 97.30 01:20:06 1 1.81 0.00 0.39 0.02 0.09 97.70 01:30:06 all 0.88 0.00 0.31 0.01 0.07 98.72 01:30:06 0 1.04 0.00 0.33 0.01 0.08 98.53 01:30:06 1 0.72 0.00 0.30 0.01 0.07 98.90 Average: all 2.22 0.00 0.37 0.02 0.07 97.32 Average: 0 2.76 0.00 0.38 0.03 0.06 96.77 Average: 1 1.69 0.00 0.35 0.01 0.08 97.87