---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39484 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 22% / 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 752 5186 4 2295 7189 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:b5:7a:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81892sec preferred_lft 81892sec inet6 fe80::f816:3eff:feb5:7a32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39484) 07/28/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 12.03 6.44 5.46 0.13 591.65 5896.24 650.37 01:00:11 1.59 0.01 1.56 0.02 0.05 18.82 436.71 01:10:12 1.39 0.00 1.37 0.02 0.00 15.83 1.32 01:20:13 13.85 0.00 1.33 12.52 0.16 15.42 108869.09 01:30:14 1.48 0.00 1.45 0.03 0.00 18.09 871.66 01:40:01 1.21 0.00 1.20 0.02 0.00 14.46 1.01 01:50:16 23.87 2.78 18.77 2.32 220.00 3543.81 968.47 Average: 8.01 1.34 4.51 2.16 117.84 1382.90 15952.12 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6243212 7516924 302924 3.72 30700 1448364 732804 7.98 456768 1200828 140 01:00:11 6248988 7523332 296376 3.64 30948 1448696 733000 7.98 457028 1201408 144 01:10:12 6248988 7523856 295848 3.64 31160 1449008 734616 8.00 458400 1201932 140 01:20:13 6248524 7523988 295620 3.64 31360 1449392 733272 7.99 458056 1202488 224 01:30:14 6248276 7524292 295348 3.63 31572 1449724 733272 7.99 457816 1203032 140 01:40:01 6248276 7524908 294760 3.62 31768 1450140 733272 7.99 458296 1203516 124 01:50:16 5181068 7401556 364300 4.48 87388 2292548 833284 9.08 603148 2055976 2268 Average: 6095333 7505551 306454 3.77 39271 1569696 747646 8.14 478502 1324169 454 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 00:50:11 ens3 18.97 8.09 69.86 1.94 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.62 0.11 0.21 0.04 0.00 0.00 0.00 0.00 01:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:12 ens3 0.36 0.05 0.18 0.03 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.50 0.19 0.15 0.49 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.22 0.05 0.06 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 0.42 0.11 0.13 0.08 0.00 0.00 0.00 0.00 01:50:16 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:16 ens3 114.56 77.29 326.27 17.72 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 19.76 12.52 57.82 2.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39484) 07/28/26 _x86_64_ (2 CPU) 00:39:59 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 1.21 0.00 0.84 0.27 0.04 97.64 00:50:11 0 1.41 0.00 0.65 0.35 0.03 97.56 00:50:11 1 1.00 0.00 1.04 0.20 0.04 97.72 01:00:11 all 0.31 0.00 0.18 0.01 0.03 99.48 01:00:11 0 0.38 0.00 0.16 0.01 0.02 99.44 01:00:11 1 0.24 0.00 0.20 0.01 0.04 99.51 01:10:12 all 0.25 0.00 0.08 0.01 0.02 99.64 01:10:12 0 0.33 0.00 0.06 0.00 0.02 99.59 01:10:12 1 0.18 0.00 0.09 0.01 0.02 99.70 01:20:13 all 0.24 0.00 0.08 0.03 0.02 99.62 01:20:13 0 0.40 0.00 0.07 0.05 0.02 99.45 01:20:13 1 0.08 0.00 0.09 0.01 0.03 99.79 01:30:14 all 0.27 0.00 0.16 0.01 0.02 99.54 01:30:14 0 0.24 0.00 0.16 0.01 0.02 99.57 01:30:14 1 0.30 0.00 0.16 0.01 0.02 99.51 01:40:01 all 0.24 0.00 0.07 0.01 0.02 99.67 01:40:01 0 0.05 0.00 0.09 0.01 0.02 99.83 01:40:01 1 0.42 0.00 0.04 0.01 0.01 99.51 01:50:16 all 14.19 0.00 2.03 0.77 0.05 82.95 01:50:16 0 14.75 0.00 2.15 0.86 0.05 82.19 01:50:16 1 13.63 0.00 1.91 0.69 0.05 83.72 Average: all 2.43 0.00 0.50 0.16 0.03 96.88 Average: 0 2.55 0.00 0.48 0.19 0.03 96.75 Average: 1 2.30 0.00 0.51 0.14 0.03 97.02