---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22998 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 800 5077 4 2355 7140 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:b8:2f:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80795sec preferred_lft 80795sec inet6 fe80::f816:3eff:feb8:2f58/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22998) 06/03/26 _x86_64_ (2 CPU) 04:48:09 LINUX RESTART (2 CPU) 04:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:01 1.48 0.02 1.44 0.01 1.24 17.69 653.75 05:10:07 1.28 0.01 1.27 0.00 0.05 15.06 0.12 05:20:01 1.16 0.00 1.16 0.00 0.01 13.83 0.12 05:30:01 1.29 0.00 1.28 0.01 0.00 15.73 435.81 05:40:07 13.69 0.00 1.28 12.40 0.15 15.53 107956.19 05:50:01 1.70 0.25 1.43 0.01 31.31 73.57 0.18 06:00:01 25.06 3.02 19.75 2.30 227.97 3439.26 651.32 06:10:07 1.42 0.00 1.40 0.02 0.34 55.67 1.33 06:20:01 1.40 0.00 1.38 0.02 0.00 106.78 1.09 Average: 5.40 0.37 3.38 1.66 28.98 416.97 12324.58 04:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:01 6281560 7528068 292256 3.59 30560 1421808 527308 5.74 444904 1183156 124 05:10:07 6280004 7527036 293320 3.61 30748 1422140 532236 5.80 442052 1183676 124 05:20:01 6279332 7526872 293456 3.61 30932 1422460 532368 5.80 442232 1184180 152 05:30:01 6282648 7530692 289572 3.56 31100 1422788 532368 5.80 443220 1184676 128 05:40:07 6282396 7531000 289144 3.56 31268 1423164 533632 5.81 444916 1185192 128 05:50:01 6227984 7503396 316260 3.89 31620 1449276 728640 7.94 459736 1202764 168 06:00:01 5166000 7362676 404476 4.97 86572 2270984 861048 9.38 633440 2033868 160 06:10:07 5152756 7361360 405756 4.99 86732 2282752 872028 9.50 636420 2045692 236 06:20:01 5375972 7426012 349944 4.30 86924 2131772 779756 8.49 579908 1894896 7164 Average: 5925406 7477457 326020 4.01 49606 1694127 655487 7.14 502981 1455344 932 04:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 2.26 0.16 0.35 0.11 0.00 0.00 0.00 0.00 05:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:07 ens3 0.50 0.04 0.07 0.01 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 0.81 0.05 5.64 0.03 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.51 0.07 0.50 0.04 0.00 0.00 0.00 0.00 05:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:07 ens3 0.37 0.24 0.08 0.59 0.00 0.00 0.00 0.00 05:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:50:01 ens3 0.49 0.24 3.20 0.05 0.00 0.00 0.00 0.00 06:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 06:00:01 ens3 71.86 49.12 317.48 11.70 0.00 0.00 0.00 0.00 06:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:07 ens3 34.87 30.83 7.38 4.15 0.00 0.00 0.00 0.00 06:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:01 ens3 39.22 38.51 9.46 5.43 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.76 13.24 38.23 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22998) 06/03/26 _x86_64_ (2 CPU) 04:48:09 LINUX RESTART (2 CPU) 04:50:01 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.28 0.00 0.18 0.01 0.04 99.49 05:00:01 0 0.35 0.00 0.19 0.01 0.03 99.43 05:00:01 1 0.20 0.00 0.18 0.02 0.04 99.56 05:10:07 all 0.29 0.00 0.08 0.01 0.04 99.58 05:10:07 0 0.41 0.00 0.06 0.00 0.03 99.49 05:10:07 1 0.17 0.00 0.10 0.01 0.04 99.67 05:20:01 all 0.22 0.00 0.08 0.01 0.04 99.65 05:20:01 0 0.10 0.00 0.07 0.01 0.04 99.78 05:20:01 1 0.34 0.00 0.09 0.01 0.04 99.52 05:30:01 all 0.29 0.00 0.18 0.01 0.04 99.48 05:30:01 0 0.11 0.00 0.18 0.00 0.04 99.67 05:30:01 1 0.47 0.00 0.17 0.03 0.03 99.30 05:40:07 all 0.24 0.00 0.09 0.03 0.04 99.60 05:40:07 0 0.07 0.00 0.12 0.05 0.05 99.71 05:40:07 1 0.42 0.00 0.05 0.02 0.03 99.48 05:50:01 all 0.34 0.00 0.10 0.02 0.04 99.49 05:50:01 0 0.47 0.00 0.10 0.02 0.03 99.39 05:50:01 1 0.21 0.00 0.11 0.03 0.05 99.60 06:00:01 all 13.70 0.00 1.98 0.75 0.09 83.47 06:00:01 0 12.33 0.00 1.92 0.77 0.10 84.88 06:00:01 1 15.08 0.00 2.04 0.73 0.08 82.06 06:10:07 all 5.19 0.00 0.45 0.02 0.10 94.24 06:10:07 0 5.10 0.00 0.40 0.01 0.10 94.39 06:10:07 1 5.28 0.00 0.50 0.03 0.10 94.09 06:20:01 all 8.39 0.00 0.53 0.01 0.11 90.96 06:20:01 0 7.25 0.00 0.53 0.02 0.10 92.10 06:20:01 1 9.53 0.00 0.53 0.01 0.11 89.82 Average: all 3.20 0.00 0.41 0.10 0.06 96.24 Average: 0 2.90 0.00 0.39 0.10 0.06 96.55 Average: 1 3.50 0.00 0.42 0.10 0.06 95.93