---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66140 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 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 806 5090 4 2341 7135 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:44:29:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80939sec preferred_lft 80939sec inet6 fe80::f816:3eff:fe44:292b/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-66140) 04/03/26 _x86_64_ (2 CPU) 01:53:25 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 13.97 0.01 1.42 12.54 0.20 16.35 109193.25 02:20:00 1.38 0.00 1.36 0.02 0.01 15.63 1.09 02:30:00 2.19 0.32 1.84 0.03 40.07 75.44 436.23 02:40:00 1.34 0.00 1.34 0.00 0.00 15.47 0.00 02:50:00 1.36 0.00 1.36 0.00 0.00 15.93 0.00 03:00:00 23.39 3.02 18.15 2.22 227.76 3073.99 971.81 03:10:00 1.62 0.01 1.59 0.03 0.48 106.21 2.56 03:20:00 15.73 13.54 2.14 0.06 151.03 119.13 121.53 Average: 7.62 2.11 3.65 1.86 52.44 429.77 13840.81 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6275636 7527004 292892 3.60 30708 1426476 519732 5.66 451636 1187388 172 02:20:00 6276396 7528316 291600 3.59 30932 1426800 519884 5.66 451720 1187936 124 02:30:00 6246804 7527804 291476 3.58 31312 1455092 519876 5.66 463160 1205232 120 02:40:00 6242832 7524328 294984 3.63 31480 1455412 521172 5.68 459768 1205720 124 02:50:00 6250168 7532296 287016 3.53 31644 1455872 521124 5.68 459792 1206216 124 03:00:00 5338256 7450560 320616 3.94 84848 2191732 558916 6.09 555676 1949724 9228 03:10:00 5271116 7395688 375604 4.62 84984 2203932 654176 7.13 608844 1962060 316 03:20:00 5178608 7382104 380272 4.68 88396 2271164 649864 7.08 613032 2031984 1396 Average: 5884977 7483512 316808 3.90 51788 1735810 558093 6.08 507954 1492032 1450 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.46 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.28 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.52 0.24 3.06 0.03 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.36 0.08 0.10 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.47 0.14 0.17 0.10 0.00 0.00 0.00 0.00 03:00:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:00 ens3 56.69 40.65 297.42 11.36 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 39.30 31.62 8.38 4.14 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 46.69 45.73 10.18 6.26 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.10 14.82 39.93 2.75 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66140) 04/03/26 _x86_64_ (2 CPU) 01:53:25 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.26 0.00 0.09 0.03 0.04 99.58 02:10:00 0 0.47 0.00 0.08 0.05 0.03 99.37 02:10:00 1 0.06 0.00 0.10 0.01 0.06 99.78 02:20:00 all 0.39 0.00 0.08 0.39 0.04 99.10 02:20:00 0 0.45 0.00 0.06 0.76 0.04 98.70 02:20:00 1 0.33 0.00 0.10 0.01 0.05 99.51 02:30:00 all 0.42 0.00 0.20 0.03 0.04 99.31 02:30:00 0 0.46 0.00 0.20 0.02 0.04 99.27 02:30:00 1 0.38 0.00 0.19 0.04 0.04 99.35 02:40:00 all 0.23 0.00 0.07 0.02 0.04 99.64 02:40:00 0 0.24 0.00 0.08 0.03 0.04 99.61 02:40:00 1 0.22 0.00 0.07 0.01 0.04 99.66 02:50:00 all 0.27 0.00 0.07 0.01 0.04 99.61 02:50:00 0 0.49 0.00 0.06 0.02 0.03 99.41 02:50:00 1 0.06 0.00 0.09 0.00 0.04 99.81 03:00:00 all 10.86 0.00 1.72 0.56 0.05 86.81 03:00:00 0 8.67 0.00 1.52 0.65 0.05 89.12 03:00:00 1 13.05 0.00 1.92 0.47 0.06 84.51 03:10:00 all 5.61 0.00 0.45 0.01 0.07 93.85 03:10:00 0 5.54 0.00 0.48 0.01 0.07 93.91 03:10:00 1 5.69 0.00 0.42 0.01 0.08 93.80 03:20:00 all 7.92 0.18 0.58 0.13 0.08 91.11 03:20:00 0 8.51 0.07 0.57 0.09 0.08 90.68 03:20:00 1 7.32 0.29 0.60 0.18 0.09 91.53 Average: all 3.24 0.02 0.41 0.15 0.05 96.13 Average: 0 3.09 0.01 0.38 0.20 0.05 96.27 Average: 1 3.38 0.04 0.44 0.09 0.06 96.00