---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1603 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 8.2G 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 745 4941 4 2547 7196 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:4b:f8:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82778sec preferred_lft 82778sec inet6 fe80::f816:3eff:fe4b:f8bb/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-1603) 04/10/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 26.83 6.10 18.43 2.29 614.12 3257.74 856.91 01:00:01 2.08 0.34 1.70 0.05 39.67 76.35 2.32 01:10:01 1.46 0.01 1.42 0.03 1.05 128.92 1.54 01:20:01 1.62 0.00 1.57 0.05 0.01 443.75 1.65 01:30:01 1.75 0.00 1.70 0.06 0.00 49.92 2.68 01:40:01 6.97 0.08 5.23 1.65 6.14 1081.05 3600.80 Average: 6.79 1.09 5.01 0.69 110.40 840.74 744.03 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5148164 7230120 542216 6.67 83780 2162736 771996 8.41 726600 1931660 248 01:00:01 5158748 7269448 502084 6.17 84096 2191024 929356 10.12 702120 1949108 192 01:10:01 5033872 7178984 592380 7.28 84276 2225016 898532 9.79 798060 1982968 132 01:20:01 4875080 7150672 618736 7.61 84480 2353492 902180 9.83 851288 2111652 216 01:30:01 4849800 7134580 634660 7.80 84668 2362360 909072 9.90 858748 2120708 196 01:40:01 5107144 7415300 360784 4.44 87824 2389004 609080 6.63 601476 2148764 28192 Average: 5028801 7229851 541810 6.66 84854 2280605 836703 9.11 756382 2040810 4863 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.31 1.31 0.10 0.10 0.00 0.00 0.00 0.00 00:50:01 ens3 105.03 73.22 720.98 14.65 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 32.41 28.46 460.39 1.90 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 76.98 73.94 1216.41 4.87 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 29.31 27.00 431.95 1.85 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 22.79 21.88 357.41 1.48 0.00 0.00 0.00 0.00 01:40:01 lo 1.09 1.09 0.07 0.07 0.00 0.00 0.00 0.00 01:40:01 ens3 33.87 27.77 282.64 25.85 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 50.08 42.05 578.22 8.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1603) 04/10/26 _x86_64_ (2 CPU) 00:39:51 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 11.83 0.00 2.02 0.79 0.06 85.30 00:50:01 0 11.20 0.00 1.95 0.49 0.06 86.31 00:50:01 1 12.45 0.00 2.10 1.10 0.07 84.29 01:00:01 all 0.75 0.00 0.40 0.02 0.05 98.78 01:00:01 0 0.65 0.00 0.30 0.02 0.04 99.00 01:00:01 1 0.86 0.00 0.49 0.02 0.06 98.57 01:10:01 all 1.08 0.00 0.56 0.01 0.05 98.31 01:10:01 0 1.42 0.00 0.82 0.01 0.07 97.68 01:10:01 1 0.73 0.00 0.29 0.01 0.04 98.93 01:20:01 all 0.79 0.00 0.21 0.02 0.06 98.92 01:20:01 0 0.72 0.00 0.23 0.01 0.06 98.99 01:20:01 1 0.87 0.00 0.20 0.02 0.06 98.85 01:30:01 all 0.62 0.00 0.34 0.01 0.05 98.98 01:30:01 0 0.73 0.00 0.42 0.01 0.06 98.78 01:30:01 1 0.51 0.00 0.26 0.01 0.05 99.18 01:40:01 all 5.54 0.00 0.72 0.10 0.06 93.58 01:40:01 0 4.93 0.00 0.80 0.05 0.08 94.15 01:40:01 1 6.15 0.00 0.65 0.15 0.04 93.01 Average: all 3.44 0.00 0.71 0.16 0.06 95.64 Average: 0 3.28 0.00 0.75 0.10 0.06 95.81 Average: 1 3.60 0.00 0.66 0.22 0.05 95.47