---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21845 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 770 5070 4 2401 7171 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:da:04:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78641sec preferred_lft 78641sec inet6 fe80::f816:3eff:feda:402/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21845) 05/31/26 _x86_64_ (2 CPU) 00:43:20 LINUX RESTART (2 CPU) 00:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.30 0.01 1.28 0.01 0.05 15.93 443.96 01:10:12 1.15 0.00 1.15 0.00 0.00 13.66 0.00 01:20:12 1.21 0.00 1.21 0.00 0.01 14.49 0.12 01:30:12 13.99 0.00 1.45 12.54 0.15 17.13 109618.90 01:40:12 1.81 0.26 1.54 0.01 32.03 74.01 0.23 01:50:12 1.24 0.00 1.23 0.01 0.00 14.48 0.48 02:00:12 24.81 3.04 19.46 2.31 228.37 3412.71 1137.81 02:10:12 15.57 13.54 1.96 0.08 150.68 49.60 7.63 02:20:12 1.56 0.00 1.53 0.03 0.00 21.81 1.33 02:30:12 1.58 0.00 1.54 0.04 0.00 139.72 390.67 02:40:12 1.49 0.00 1.45 0.04 0.00 31.43 2.13 02:50:12 1.47 0.00 1.42 0.05 0.00 22.89 2.31 Average: 5.60 1.40 2.94 1.26 34.27 318.99 9299.82 00:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6280696 7527152 293120 3.60 30636 1421712 529268 5.76 444216 1183436 248 01:10:12 6288284 7535224 285032 3.50 30780 1422044 529376 5.77 444304 1183912 196 01:20:12 6287784 7535240 285044 3.50 30968 1422368 529556 5.77 444416 1184424 136 01:30:12 6295932 7543924 276344 3.40 31120 1422740 530432 5.78 447228 1184920 144 01:40:12 6251244 7526504 293296 3.61 31456 1449320 530424 5.78 456592 1202632 124 01:50:12 6251772 7527536 292224 3.59 31624 1449648 530692 5.78 457268 1203128 160 02:00:12 5185548 7379224 388344 4.78 86576 2267984 634760 6.91 593800 2030852 468 02:10:12 5038244 7289700 469144 5.77 89964 2314260 643300 7.01 594716 2079912 512 02:20:12 5089584 7342224 416580 5.12 90128 2315272 662076 7.21 613968 2081092 152 02:30:12 5078888 7368412 390108 4.80 90300 2351756 666936 7.26 617316 2117620 128 02:40:12 5014320 7308504 449980 5.53 90544 2356108 686964 7.48 636548 2122216 124 02:50:12 5009032 7305372 453084 5.57 90712 2358068 686960 7.48 636688 2124344 164 Average: 5672611 7432418 357692 4.40 60401 1879273 596729 6.50 532255 1641541 213 00:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.73 0.06 0.11 0.03 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 0.52 0.04 0.07 0.01 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.64 0.06 0.12 0.03 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.68 0.12 0.17 0.08 0.00 0.00 0.00 0.00 01:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.68 0.26 3.24 0.07 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 0.52 0.26 0.13 0.62 0.00 0.00 0.00 0.00 02:00:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:12 ens3 77.79 54.96 428.06 12.25 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 16.91 15.25 168.06 1.29 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 3.18 2.72 5.08 0.47 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 15.85 14.39 157.24 1.57 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 18.02 17.41 169.55 1.76 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 14.04 13.77 140.26 1.22 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 12.46 9.94 89.34 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21845) 05/31/26 _x86_64_ (2 CPU) 00:43:20 LINUX RESTART (2 CPU) 00:50:12 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.16 0.03 0.03 99.52 01:00:01 0 0.08 0.00 0.18 0.00 0.03 99.71 01:00:01 1 0.45 0.00 0.14 0.05 0.02 99.34 01:10:12 all 0.24 0.00 0.07 0.03 0.02 99.63 01:10:12 0 0.06 0.00 0.09 0.02 0.03 99.80 01:10:12 1 0.43 0.00 0.06 0.03 0.02 99.46 01:20:12 all 0.27 0.00 0.08 0.03 0.03 99.60 01:20:12 0 0.05 0.00 0.09 0.01 0.03 99.82 01:20:12 1 0.48 0.00 0.06 0.05 0.02 99.38 01:30:12 all 0.28 0.00 0.18 0.05 0.03 99.47 01:30:12 0 0.26 0.00 0.19 0.02 0.03 99.51 01:30:12 1 0.30 0.00 0.18 0.07 0.03 99.42 01:40:12 all 0.34 0.00 0.10 0.06 0.03 99.47 01:40:12 0 0.38 0.00 0.09 0.04 0.02 99.47 01:40:12 1 0.30 0.00 0.12 0.09 0.03 99.46 01:50:12 all 0.27 0.00 0.06 0.04 0.02 99.60 01:50:12 0 0.13 0.00 0.09 0.01 0.03 99.75 01:50:12 1 0.42 0.00 0.04 0.07 0.02 99.46 02:00:12 all 12.02 0.00 1.88 1.36 0.06 84.67 02:00:12 0 15.35 0.00 2.01 1.44 0.06 81.13 02:00:12 1 8.70 0.00 1.76 1.28 0.06 88.21 02:10:12 all 0.89 0.19 0.29 0.28 0.06 98.28 02:10:12 0 1.18 0.01 0.31 0.02 0.08 98.40 02:10:12 1 0.59 0.38 0.28 0.55 0.05 98.16 02:20:12 all 6.04 0.00 0.59 0.02 0.07 93.28 02:20:12 0 5.30 0.00 0.51 0.02 0.07 94.11 02:20:12 1 6.80 0.00 0.66 0.03 0.07 92.45 02:30:12 all 3.09 0.00 0.44 0.05 0.06 96.36 02:30:12 0 3.67 0.00 0.56 0.05 0.08 95.64 02:30:12 1 2.50 0.00 0.33 0.05 0.04 97.08 02:40:12 all 1.57 0.00 0.31 0.03 0.06 98.03 02:40:12 0 1.14 0.00 0.25 0.06 0.05 98.50 02:40:12 1 2.00 0.00 0.36 0.01 0.07 97.56 02:40:12 CPU %user %nice %system %iowait %steal %idle 02:50:12 all 0.91 0.00 0.22 0.04 0.06 98.78 02:50:12 0 0.92 0.00 0.25 0.02 0.07 98.74 02:50:12 1 0.89 0.00 0.18 0.06 0.06 98.82 Average: all 2.17 0.02 0.36 0.17 0.04 97.24 Average: 0 2.37 0.00 0.38 0.14 0.05 97.06 Average: 1 1.97 0.03 0.35 0.19 0.04 97.42