---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-949 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 8.1G 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 786 4971 4 2487 7155 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:8b:c4:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 3380sec preferred_lft 3380sec inet6 fe80::f816:3eff:fe8b:c406/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-949) 09/08/26 _x86_64_ (2 CPU) 00:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 1.75 0.02 1.72 0.01 0.84 21.03 0.20 00:20:01 1.58 0.11 1.44 0.03 3.08 22.04 264.42 00:30:07 1.66 0.00 1.64 0.02 0.00 19.05 5.29 00:40:07 13.50 1.40 11.35 0.75 102.48 1468.82 350.43 00:50:01 14.94 1.60 11.74 1.60 126.04 2166.72 1028.89 01:00:07 1.78 0.00 1.74 0.04 0.00 26.11 0.55 01:10:07 1.56 0.00 1.54 0.02 0.00 19.72 0.13 01:20:01 1.61 0.00 1.59 0.03 0.00 141.09 399.80 01:30:07 1.86 0.00 1.83 0.02 0.20 61.52 0.59 01:40:07 2.35 0.05 1.91 0.40 1.47 59.41 1750.78 Average: 4.25 0.32 3.64 0.29 23.29 398.44 378.51 00:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 6108968 7518700 289396 3.56 54908 1551820 749576 8.16 475444 1322468 152 00:20:01 6125412 7496124 311920 3.84 55064 1512608 747120 8.14 474040 1283204 268 00:30:07 6126684 7497960 309972 3.81 55160 1513064 747120 8.14 474144 1283632 220 00:40:07 5341296 7315448 455620 5.60 89108 2050416 874660 9.53 636144 1840324 203856 00:50:01 4991204 7298392 457040 5.62 108036 2351212 886084 9.65 651556 2129408 280 01:00:07 4987360 7296636 458708 5.64 108160 2353176 894712 9.75 652612 2131500 220 01:10:07 4987524 7297916 457424 5.62 108280 2354172 894728 9.75 652432 2132616 240 01:20:01 4944984 7292308 462772 5.69 108400 2390740 900660 9.81 658416 2169304 128 01:30:07 4928704 7288936 465944 5.73 108504 2403380 902096 9.83 659536 2181916 308 01:40:07 5094884 7330320 433680 5.33 108932 2286220 875040 9.53 667728 2065008 72400 Average: 5363702 7363274 410248 5.04 90455 2076681 847180 9.23 600205 1853938 27807 00:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:07 ens3 0.19 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:07 ens3 0.56 0.16 0.20 0.12 0.00 0.00 0.00 0.00 00:40:07 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 00:40:07 ens3 28.64 20.65 203.98 6.98 0.00 0.00 0.00 0.00 00:50:01 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 00:50:01 ens3 49.00 40.41 335.04 7.17 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 10.92 10.04 138.74 0.99 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 5.91 2.91 5.54 0.61 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 13.27 11.79 186.70 1.46 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 22.26 20.97 300.86 2.02 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 16.16 12.86 72.30 11.18 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 14.68 11.97 124.26 3.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-949) 09/08/26 _x86_64_ (2 CPU) 00:00:07 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 0.25 0.00 0.12 0.01 0.01 99.62 00:10:07 0 0.33 0.00 0.12 0.02 0.01 99.53 00:10:07 1 0.16 0.00 0.13 0.01 0.00 99.70 00:20:01 all 0.66 0.00 0.25 0.02 0.01 99.07 00:20:01 0 0.59 0.00 0.28 0.03 0.01 99.09 00:20:01 1 0.72 0.00 0.22 0.00 0.01 99.04 00:30:07 all 0.29 0.00 0.18 0.01 0.01 99.52 00:30:07 0 0.50 0.00 0.14 0.01 0.00 99.35 00:30:07 1 0.08 0.00 0.21 0.01 0.01 99.70 00:40:07 all 5.58 0.00 0.93 0.31 0.01 93.17 00:40:07 0 4.99 0.00 0.81 0.42 0.01 93.78 00:40:07 1 6.18 0.00 1.06 0.21 0.01 92.55 00:50:01 all 7.54 0.00 1.41 0.29 0.02 90.74 00:50:01 0 7.79 0.00 1.55 0.20 0.02 90.44 00:50:01 1 7.29 0.00 1.27 0.38 0.02 91.03 01:00:07 all 0.89 0.00 0.36 0.01 0.01 98.73 01:00:07 0 0.77 0.00 0.35 0.02 0.01 98.86 01:00:07 1 1.01 0.00 0.37 0.00 0.01 98.61 01:10:07 all 0.95 0.00 0.20 0.01 0.02 98.82 01:10:07 0 1.18 0.00 0.21 0.01 0.03 98.58 01:10:07 1 0.75 0.00 0.19 0.01 0.01 99.04 01:20:01 all 1.44 0.00 0.31 0.01 0.01 98.22 01:20:01 0 1.57 0.00 0.37 0.01 0.02 98.03 01:20:01 1 1.31 0.00 0.26 0.01 0.01 98.41 01:30:07 all 1.95 0.00 0.51 0.01 0.01 97.52 01:30:07 0 1.85 0.00 0.54 0.02 0.01 97.59 01:30:07 1 2.05 0.00 0.48 0.01 0.01 97.45 01:40:07 all 2.26 0.00 0.38 0.03 0.00 97.32 01:40:07 0 1.03 0.00 0.27 0.05 0.00 98.65 01:40:07 1 3.50 0.00 0.49 0.02 0.01 96.00 Average: all 2.19 0.00 0.47 0.07 0.01 97.27 Average: 0 2.06 0.00 0.47 0.08 0.01 97.38 Average: 1 2.31 0.00 0.47 0.07 0.01 97.15