---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3055 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 8.0G 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 758 5189 4 2287 7183 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:03:95:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79844sec preferred_lft 79844sec inet6 fe80::f816:3eff:fe03:9599/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3055) 09/08/26 _x86_64_ (2 CPU) 01:07:40 LINUX RESTART (2 CPU) 01:10:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:24 1.43 0.03 1.41 0.00 1.25 16.73 5.73 01:30:01 1.57 0.01 1.54 0.02 0.06 18.38 30.12 01:40:24 1.31 0.00 1.30 0.02 0.00 15.47 55.14 01:50:24 1.97 0.33 1.62 0.03 43.49 105.03 47.99 02:00:01 1.56 0.00 1.54 0.03 0.00 18.58 712.39 02:10:24 1.39 0.00 1.37 0.02 0.00 16.12 43.10 02:20:24 1.41 0.00 1.41 0.00 0.00 16.25 0.00 02:30:01 1.55 0.00 1.54 0.01 0.00 18.07 443.60 02:40:22 1.38 0.00 1.38 0.00 0.00 16.21 0.00 02:50:24 41.23 2.83 22.40 16.00 223.34 3538.07 107566.04 Average: 5.50 0.32 3.56 1.62 26.92 379.47 10935.28 01:10:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:24 6301568 7548308 272176 3.35 30524 1422876 529136 5.76 441600 1183840 172 01:30:01 6299108 7546420 274052 3.37 30752 1423204 529204 5.76 441548 1184400 152 01:40:24 6302072 7549948 270548 3.33 30984 1423528 529360 5.77 441524 1184956 124 01:50:24 6214388 7502156 317404 3.90 31636 1462272 733876 7.99 466896 1214268 124 02:00:01 6228332 7516820 302648 3.72 31848 1462732 733876 7.99 467136 1214812 124 02:10:24 6229464 7518504 300952 3.70 32072 1463056 733940 7.99 467384 1215360 124 02:20:24 6233528 7523068 296376 3.64 32240 1463384 735632 8.01 469064 1215856 120 02:30:01 6231068 7521116 298212 3.67 32400 1463712 734004 7.99 467956 1216344 276 02:40:22 6231068 7521632 297688 3.66 32584 1464036 734004 7.99 468152 1216852 124 02:50:24 5181628 7402504 363520 4.47 87936 2293604 810856 8.83 601400 2056100 204 Average: 6145222 7515048 299358 3.68 37298 1534240 680389 7.41 473266 1290279 154 01:10:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 1.05 0.09 0.14 0.05 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 0.53 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:24 ens3 0.34 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:50:24 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 1.13 0.57 3.37 0.08 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.45 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.17 0.04 0.02 0.01 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 0.30 0.14 0.05 0.54 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.21 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:22 ens3 0.25 0.04 0.05 0.03 0.00 0.00 0.00 0.00 02:50:24 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:24 ens3 96.07 73.29 322.71 16.25 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 10.09 7.48 32.81 1.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3055) 09/08/26 _x86_64_ (2 CPU) 01:07:40 LINUX RESTART (2 CPU) 01:10:24 CPU %user %nice %system %iowait %steal %idle 01:20:24 all 0.30 0.00 0.11 0.01 0.01 99.58 01:20:24 0 0.40 0.00 0.09 0.02 0.00 99.49 01:20:24 1 0.19 0.00 0.12 0.01 0.01 99.67 01:30:01 all 0.29 0.00 0.20 0.01 0.00 99.49 01:30:01 0 0.51 0.00 0.19 0.01 0.00 99.29 01:30:01 1 0.07 0.00 0.22 0.01 0.00 99.69 01:40:24 all 0.28 0.00 0.09 0.01 0.00 99.62 01:40:24 0 0.50 0.00 0.05 0.01 0.00 99.44 01:40:24 1 0.05 0.00 0.13 0.01 0.00 99.80 01:50:24 all 0.42 0.00 0.16 0.03 0.00 99.39 01:50:24 0 0.59 0.00 0.14 0.02 0.00 99.25 01:50:24 1 0.25 0.00 0.18 0.03 0.00 99.53 02:00:01 all 0.28 0.00 0.21 0.01 0.00 99.50 02:00:01 0 0.37 0.00 0.19 0.01 0.00 99.43 02:00:01 1 0.19 0.00 0.22 0.02 0.00 99.57 02:10:24 all 0.27 0.00 0.11 0.01 0.00 99.61 02:10:24 0 0.22 0.00 0.10 0.00 0.00 99.68 02:10:24 1 0.32 0.00 0.12 0.02 0.00 99.54 02:20:24 all 0.27 0.00 0.10 0.01 0.01 99.61 02:20:24 0 0.07 0.00 0.11 0.00 0.01 99.82 02:20:24 1 0.47 0.00 0.10 0.02 0.01 99.40 02:30:01 all 0.29 0.00 0.19 0.01 0.00 99.51 02:30:01 0 0.09 0.00 0.21 0.01 0.01 99.69 02:30:01 1 0.50 0.00 0.16 0.01 0.00 99.32 02:40:22 all 0.26 0.00 0.11 0.01 0.00 99.61 02:40:22 0 0.07 0.00 0.13 0.02 0.01 99.78 02:40:22 1 0.46 0.00 0.09 0.00 0.00 99.44 02:50:24 all 12.87 0.00 2.39 0.85 0.02 83.86 02:50:24 0 17.17 0.00 2.66 1.00 0.02 79.15 02:50:24 1 8.59 0.00 2.12 0.71 0.02 88.57 Average: all 1.56 0.00 0.37 0.10 0.01 97.97 Average: 0 2.00 0.00 0.39 0.11 0.01 97.49 Average: 1 1.12 0.00 0.35 0.08 0.01 98.45