---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8315 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: 5600.00 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 768 5090 4 2384 7173 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:d6:23:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80802sec preferred_lft 80802sec inet6 fe80::f816:3eff:fed6:231b/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-8315) 09/15/26 _x86_64_ (2 CPU) 01:06:44 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:27 14.97 13.01 1.91 0.05 147.53 43.23 16.27 01:30:07 1.44 0.01 1.41 0.03 0.04 17.90 41.54 01:40:01 1.13 0.00 1.12 0.01 0.00 13.96 40.18 01:50:07 1.19 0.00 1.19 0.00 0.00 14.26 0.00 02:00:27 1.43 0.00 1.42 0.02 0.00 17.50 0.32 02:10:01 1.18 0.00 1.18 0.00 0.00 14.42 0.00 02:20:27 1.19 0.00 1.19 0.00 0.00 14.42 0.00 02:30:27 14.78 0.00 1.49 13.28 0.15 18.49 108944.67 Average: 4.72 1.69 1.37 1.67 19.17 19.40 13556.05 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:27 6177700 7521156 289288 3.56 34852 1506420 723904 7.88 469452 1260252 136 01:30:07 6168812 7512844 297516 3.66 35056 1506760 723968 7.89 469496 1260788 236 01:40:01 6176624 7521160 289196 3.56 35240 1507072 724120 7.89 469572 1261284 160 01:50:07 6176372 7521400 288972 3.55 35392 1507400 724144 7.89 469680 1261772 104 02:00:27 6171764 7517468 292820 3.60 35592 1507860 725820 7.91 471168 1262304 128 02:10:01 6178316 7524520 285820 3.51 35760 1508184 724324 7.89 472264 1262796 160 02:20:27 6181872 7528560 281768 3.46 35912 1508512 724324 7.89 472312 1263276 128 02:30:27 6169820 7517104 293188 3.61 36100 1508888 724324 7.89 472344 1263812 128 Average: 6175160 7520526 289821 3.56 35488 1507637 724366 7.89 470786 1262036 148 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:27 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 1.55 0.10 0.29 0.06 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 0.48 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.58 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.30 0.04 0.05 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.30 0.18 0.05 0.53 0.00 0.00 0.00 0.00 02:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:27 ens3 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.21 0.02 0.03 0.01 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.49 0.07 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8315) 09/15/26 _x86_64_ (2 CPU) 01:06:44 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:27 all 0.38 0.16 0.20 0.18 0.01 99.07 01:20:27 0 0.16 0.28 0.26 0.27 0.01 99.01 01:20:27 1 0.59 0.05 0.13 0.09 0.01 99.13 01:30:07 all 0.32 0.00 0.23 0.01 0.01 99.43 01:30:07 0 0.24 0.00 0.24 0.02 0.01 99.49 01:30:07 1 0.39 0.00 0.22 0.00 0.01 99.38 01:40:01 all 0.27 0.00 0.10 0.01 0.01 99.62 01:40:01 0 0.06 0.00 0.12 0.02 0.01 99.79 01:40:01 1 0.48 0.00 0.07 0.00 0.01 99.44 01:50:07 all 0.27 0.00 0.09 0.01 0.01 99.61 01:50:07 0 0.05 0.00 0.13 0.02 0.01 99.79 01:50:07 1 0.50 0.00 0.06 0.00 0.01 99.43 02:00:27 all 0.29 0.00 0.23 0.01 0.01 99.46 02:00:27 0 0.08 0.00 0.26 0.01 0.01 99.64 02:00:27 1 0.50 0.00 0.20 0.02 0.01 99.27 02:10:01 all 0.32 0.00 0.11 0.01 0.01 99.55 02:10:01 0 0.15 0.00 0.14 0.00 0.01 99.70 02:10:01 1 0.48 0.00 0.09 0.02 0.01 99.40 02:20:27 all 0.24 0.00 0.09 0.01 0.01 99.64 02:20:27 0 0.23 0.00 0.10 0.01 0.01 99.66 02:20:27 1 0.26 0.00 0.08 0.01 0.01 99.63 02:30:27 all 0.30 0.00 0.21 0.05 0.01 99.42 02:30:27 0 0.28 0.00 0.22 0.09 0.01 99.40 02:30:27 1 0.32 0.00 0.21 0.01 0.01 99.45 Average: all 0.30 0.02 0.16 0.04 0.01 99.47 Average: 0 0.16 0.04 0.18 0.06 0.01 99.56 Average: 1 0.44 0.01 0.13 0.02 0.01 99.39