---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57869 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 769 5162 4 2303 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:3a:8d:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80488sec preferred_lft 80488sec inet6 fe80::f816:3eff:fe3a:8d72/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57869) 09/24/26 _x86_64_ (2 CPU) 01:04:44 LINUX RESTART (2 CPU) 01:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:08 1.23 0.03 1.19 0.00 1.27 15.01 4.97 01:30:08 14.71 0.00 1.46 13.25 0.15 18.81 109856.73 01:40:08 1.15 0.00 1.14 0.02 0.00 14.37 44.84 01:50:01 1.06 0.00 1.05 0.02 0.00 13.77 45.35 02:00:08 1.50 0.00 1.47 0.03 0.00 19.08 892.44 02:10:08 1.29 0.00 1.27 0.02 0.00 15.72 49.73 02:20:01 1.32 0.00 1.30 0.02 0.00 15.97 45.32 02:30:08 1.69 0.00 1.66 0.03 0.00 20.45 682.15 02:40:08 26.32 2.83 21.23 2.26 223.61 3523.17 1294.11 Average: 5.59 0.32 3.53 1.74 25.00 406.28 12547.99 01:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:08 6226952 7514228 304932 3.75 31100 1462520 735420 8.01 470944 1213100 212 01:30:08 6229948 7517880 301244 3.70 31356 1462888 735632 8.01 471412 1213696 56 01:40:08 6237040 7525504 293616 3.61 31548 1463224 735780 8.01 471960 1214224 164 01:50:01 6245644 7534772 284324 3.50 31764 1463672 735844 8.01 472180 1214752 300 02:00:08 6225816 7515536 303544 3.73 31996 1464004 735908 8.02 472196 1215324 172 02:10:08 6233152 7523404 295696 3.64 32196 1464332 735908 8.02 472340 1215848 168 02:20:01 6232648 7523444 295640 3.64 32404 1464660 735908 8.02 472352 1216388 288 02:30:08 6235704 7527064 291956 3.59 32624 1464988 735908 8.02 472380 1216936 172 02:40:08 5160284 7398892 366640 4.51 88408 2310732 838768 9.14 605588 2073096 176 Average: 6114132 7508969 304177 3.74 38155 1557891 747231 8.14 486817 1310374 190 01:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.71 0.08 0.10 0.03 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.96 0.11 8.57 0.08 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.60 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.28 0.16 0.04 0.47 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 0.31 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.24 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.25 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:40:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:08 ens3 113.87 82.13 335.03 18.10 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 13.04 9.19 38.23 2.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57869) 09/24/26 _x86_64_ (2 CPU) 01:04:44 LINUX RESTART (2 CPU) 01:10:08 CPU %user %nice %system %iowait %steal %idle 01:20:08 all 0.27 0.00 0.09 0.01 0.01 99.62 01:20:08 0 0.44 0.00 0.06 0.01 0.00 99.48 01:20:08 1 0.09 0.00 0.13 0.02 0.01 99.75 01:30:08 all 0.33 0.00 0.23 0.05 0.01 99.39 01:30:08 0 0.11 0.00 0.25 0.05 0.01 99.59 01:30:08 1 0.55 0.00 0.21 0.04 0.01 99.19 01:40:08 all 0.29 0.00 0.09 0.01 0.01 99.60 01:40:08 0 0.07 0.00 0.13 0.01 0.01 99.78 01:40:08 1 0.51 0.00 0.06 0.01 0.00 99.41 01:50:01 all 0.27 0.00 0.08 0.01 0.01 99.63 01:50:01 0 0.26 0.00 0.09 0.00 0.01 99.65 01:50:01 1 0.29 0.00 0.07 0.02 0.01 99.61 02:00:08 all 0.25 0.00 0.19 0.01 0.00 99.54 02:00:08 0 0.07 0.00 0.23 0.01 0.00 99.68 02:00:08 1 0.42 0.00 0.16 0.02 0.00 99.40 02:10:08 all 0.27 0.00 0.08 0.01 0.00 99.63 02:10:08 0 0.05 0.00 0.11 0.02 0.01 99.82 02:10:08 1 0.50 0.00 0.06 0.00 0.00 99.44 02:20:01 all 0.24 0.00 0.09 0.01 0.01 99.65 02:20:01 0 0.19 0.00 0.10 0.01 0.01 99.70 02:20:01 1 0.29 0.00 0.07 0.02 0.01 99.61 02:30:08 all 0.27 0.00 0.18 0.01 0.00 99.53 02:30:08 0 0.45 0.00 0.16 0.00 0.00 99.38 02:30:08 1 0.09 0.00 0.20 0.02 0.01 99.68 02:40:08 all 14.30 0.00 2.36 0.69 0.02 82.63 02:40:08 0 16.22 0.00 2.58 0.82 0.02 80.36 02:40:08 1 12.38 0.00 2.14 0.55 0.02 84.90 Average: all 1.83 0.00 0.38 0.09 0.01 97.69 Average: 0 1.99 0.00 0.41 0.10 0.01 97.49 Average: 1 1.68 0.00 0.34 0.08 0.01 97.89