---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34112 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 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 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 739 5215 4 2279 7202 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:ec:61:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81552sec preferred_lft 81552sec inet6 fe80::f816:3eff:feec:61a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34112) 08/11/26 _x86_64_ (2 CPU) 00:36:20 LINUX RESTART (2 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:11 14.54 0.03 1.32 13.20 1.38 15.81 108707.72 01:00:12 1.54 0.03 1.49 0.01 2.20 18.21 2.57 01:10:13 1.21 0.00 1.21 0.00 0.00 14.34 2.30 01:20:14 1.24 0.00 1.24 0.00 0.01 14.60 0.00 01:30:09 1.46 0.00 1.45 0.01 0.00 16.91 0.23 01:40:17 2.28 0.70 1.57 0.01 93.96 74.56 57.72 01:50:01 18.45 1.50 16.00 0.95 111.01 2073.12 234.40 Average: 5.77 0.32 3.42 2.03 29.63 311.51 15651.98 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:11 6298584 7545332 275900 3.39 30904 1421596 532392 5.80 439020 1183988 152 01:00:12 6296692 7544636 276496 3.40 31116 1422568 532592 5.80 439776 1184604 164 01:10:13 6303616 7552048 269100 3.31 31264 1422892 532680 5.80 440880 1185084 124 01:20:14 6304964 7553888 267240 3.29 31420 1423216 532680 5.80 441116 1185564 136 01:30:09 6293892 7543436 277684 3.41 31572 1423676 532744 5.80 441148 1186048 124 01:40:17 6250460 7529608 290792 3.58 32024 1452436 532744 5.80 451940 1204632 124 01:50:01 5471568 7408724 371832 4.57 71612 2036948 616976 6.72 571496 1812832 109508 Average: 6174254 7525382 289863 3.56 37130 1514762 544687 5.93 460768 1277536 15762 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:11 ens3 1.58 0.16 0.25 0.11 0.00 0.00 0.00 0.00 01:00:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.54 0.14 0.15 0.08 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.57 0.19 1.54 0.72 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.52 0.11 0.17 0.09 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.26 0.07 0.10 0.06 0.00 0.00 0.00 0.00 01:40:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.68 0.28 3.33 0.11 0.00 0.00 0.00 0.00 01:50:01 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 39.02 23.53 284.84 6.15 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.04 3.42 40.55 1.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34112) 08/11/26 _x86_64_ (2 CPU) 00:36:20 LINUX RESTART (2 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:11 all 0.30 0.00 0.10 0.03 0.03 99.54 00:50:11 0 0.45 0.00 0.09 0.02 0.02 99.41 00:50:11 1 0.15 0.00 0.11 0.04 0.03 99.67 01:00:12 all 0.31 0.00 0.20 0.44 0.03 99.02 01:00:12 0 0.29 0.00 0.21 0.07 0.03 99.40 01:00:12 1 0.33 0.00 0.19 0.82 0.03 98.64 01:10:13 all 0.25 0.00 0.10 0.04 0.03 99.58 01:10:13 0 0.16 0.00 0.10 0.07 0.03 99.64 01:10:13 1 0.33 0.00 0.10 0.00 0.03 99.53 01:20:14 all 0.26 0.00 0.09 0.01 0.02 99.61 01:20:14 0 0.43 0.00 0.07 0.02 0.02 99.46 01:20:14 1 0.08 0.00 0.12 0.01 0.03 99.77 01:30:09 all 0.26 0.00 0.18 0.01 0.02 99.53 01:30:09 0 0.35 0.00 0.15 0.01 0.01 99.47 01:30:09 1 0.17 0.00 0.20 0.01 0.03 99.58 01:40:17 all 0.39 0.00 0.14 0.03 0.02 99.42 01:40:17 0 0.33 0.00 0.11 0.01 0.02 99.52 01:40:17 1 0.44 0.00 0.17 0.05 0.02 99.32 01:50:01 all 7.16 0.00 1.07 0.38 0.05 91.34 01:50:01 0 5.70 0.00 0.96 0.24 0.04 93.06 01:50:01 1 8.62 0.00 1.18 0.53 0.05 89.62 Average: all 1.25 0.00 0.27 0.13 0.03 98.32 Average: 0 1.09 0.00 0.24 0.06 0.02 98.59 Average: 1 1.42 0.00 0.29 0.21 0.03 98.05