---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3645 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: 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 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 799 5028 4 2415 7142 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:63:d2:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81411sec preferred_lft 81411sec inet6 fe80::f816:3eff:fe63:d218/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3645) 08/09/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 2.67 0.71 1.92 0.04 94.06 79.57 263.16 01:10:01 1.32 0.00 1.31 0.02 0.00 15.39 5.47 01:20:01 14.68 0.00 1.43 13.25 0.16 16.72 109033.93 01:30:01 1.53 0.00 1.51 0.02 0.00 18.33 0.39 01:40:01 18.90 1.58 16.40 0.92 114.59 2204.07 186.86 01:50:01 26.47 14.74 10.35 1.38 258.29 1325.42 293.99 02:00:01 1.69 0.00 1.66 0.02 0.00 81.49 0.41 Average: 9.61 2.44 4.94 2.23 66.90 534.51 15687.30 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6248832 7524148 296276 3.64 31380 1449468 530680 5.78 451168 1202280 128 01:10:01 6248608 7524440 295984 3.64 31584 1449776 530948 5.78 451808 1202792 240 01:20:01 6256420 7532816 287572 3.54 31764 1450148 530948 5.78 451896 1203316 244 01:30:01 6255224 7532280 288080 3.54 31948 1450604 531044 5.78 452104 1203828 240 01:40:01 5423416 7360792 419652 5.16 71548 2037292 641936 6.99 594540 1813452 43368 01:50:01 5130480 7399252 358868 4.41 90036 2330636 649036 7.07 598020 2095824 1020 02:00:01 5092876 7379364 378692 4.66 90176 2348196 651948 7.10 601008 2113536 164 Average: 5807979 7464727 332161 4.08 54062 1788017 580934 6.33 514363 1547861 6486 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.90 0.25 3.23 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.99 0.08 6.48 0.06 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 0.48 0.09 0.13 0.07 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 0.45 0.18 0.12 0.53 0.00 0.00 0.00 0.00 01:40:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 34.40 22.58 278.02 5.88 0.00 0.00 0.00 0.00 01:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 57.62 43.63 45.67 8.36 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 35.45 34.55 8.41 5.04 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.62 14.48 48.85 2.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3645) 08/09/26 _x86_64_ (2 CPU) 00:41:04 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.38 0.00 0.22 0.04 0.05 99.31 01:00:09 0 0.50 0.00 0.20 0.04 0.04 99.22 01:00:09 1 0.26 0.00 0.24 0.04 0.05 99.41 01:10:01 all 0.25 0.00 0.08 0.01 0.05 99.61 01:10:01 0 0.44 0.00 0.06 0.02 0.04 99.44 01:10:01 1 0.07 0.00 0.09 0.01 0.06 99.78 01:20:01 all 0.23 0.00 0.09 0.04 0.05 99.58 01:20:01 0 0.06 0.00 0.10 0.02 0.06 99.76 01:20:01 1 0.41 0.00 0.08 0.06 0.04 99.41 01:30:01 all 0.29 0.00 0.15 0.01 0.04 99.51 01:30:01 0 0.10 0.00 0.16 0.01 0.06 99.67 01:30:01 1 0.47 0.00 0.14 0.02 0.03 99.34 01:40:01 all 6.24 0.00 1.01 0.47 0.06 92.23 01:40:01 0 5.68 0.00 0.94 0.68 0.07 92.63 01:40:01 1 6.80 0.00 1.08 0.26 0.04 91.82 01:50:01 all 9.07 0.19 1.38 0.38 0.10 88.88 01:50:01 0 10.93 0.25 1.45 0.47 0.11 86.79 01:50:01 1 7.22 0.13 1.32 0.29 0.09 90.96 02:00:01 all 5.52 0.00 0.67 0.01 0.11 93.68 02:00:01 0 2.84 0.00 0.63 0.02 0.10 96.41 02:00:01 1 8.21 0.00 0.72 0.01 0.12 90.95 Average: all 3.12 0.03 0.51 0.14 0.06 96.14 Average: 0 2.91 0.04 0.50 0.18 0.07 96.30 Average: 1 3.33 0.02 0.52 0.10 0.06 95.97