---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61472 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 8.1G 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 776 5045 4 2414 7164 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:4d:d3:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80306sec preferred_lft 80306sec inet6 fe80::f816:3eff:fe4d:d378/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61472) 10/03/26 _x86_64_ (2 CPU) 00:45:31 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 23.83 3.10 18.51 2.23 260.93 2903.85 703.56 01:10:29 3.65 0.02 3.59 0.04 1.11 667.84 3.51 01:20:01 1.31 0.00 1.29 0.02 0.01 21.80 1.04 01:30:29 1.47 0.00 1.43 0.03 0.00 125.60 1.96 01:40:28 1.50 0.00 1.42 0.08 0.00 19.08 402.35 01:50:01 1.57 0.00 1.49 0.08 0.00 19.57 420.17 02:00:29 1.77 0.00 1.70 0.07 0.00 25.57 1138.61 02:10:29 1.41 0.01 1.39 0.02 0.20 54.69 2.77 02:20:01 1.31 0.00 1.30 0.01 0.00 22.17 0.17 Average: 4.28 0.36 3.63 0.29 29.92 439.51 302.98 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 5103760 7342984 422212 5.19 87780 2311712 842532 9.18 631160 2073876 185196 01:10:29 5081620 7331000 434108 5.34 87996 2321728 856108 9.32 617124 2083972 168 01:20:01 5047112 7298484 466616 5.74 88148 2323556 889172 9.68 649456 2085968 248 01:30:29 5055376 7341304 423492 5.21 88364 2357736 868592 9.46 629100 2120292 204 01:40:28 5055768 7342544 422236 5.19 88580 2358364 868592 9.46 629160 2121132 180 01:50:01 5055316 7343036 421740 5.19 88756 2359116 868592 9.46 629484 2121936 304 02:00:29 4980328 7269708 495060 6.09 88908 2360592 931456 10.15 684044 2123444 124 02:10:29 4999140 7300384 464212 5.71 89056 2372148 893484 9.73 653976 2135148 124 02:20:01 4990800 7294188 470372 5.78 89184 2374140 893568 9.73 654032 2137264 312 Average: 5041024 7318181 446672 5.49 88530 2348788 879122 9.58 641948 2111448 20762 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:00:18 ens3 55.65 37.05 318.25 7.78 0.00 0.00 0.00 0.00 01:10:29 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 40.89 30.02 295.28 5.63 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 10.44 7.74 64.70 1.02 0.00 0.00 0.00 0.00 01:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:29 ens3 3.08 1.86 35.07 0.20 0.00 0.00 0.00 0.00 01:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:28 ens3 3.28 1.73 5.23 0.26 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 2.92 1.74 0.42 0.28 0.00 0.00 0.00 0.00 02:00:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 8.88 8.04 114.87 0.93 0.00 0.00 0.00 0.00 02:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:29 ens3 12.82 12.06 130.83 1.66 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 13.86 13.55 234.28 1.20 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 17.04 12.75 134.01 2.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61472) 10/03/26 _x86_64_ (2 CPU) 00:45:31 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 11.17 0.00 1.92 0.55 0.01 86.34 01:00:18 0 10.26 0.00 1.77 0.75 0.01 87.21 01:00:18 1 12.07 0.00 2.08 0.36 0.02 85.48 01:10:29 all 1.46 0.00 0.50 0.02 0.01 98.02 01:10:29 0 1.97 0.00 0.64 0.02 0.01 97.36 01:10:29 1 0.95 0.00 0.36 0.01 0.00 98.68 01:20:01 all 0.84 0.00 0.24 0.01 0.01 98.90 01:20:01 0 0.71 0.00 0.18 0.00 0.01 99.10 01:20:01 1 0.98 0.00 0.29 0.02 0.01 98.70 01:30:29 all 0.74 0.00 0.25 0.01 0.04 98.96 01:30:29 0 0.62 0.00 0.23 0.00 0.00 99.14 01:30:29 1 0.88 0.00 0.28 0.02 0.08 98.75 01:40:28 all 0.52 0.00 0.16 0.01 0.01 99.30 01:40:28 0 0.46 0.00 0.19 0.01 0.01 99.34 01:40:28 1 0.57 0.00 0.13 0.02 0.01 99.27 01:50:01 all 0.53 0.00 0.16 0.01 0.00 99.30 01:50:01 0 0.56 0.00 0.19 0.00 0.01 99.24 01:50:01 1 0.51 0.00 0.12 0.02 0.00 99.36 02:00:29 all 0.77 0.00 0.31 0.01 0.01 98.90 02:00:29 0 0.71 0.00 0.33 0.00 0.00 98.96 02:00:29 1 0.83 0.00 0.29 0.02 0.01 98.85 02:10:29 all 1.63 0.00 0.33 0.01 0.01 98.02 02:10:29 0 2.63 0.00 0.44 0.01 0.01 96.91 02:10:29 1 0.64 0.00 0.22 0.02 0.01 99.12 02:20:01 all 0.88 0.00 0.31 0.01 0.01 98.78 02:20:01 0 1.02 0.00 0.45 0.00 0.01 98.51 02:20:01 1 0.74 0.00 0.18 0.02 0.01 99.05 Average: all 2.11 0.00 0.47 0.07 0.01 97.33 Average: 0 2.14 0.00 0.50 0.09 0.01 97.27 Average: 1 2.08 0.00 0.45 0.06 0.01 97.39