---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-762 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 8.0G 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 772 5179 4 2284 7169 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:43:88:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80539sec preferred_lft 80539sec inet6 fe80::f816:3eff:fe43:8881/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-762) 09/06/26 _x86_64_ (2 CPU) 01:11:32 LINUX RESTART (2 CPU) 01:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:01 1.55 0.01 1.52 0.03 0.05 19.46 1.12 01:40:01 1.27 0.00 1.26 0.01 0.00 15.65 1.49 01:50:13 1.36 0.00 1.34 0.02 0.00 16.41 2.02 02:00:01 2.16 0.34 1.78 0.04 44.39 109.52 234.42 02:10:01 1.35 0.00 1.33 0.02 0.00 15.80 49.72 02:20:13 1.39 0.00 1.38 0.01 0.00 16.34 24.38 02:30:01 1.44 0.00 1.42 0.02 0.00 17.81 869.99 02:40:01 1.22 0.00 1.22 0.00 0.00 14.92 0.00 Average: 1.47 0.04 1.41 0.02 5.44 28.00 145.24 01:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 6271816 7518652 301768 3.71 30676 1422812 537300 5.85 452880 1184080 272 01:40:01 6278396 7525736 294668 3.62 30876 1423140 537364 5.85 452796 1184580 244 01:50:13 6278396 7526320 294096 3.62 31096 1423464 537364 5.85 452968 1185156 124 02:00:01 6227356 7515168 304372 3.74 31776 1462152 729624 7.95 471008 1214440 240 02:10:01 6230184 7518668 300860 3.70 31980 1462612 729624 7.95 471468 1214976 236 02:20:13 6229004 7518016 301484 3.71 32184 1462940 729624 7.95 471524 1215500 184 02:30:01 6234032 7523584 295864 3.64 32364 1463272 729688 7.95 471552 1216020 244 02:40:01 6229776 7519820 299604 3.68 32524 1463600 730360 7.96 472244 1216508 276 Average: 6247370 7520746 299090 3.68 31684 1447999 657618 7.16 464555 1203908 228 01:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.64 0.09 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 0.65 0.05 0.26 0.03 0.00 0.00 0.00 0.00 01:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 0.46 0.09 0.09 0.05 0.00 0.00 0.00 0.00 02:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.79 0.39 3.40 0.06 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 0.38 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.31 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.26 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.45 0.17 0.08 0.60 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 0.12 0.49 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-762) 09/06/26 _x86_64_ (2 CPU) 01:11:32 LINUX RESTART (2 CPU) 01:20:01 CPU %user %nice %system %iowait %steal %idle 01:30:01 all 0.31 0.00 0.21 0.01 0.00 99.46 01:30:01 0 0.40 0.00 0.18 0.01 0.00 99.41 01:30:01 1 0.23 0.00 0.24 0.02 0.01 99.51 01:40:01 all 0.23 0.00 0.11 0.01 0.00 99.65 01:40:01 0 0.40 0.00 0.07 0.00 0.00 99.52 01:40:01 1 0.07 0.00 0.14 0.02 0.00 99.77 01:50:13 all 0.28 0.00 0.08 0.01 0.01 99.62 01:50:13 0 0.50 0.00 0.04 0.01 0.00 99.45 01:50:13 1 0.07 0.00 0.12 0.02 0.01 99.79 02:00:01 all 0.44 0.00 0.24 0.03 0.00 99.30 02:00:01 0 0.53 0.00 0.27 0.02 0.00 99.16 02:00:01 1 0.34 0.00 0.20 0.03 0.00 99.43 02:10:01 all 0.28 0.00 0.10 0.01 0.00 99.61 02:10:01 0 0.33 0.00 0.09 0.01 0.00 99.57 02:10:01 1 0.23 0.00 0.10 0.02 0.01 99.64 02:20:13 all 0.26 0.00 0.09 0.02 0.00 99.62 02:20:13 0 0.46 0.00 0.06 0.01 0.00 99.47 02:20:13 1 0.06 0.00 0.13 0.03 0.00 99.78 02:30:01 all 0.31 0.00 0.22 0.01 0.01 99.46 02:30:01 0 0.31 0.00 0.20 0.02 0.01 99.48 02:30:01 1 0.31 0.00 0.24 0.01 0.01 99.44 02:40:01 all 0.29 0.00 0.13 0.01 0.00 99.56 02:40:01 0 0.12 0.00 0.14 0.02 0.01 99.71 02:40:01 1 0.47 0.00 0.11 0.00 0.00 99.42 Average: all 0.30 0.00 0.14 0.01 0.00 99.54 Average: 0 0.38 0.00 0.13 0.01 0.00 99.47 Average: 1 0.22 0.00 0.16 0.02 0.00 99.60