---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6989 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 771 5149 4 2314 7170 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:fd:f7:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80351sec preferred_lft 80351sec inet6 fe80::f816:3eff:fefd:f76c/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-6989) 09/11/26 _x86_64_ (2 CPU) 01:05:08 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.18 0.03 1.16 0.00 1.28 14.55 0.01 01:30:12 1.41 0.01 1.37 0.03 0.05 17.44 209.54 01:40:01 1.80 0.33 1.44 0.02 44.33 105.62 20.48 01:50:01 1.21 0.00 1.21 0.00 0.00 14.70 0.00 02:00:12 14.44 0.00 1.46 12.98 0.14 17.90 107608.23 02:10:01 1.18 0.00 1.18 0.00 0.00 14.39 0.00 02:20:01 1.27 0.00 1.27 0.00 0.00 14.93 0.00 02:30:12 1.51 0.00 1.49 0.01 0.00 17.83 628.41 02:40:01 29.90 2.89 24.28 2.74 227.49 4264.04 4447.92 Average: 5.96 0.36 3.83 1.78 29.85 489.74 12786.84 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6286712 7533432 286548 3.52 30616 1422984 531976 5.79 439676 1183920 252 01:30:12 6286924 7534268 285736 3.51 30852 1423352 530504 5.78 439316 1184520 192 01:40:01 6234492 7521740 297384 3.66 31484 1462124 723920 7.88 457512 1213844 124 01:50:01 6241088 7528844 290260 3.57 31660 1462448 723984 7.89 457676 1214344 220 02:00:12 6235140 7523676 295248 3.63 31852 1462988 723984 7.89 457980 1214920 268 02:10:01 6233668 7522660 296296 3.64 32012 1463280 724048 7.89 458040 1215372 280 02:20:01 6232912 7522380 296568 3.65 32164 1463600 724048 7.89 458072 1215844 248 02:30:12 6238300 7528336 290600 3.57 32344 1463972 724048 7.89 458080 1216396 240 02:40:01 5211612 7436548 329020 4.05 87512 2298120 750804 8.18 548632 2060344 8412 Average: 6133428 7516876 296407 3.64 37833 1546985 684146 7.45 463887 1302167 1137 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.78 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.82 0.06 7.01 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.68 0.32 3.44 0.08 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 0.52 0.30 0.09 0.65 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.29 0.04 0.05 0.03 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 0.20 0.03 0.03 0.01 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 0.23 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.21 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 66.79 49.17 326.91 11.31 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.71 5.47 36.92 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6989) 09/11/26 _x86_64_ (2 CPU) 01:05:08 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.33 0.00 0.12 0.01 0.01 99.53 01:20:01 0 0.52 0.00 0.09 0.00 0.01 99.38 01:20:01 1 0.15 0.00 0.14 0.02 0.01 99.68 01:30:12 all 0.31 0.00 0.20 0.01 0.01 99.47 01:30:12 0 0.52 0.00 0.17 0.00 0.01 99.30 01:30:12 1 0.10 0.00 0.23 0.02 0.01 99.63 01:40:01 all 0.42 0.00 0.16 0.03 0.01 99.39 01:40:01 0 0.31 0.00 0.17 0.03 0.01 99.48 01:40:01 1 0.53 0.00 0.15 0.02 0.01 99.29 01:50:01 all 0.27 0.00 0.11 0.01 0.01 99.60 01:50:01 0 0.25 0.00 0.12 0.00 0.01 99.62 01:50:01 1 0.29 0.00 0.10 0.02 0.01 99.58 02:00:12 all 0.25 0.00 0.23 0.04 0.01 99.47 02:00:12 0 0.11 0.00 0.23 0.07 0.01 99.59 02:00:12 1 0.39 0.00 0.24 0.02 0.01 99.35 02:10:01 all 0.23 0.00 0.09 0.01 0.01 99.66 02:10:01 0 0.05 0.00 0.12 0.02 0.01 99.80 02:10:01 1 0.41 0.00 0.06 0.00 0.01 99.51 02:20:01 all 0.27 0.00 0.08 0.08 0.01 99.56 02:20:01 0 0.06 0.00 0.11 0.13 0.01 99.70 02:20:01 1 0.49 0.00 0.06 0.03 0.01 99.42 02:30:12 all 0.27 0.00 0.18 0.22 0.01 99.32 02:30:12 0 0.07 0.00 0.20 0.38 0.01 99.34 02:30:12 1 0.47 0.00 0.16 0.06 0.01 99.30 02:40:01 all 13.74 0.00 2.32 19.28 0.04 64.62 02:40:01 0 12.53 0.00 2.19 17.42 0.04 67.82 02:40:01 1 14.94 0.00 2.45 21.14 0.04 61.42 Average: all 1.76 0.00 0.38 2.15 0.01 95.69 Average: 0 1.58 0.00 0.37 1.97 0.01 96.06 Average: 1 1.95 0.00 0.40 2.33 0.01 95.31