---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8518 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 807 5093 4 2335 7134 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:4f:94:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80802sec preferred_lft 80802sec inet6 fe80::f816:3eff:fe4f:94b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8518) 09/16/26 _x86_64_ (2 CPU) 01:05:20 LINUX RESTART (2 CPU) 01:10:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:42 1.34 0.03 1.31 0.00 1.25 15.43 0.21 01:30:22 1.59 0.01 1.57 0.02 0.06 18.68 662.30 01:40:32 1.33 0.00 1.33 0.00 0.00 15.33 0.21 01:50:44 1.34 0.00 1.34 0.00 0.00 15.51 0.00 02:00:22 1.63 0.00 1.62 0.01 0.00 18.82 665.18 02:10:44 2.11 0.33 1.76 0.01 43.50 103.57 9.79 02:20:32 1.40 0.00 1.38 0.02 0.00 15.96 45.95 02:30:44 1.58 0.00 1.55 0.03 0.00 18.20 466.43 Average: 1.54 0.05 1.48 0.01 5.80 28.07 226.38 01:10:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:42 6300676 7547692 272420 3.35 30628 1423244 522740 5.69 446560 1184240 164 01:30:22 6280244 7527800 292320 3.59 30828 1423584 522412 5.69 446644 1184768 192 01:40:32 6278604 7526652 293508 3.61 30984 1423904 522412 5.69 446732 1185256 116 01:50:44 6278288 7526836 293320 3.61 31160 1424224 522412 5.69 446796 1185752 124 02:00:22 6282084 7531228 288816 3.55 31324 1424684 522528 5.69 447072 1186212 172 02:10:44 6204268 7493916 325292 4.00 31952 1464016 716008 7.80 465716 1215676 232 02:20:32 6220144 7510316 308864 3.80 32144 1464340 716008 7.80 465736 1216192 212 02:30:44 6224092 7514864 304212 3.74 32372 1464672 743300 8.10 468688 1216760 172 Average: 6258550 7522413 297344 3.66 31424 1439084 598478 6.52 454243 1196857 173 01:10:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:42 ens3 0.79 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 0.47 0.06 0.35 0.03 0.00 0.00 0.00 0.00 01:40:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:32 ens3 0.52 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:50:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:44 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:10:44 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:10:44 ens3 0.51 0.27 3.20 0.03 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:30:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:44 ens3 0.39 0.27 0.07 0.58 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 0.43 0.11 0.51 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8518) 09/16/26 _x86_64_ (2 CPU) 01:05:20 LINUX RESTART (2 CPU) 01:10:42 CPU %user %nice %system %iowait %steal %idle 01:20:42 all 0.28 0.00 0.10 0.01 0.00 99.60 01:20:42 0 0.29 0.00 0.10 0.02 0.00 99.59 01:20:42 1 0.28 0.00 0.10 0.01 0.01 99.62 01:30:22 all 0.27 0.00 0.19 0.01 0.00 99.52 01:30:22 0 0.45 0.00 0.17 0.02 0.00 99.37 01:30:22 1 0.09 0.00 0.22 0.01 0.01 99.67 01:40:32 all 0.28 0.00 0.07 0.01 0.00 99.64 01:40:32 0 0.47 0.00 0.05 0.02 0.00 99.46 01:40:32 1 0.08 0.00 0.10 0.01 0.00 99.81 01:50:44 all 0.24 0.00 0.09 0.01 0.00 99.66 01:50:44 0 0.25 0.00 0.08 0.02 0.00 99.65 01:50:44 1 0.23 0.00 0.09 0.01 0.00 99.67 02:00:22 all 0.27 0.00 0.18 0.01 0.00 99.54 02:00:22 0 0.33 0.00 0.18 0.01 0.00 99.48 02:00:22 1 0.21 0.00 0.17 0.02 0.00 99.60 02:10:44 all 0.45 0.00 0.14 0.03 0.00 99.38 02:10:44 0 0.48 0.00 0.17 0.04 0.00 99.31 02:10:44 1 0.42 0.00 0.12 0.02 0.00 99.44 02:20:32 all 0.26 0.00 0.09 0.04 0.00 99.60 02:20:32 0 0.06 0.00 0.12 0.01 0.00 99.81 02:20:32 1 0.45 0.00 0.07 0.08 0.00 99.40 02:30:44 all 0.30 0.00 0.19 0.01 0.01 99.49 02:30:44 0 0.11 0.00 0.21 0.01 0.01 99.66 02:30:44 1 0.49 0.00 0.16 0.01 0.01 99.33 Average: all 0.29 0.00 0.13 0.02 0.00 99.55 Average: 0 0.30 0.00 0.14 0.02 0.00 99.54 Average: 1 0.28 0.00 0.13 0.02 0.00 99.57