---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7693 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: 5600.00 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 9.8G 28G 26% / 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 923 3159 4 4170 7018 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:01:cd:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83754sec preferred_lft 83754sec inet6 fe80::f816:3eff:fe01:cd54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7693) 09/12/26 _x86_64_ (2 CPU) 23:07:11 LINUX RESTART (2 CPU) 23:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:19 8.45 1.34 6.50 0.61 107.21 1167.95 576.43 23:30:01 2.34 0.34 1.95 0.04 44.42 574.05 1.77 23:40:29 1.45 0.00 1.41 0.04 0.00 253.70 7.37 23:50:21 5.37 0.05 4.73 0.60 1.85 5517.85 2360.26 Average: 4.40 0.43 3.64 0.32 38.29 1855.53 727.96 23:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:19 4994496 7246008 520232 6.40 88280 2324008 872636 9.50 746932 2096752 2340 23:30:01 4819308 7246344 516064 6.35 88736 2496724 1046040 11.39 730852 2259840 1560 23:40:29 4622960 7126644 634476 7.80 88924 2572116 1182596 12.88 867072 2335428 2328 23:50:21 3317784 7259804 490340 6.03 90284 3989036 914100 9.96 740316 3753420 24264 Average: 4438637 7219700 540278 6.64 89056 2845471 1003843 10.93 771293 2611360 7623 23:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 23:20:19 ens3 110.82 100.33 55.93 11.90 0.00 0.00 0.00 0.00 23:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 23:30:01 ens3 173.82 168.06 117.55 15.56 0.00 0.00 0.00 0.00 23:40:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:40:29 ens3 120.70 118.13 34.84 10.79 0.00 0.00 0.00 0.00 23:50:21 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 23:50:21 ens3 195.43 173.55 575.90 111.05 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 149.39 139.30 193.07 36.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7693) 09/12/26 _x86_64_ (2 CPU) 23:07:11 LINUX RESTART (2 CPU) 23:10:09 CPU %user %nice %system %iowait %steal %idle 23:20:19 all 21.14 0.00 15.92 0.13 0.05 62.76 23:20:19 0 22.73 0.00 17.73 0.11 0.04 59.38 23:20:19 1 19.56 0.00 14.10 0.15 0.05 66.14 23:30:01 all 26.25 0.00 8.75 0.03 0.05 64.92 23:30:01 0 27.99 0.00 8.93 0.02 0.05 63.01 23:30:01 1 24.53 0.00 8.57 0.04 0.05 66.82 23:40:29 all 20.55 0.00 8.04 0.01 0.05 71.35 23:40:29 0 16.94 0.00 7.14 0.00 0.05 75.87 23:40:29 1 24.18 0.00 8.96 0.01 0.04 66.81 23:50:21 all 34.66 0.00 5.85 0.17 0.05 59.27 23:50:21 0 37.90 0.00 6.12 0.18 0.04 55.75 23:50:21 1 31.48 0.00 5.58 0.15 0.05 62.74 Average: all 25.53 0.00 9.68 0.08 0.05 64.66 Average: 0 26.17 0.00 10.02 0.08 0.05 63.68 Average: 1 24.89 0.00 9.33 0.09 0.05 65.64