---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8310 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 763 5180 4 2291 7178 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:8c:4a:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80612sec preferred_lft 80612sec inet6 fe80::f816:3eff:fe8c:4aff/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-8310) 09/15/26 _x86_64_ (2 CPU) 01:06:41 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.37 0.03 1.34 0.00 1.25 16.21 0.21 01:30:09 14.73 0.01 1.67 13.05 0.20 20.38 108259.77 01:40:01 1.28 0.00 1.27 0.02 0.00 15.42 2.16 01:50:01 1.29 0.00 1.27 0.02 0.00 15.24 2.13 02:00:09 2.16 0.32 1.80 0.04 42.95 107.34 652.92 02:10:01 1.33 0.00 1.31 0.02 0.00 15.74 50.43 02:20:01 1.31 0.00 1.31 0.00 0.00 15.81 0.00 02:30:09 1.62 0.00 1.60 0.02 0.00 19.59 841.32 02:40:01 26.29 2.87 21.03 2.39 226.68 3734.87 1298.65 Average: 5.69 0.35 3.60 1.74 29.85 434.77 12504.86 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6294088 7540080 280328 3.45 30544 1422348 521608 5.68 445076 1183760 160 01:30:09 6296912 7543540 276796 3.40 30772 1422724 521808 5.68 445244 1184336 168 01:40:01 6296688 7543852 276488 3.40 30980 1423048 521808 5.68 445760 1184868 156 01:50:01 6300868 7548556 271780 3.34 31172 1423372 521808 5.68 445544 1185384 156 02:00:09 6221600 7509436 309896 3.81 31860 1462344 715220 7.79 463952 1214824 208 02:10:01 6234004 7522344 296948 3.65 32060 1462668 715284 7.79 464116 1215320 292 02:20:01 6238056 7526948 292356 3.59 32236 1462996 715348 7.79 464268 1215860 324 02:30:09 6234304 7523728 295424 3.63 32424 1463324 715348 7.79 464296 1216376 128 02:40:01 5145272 7373176 392348 4.82 89064 2299500 841704 9.17 613528 2063824 276 Average: 6140199 7514629 299152 3.68 37901 1538036 643326 7.01 472420 1296061 208 01:10:01 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 1.52 0.12 0.26 0.04 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.53 0.11 0.13 0.07 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 0.38 0.08 0.09 0.05 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 0.28 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.57 0.22 3.29 0.05 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 0.29 0.11 0.05 0.48 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 0.20 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:09 ens3 0.18 0.03 0.02 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 117.68 94.13 343.36 27.37 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 13.34 10.40 38.09 3.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8310) 09/15/26 _x86_64_ (2 CPU) 01:06:41 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.30 0.00 0.10 0.01 0.00 99.58 01:20:01 0 0.13 0.00 0.13 0.00 0.01 99.73 01:20:01 1 0.47 0.00 0.08 0.02 0.00 99.43 01:30:09 all 0.29 0.00 0.20 0.04 0.00 99.46 01:30:09 0 0.11 0.00 0.22 0.08 0.00 99.59 01:30:09 1 0.47 0.00 0.19 0.00 0.00 99.33 01:40:01 all 0.24 0.00 0.09 0.01 0.00 99.66 01:40:01 0 0.26 0.00 0.07 0.02 0.00 99.64 01:40:01 1 0.22 0.00 0.11 0.00 0.00 99.67 01:50:01 all 0.27 0.00 0.07 0.02 0.00 99.63 01:50:01 0 0.36 0.00 0.05 0.04 0.00 99.55 01:50:01 1 0.19 0.00 0.10 0.00 0.01 99.71 02:00:09 all 0.44 0.00 0.25 0.12 0.00 99.18 02:00:09 0 0.46 0.00 0.24 0.21 0.00 99.09 02:00:09 1 0.43 0.00 0.27 0.02 0.00 99.27 02:10:01 all 0.27 0.00 0.10 0.01 0.01 99.61 02:10:01 0 0.19 0.00 0.11 0.01 0.01 99.69 02:10:01 1 0.35 0.00 0.10 0.02 0.01 99.52 02:20:01 all 0.26 0.00 0.09 0.01 0.01 99.63 02:20:01 0 0.07 0.00 0.11 0.00 0.01 99.81 02:20:01 1 0.46 0.00 0.06 0.02 0.01 99.45 02:30:09 all 0.29 0.00 0.21 0.01 0.01 99.48 02:30:09 0 0.23 0.00 0.22 0.00 0.01 99.53 02:30:09 1 0.36 0.00 0.19 0.02 0.01 99.43 02:40:01 all 16.96 0.00 2.34 0.69 0.03 79.98 02:40:01 0 20.91 0.00 2.46 0.78 0.03 75.83 02:40:01 1 13.02 0.00 2.22 0.60 0.03 84.13 Average: all 2.12 0.00 0.38 0.10 0.01 97.38 Average: 0 2.49 0.00 0.40 0.13 0.01 96.97 Average: 1 1.76 0.00 0.36 0.08 0.01 97.79