---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8319 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 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 762 5186 4 2287 7179 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:7b:88:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78985sec preferred_lft 78985sec inet6 fe80::f816:3eff:fe7b:887f/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-8319) 09/15/26 _x86_64_ (2 CPU) 01:06:57 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 14.63 0.03 1.45 13.15 1.39 17.46 108599.84 01:30:13 1.66 0.01 1.63 0.03 0.05 19.96 0.92 01:40:01 1.98 0.34 1.62 0.02 44.39 107.46 35.79 01:50:13 1.35 0.00 1.35 0.00 0.00 16.06 0.00 02:00:13 1.57 0.00 1.55 0.01 0.00 18.60 639.64 02:10:01 1.32 0.00 1.32 0.00 0.00 15.81 0.00 02:20:13 1.38 0.00 1.38 0.00 0.00 16.58 0.00 02:30:13 1.49 0.00 1.48 0.01 0.00 17.80 639.64 02:40:01 27.31 2.89 22.06 2.36 228.26 3753.57 1783.59 02:50:13 1.36 0.00 1.36 0.00 0.00 16.43 0.00 03:00:13 1.41 0.00 1.39 0.02 0.00 17.76 116.28 03:10:01 5.96 0.08 4.49 1.39 6.27 258.81 2811.17 Average: 5.07 0.27 3.38 1.42 22.89 349.44 9581.89 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 6299700 7546272 274020 3.37 30552 1422648 527956 5.75 443936 1183916 220 01:30:13 6296460 7543596 276760 3.40 30768 1422980 528328 5.75 444452 1184464 124 01:40:01 6223912 7510988 308540 3.79 31420 1461808 730008 7.95 462816 1213828 188 01:50:13 6223912 7511520 308020 3.79 31588 1462132 730008 7.95 462844 1214344 196 02:00:13 6233748 7522044 297400 3.66 31764 1462592 730184 7.95 463056 1214860 156 02:10:01 6233748 7522508 296888 3.65 31924 1462920 730312 7.95 463300 1215320 300 02:20:13 6233748 7523040 296372 3.64 32096 1463244 730312 7.95 463324 1215844 180 02:30:13 6236948 7526772 292520 3.60 32268 1463576 730312 7.95 463340 1216348 184 02:40:01 5181324 7407408 358500 4.41 88092 2298448 829980 9.04 594612 2061676 160 02:50:13 5183528 7410196 355680 4.37 88208 2298924 830176 9.04 594952 2062136 200 03:00:13 5172708 7399876 365824 4.50 88356 2299276 830316 9.04 595252 2062636 204 03:10:01 5370448 7407724 367792 4.52 90688 2115732 807920 8.80 600396 1879900 10896 Average: 5907515 7485995 316526 3.89 50644 1719523 727984 7.93 504357 1477106 1084 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 1.54 0.08 0.26 0.03 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.53 0.07 0.12 0.06 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 0.85 0.25 3.44 0.07 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 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.31 0.05 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 0.31 0.14 0.05 0.49 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 0.19 0.02 0.02 0.01 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.20 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 80.04 55.13 329.14 12.03 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 1.74 0.28 0.32 0.12 0.00 0.00 0.00 0.00 03:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:13 ens3 0.57 0.21 0.13 0.07 0.00 0.00 0.00 0.00 03:10:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 7.02 5.48 9.16 2.85 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 7.65 5.04 27.98 1.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8319) 09/15/26 _x86_64_ (2 CPU) 01:06:57 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 0.30 0.00 0.11 0.04 0.01 99.54 01:20:03 0 0.39 0.00 0.10 0.03 0.01 99.47 01:20:03 1 0.21 0.00 0.12 0.05 0.01 99.60 01:30:13 all 0.34 0.00 0.21 0.01 0.01 99.43 01:30:13 0 0.42 0.00 0.21 0.03 0.01 99.33 01:30:13 1 0.26 0.00 0.21 0.00 0.01 99.52 01:40:01 all 0.40 0.00 0.15 0.03 0.01 99.41 01:40:01 0 0.51 0.00 0.12 0.04 0.01 99.33 01:40:01 1 0.30 0.00 0.18 0.02 0.01 99.49 01:50:13 all 0.27 0.00 0.09 0.01 0.01 99.62 01:50:13 0 0.47 0.00 0.05 0.03 0.00 99.45 01:50:13 1 0.06 0.00 0.13 0.00 0.01 99.79 02:00:13 all 0.29 0.00 0.20 0.02 0.01 99.49 02:00:13 0 0.49 0.00 0.17 0.02 0.00 99.32 02:00:13 1 0.09 0.00 0.23 0.01 0.01 99.66 02:10:01 all 0.25 0.00 0.11 0.01 0.00 99.63 02:10:01 0 0.34 0.00 0.09 0.02 0.00 99.55 02:10:01 1 0.16 0.00 0.13 0.01 0.01 99.70 02:20:13 all 0.28 0.00 0.10 0.02 0.01 99.59 02:20:13 0 0.49 0.00 0.08 0.00 0.01 99.42 02:20:13 1 0.07 0.00 0.12 0.03 0.01 99.76 02:30:13 all 0.28 0.00 0.18 0.07 0.01 99.46 02:30:13 0 0.29 0.00 0.17 0.11 0.01 99.42 02:30:13 1 0.27 0.00 0.19 0.04 0.01 99.49 02:40:01 all 13.05 0.00 2.16 0.68 0.03 84.08 02:40:01 0 16.05 0.00 2.42 0.90 0.03 80.61 02:40:01 1 10.06 0.00 1.89 0.47 0.04 87.54 02:50:13 all 0.47 0.00 0.18 0.01 0.03 99.31 02:50:13 0 0.50 0.00 0.15 0.01 0.02 99.32 02:50:13 1 0.44 0.00 0.22 0.01 0.04 99.29 03:00:13 all 0.47 0.00 0.27 0.01 0.02 99.23 03:00:13 0 0.34 0.00 0.31 0.02 0.02 99.31 03:00:13 1 0.59 0.00 0.23 0.00 0.01 99.16 03:00:13 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 4.07 0.00 0.59 0.12 0.01 95.21 03:10:01 0 4.91 0.00 0.70 0.04 0.02 94.33 03:10:01 1 3.23 0.00 0.49 0.19 0.01 96.09 Average: all 1.68 0.00 0.36 0.09 0.01 97.87 Average: 0 2.06 0.00 0.38 0.10 0.01 97.45 Average: 1 1.29 0.00 0.34 0.07 0.01 98.28