---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23821 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 7.9G 30G 21% / 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 749 5224 4 2260 7192 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:1d:f7:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80515sec preferred_lft 80515sec inet6 fe80::f816:3eff:fe1d:f7ee/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23821) 06/05/26 _x86_64_ (2 CPU) 00:39:45 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 8.44 3.48 4.89 0.06 414.77 5194.82 219.39 01:00:02 14.13 0.01 1.55 12.56 0.20 18.53 109781.36 01:10:02 1.32 0.00 1.30 0.02 0.00 15.45 1.09 01:20:02 1.34 0.00 1.32 0.02 0.01 15.69 1.09 01:30:02 1.56 0.00 1.54 0.03 0.00 18.43 654.41 01:40:01 1.34 0.00 1.32 0.02 0.00 15.88 1.09 01:50:02 23.64 3.02 18.31 2.31 228.01 3473.87 687.35 02:00:02 1.47 0.00 1.45 0.02 0.00 18.67 0.23 02:10:01 1.25 0.00 1.25 0.00 0.00 15.23 0.00 Average: 6.05 0.72 3.66 1.67 71.52 977.20 12371.28 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6235048 7512764 307084 3.78 30748 1452444 727928 7.93 458616 1204328 240 01:00:02 6247848 7526208 293416 3.61 30980 1452804 728024 7.93 458816 1204900 172 01:10:02 6251180 7530092 289552 3.56 31184 1453144 728352 7.93 459396 1205444 240 01:20:02 6251180 7530612 289024 3.55 31384 1453460 728792 7.94 460200 1205960 224 01:30:02 6245904 7526012 293572 3.61 31588 1453916 728792 7.94 460188 1206492 288 01:40:01 6245904 7526540 293040 3.60 31772 1454256 728948 7.94 460772 1207016 132 01:50:02 5205212 7402356 364944 4.49 86584 2271396 823952 8.97 595160 2033396 256 02:00:02 5200444 7398108 369104 4.54 86740 2271744 824976 8.99 595280 2033916 184 02:10:01 5200444 7398580 368624 4.53 86868 2272088 824976 8.99 595400 2034388 160 Average: 5898129 7483475 318707 3.92 49761 1726139 760527 8.28 504870 1481760 211 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 15.28 6.94 39.16 1.81 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 1.25 0.17 0.47 0.18 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.62 0.29 0.12 0.70 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.30 0.08 0.08 0.04 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 0.64 0.18 0.25 0.15 0.00 0.00 0.00 0.00 01:50:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 62.52 44.05 315.70 11.26 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 1.78 0.19 0.25 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 0.53 0.18 0.09 0.03 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 9.27 5.79 39.59 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23821) 06/05/26 _x86_64_ (2 CPU) 00:39:45 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.89 0.00 0.43 2.41 0.02 96.25 00:50:02 0 0.90 0.00 0.48 2.35 0.02 96.25 00:50:02 1 0.88 0.00 0.38 2.48 0.02 96.25 01:00:02 all 0.29 0.00 0.18 0.03 0.02 99.48 01:00:02 0 0.09 0.00 0.20 0.05 0.02 99.63 01:00:02 1 0.49 0.00 0.15 0.01 0.01 99.34 01:10:02 all 0.29 0.00 0.07 0.01 0.02 99.61 01:10:02 0 0.31 0.00 0.06 0.01 0.02 99.60 01:10:02 1 0.28 0.00 0.08 0.01 0.02 99.61 01:20:02 all 0.22 0.00 0.07 0.01 0.02 99.67 01:20:02 0 0.40 0.00 0.05 0.01 0.02 99.52 01:20:02 1 0.05 0.00 0.09 0.01 0.02 99.82 01:30:02 all 0.28 0.00 0.15 0.01 0.02 99.54 01:30:02 0 0.41 0.00 0.14 0.01 0.01 99.43 01:30:02 1 0.15 0.00 0.17 0.01 0.02 99.64 01:40:01 all 0.27 0.00 0.06 0.01 0.02 99.64 01:40:01 0 0.08 0.00 0.08 0.02 0.02 99.80 01:40:01 1 0.45 0.00 0.05 0.00 0.02 99.48 01:50:02 all 11.80 0.00 1.72 0.64 0.05 85.79 01:50:02 0 9.17 0.00 1.42 0.75 0.05 88.62 01:50:02 1 14.43 0.00 2.01 0.54 0.06 82.96 02:00:02 all 0.42 0.00 0.21 0.01 0.04 99.32 02:00:02 0 0.53 0.00 0.17 0.01 0.02 99.27 02:00:02 1 0.30 0.00 0.26 0.02 0.06 99.37 02:10:01 all 0.41 0.00 0.12 0.02 0.04 99.41 02:10:01 0 0.31 0.00 0.16 0.01 0.05 99.47 02:10:01 1 0.50 0.00 0.08 0.03 0.03 99.36 Average: all 1.65 0.00 0.33 0.35 0.03 97.64 Average: 0 1.36 0.00 0.31 0.36 0.03 97.96 Average: 1 1.95 0.00 0.36 0.35 0.03 97.32