---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2207 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: 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 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 748 5300 4 2181 7193 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:50:b9:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79650sec preferred_lft 79650sec inet6 fe80::f816:3eff:fe50:b9db/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-2207) 04/12/26 _x86_64_ (2 CPU) 01:45:44 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.08 0.34 1.72 0.02 40.51 75.28 653.52 02:10:01 1.40 0.01 1.37 0.02 0.84 16.37 1.13 02:20:01 1.34 0.00 1.32 0.02 0.01 15.54 1.20 02:30:14 1.78 0.00 1.75 0.03 0.00 21.30 641.63 02:40:01 14.13 0.00 1.27 12.86 0.15 15.33 111548.23 02:50:01 1.22 0.00 1.20 0.01 0.00 14.57 1.08 03:00:24 1.42 0.00 1.40 0.02 0.00 17.71 0.36 03:10:01 24.35 3.16 18.89 2.30 237.18 3268.40 1055.23 03:20:01 1.41 0.00 1.41 0.00 0.00 17.54 0.11 03:30:14 1.51 0.00 1.49 0.01 0.00 18.64 0.22 Average: 4.94 0.34 3.11 1.49 26.92 335.14 11121.71 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6243772 7524360 295552 3.63 30844 1454968 709908 7.73 463304 1204008 140 02:10:01 6250912 7532264 287824 3.54 31068 1455496 520116 5.67 457808 1204564 124 02:20:01 6276628 7558520 261576 3.22 31280 1455820 520296 5.67 458044 1205100 260 02:30:14 6268336 7550824 269216 3.31 31524 1456152 520296 5.67 458108 1205676 140 02:40:01 6273444 7556620 263444 3.24 31708 1456648 520360 5.67 458388 1206200 160 02:50:01 6270672 7554396 265696 3.27 31920 1456976 520360 5.67 458544 1206740 248 03:00:24 6270772 7555032 265040 3.26 32120 1457296 520456 5.67 459148 1207260 132 03:10:01 5297856 7413900 358060 4.40 85352 2194736 628712 6.85 599516 1952376 176 03:20:01 5293604 7410136 361584 4.45 85484 2195100 683852 7.45 604632 1952868 240 03:30:14 5279804 7396956 374700 4.61 85620 2195584 683916 7.45 604876 1953360 124 Average: 5972580 7505301 300269 3.69 47692 1677878 582827 6.35 502237 1429815 174 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.19 0.25 3.14 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 0.98 0.04 7.62 0.01 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 0.44 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.35 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.49 0.08 0.12 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.25 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:24 ens3 0.39 0.08 0.12 0.07 0.00 0.00 0.00 0.00 03:10:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 62.42 42.39 310.56 11.70 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 1.95 0.19 0.24 0.03 0.00 0.00 0.00 0.00 03:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:14 ens3 0.83 0.25 0.16 0.08 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 6.68 4.17 30.98 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2207) 04/12/26 _x86_64_ (2 CPU) 01:45:44 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.38 0.00 0.20 0.05 0.03 99.34 02:00:01 0 0.23 0.00 0.21 0.05 0.03 99.49 02:00:01 1 0.54 0.00 0.19 0.05 0.03 99.20 02:10:01 all 0.26 0.00 0.07 0.01 0.03 99.63 02:10:01 0 0.07 0.00 0.08 0.02 0.03 99.81 02:10:01 1 0.45 0.00 0.07 0.00 0.03 99.45 02:20:01 all 0.25 0.00 0.07 0.08 0.02 99.58 02:20:01 0 0.31 0.00 0.08 0.09 0.02 99.51 02:20:01 1 0.19 0.00 0.07 0.06 0.03 99.65 02:30:14 all 0.30 0.00 0.18 0.03 0.02 99.48 02:30:14 0 0.43 0.00 0.18 0.05 0.02 99.32 02:30:14 1 0.16 0.00 0.17 0.01 0.03 99.63 02:40:01 all 0.27 0.00 0.09 0.13 0.02 99.49 02:40:01 0 0.47 0.00 0.07 0.08 0.02 99.36 02:40:01 1 0.06 0.00 0.10 0.18 0.03 99.62 02:50:01 all 0.27 0.00 0.08 0.04 0.02 99.59 02:50:01 0 0.14 0.00 0.08 0.06 0.02 99.71 02:50:01 1 0.40 0.00 0.08 0.03 0.02 99.47 03:00:24 all 0.30 0.00 0.17 0.02 0.02 99.48 03:00:24 0 0.14 0.00 0.18 0.00 0.03 99.65 03:00:24 1 0.47 0.00 0.17 0.03 0.02 99.31 03:10:01 all 11.67 0.00 1.79 1.71 0.07 84.76 03:10:01 0 13.15 0.00 1.90 1.93 0.07 82.95 03:10:01 1 10.19 0.00 1.68 1.49 0.06 86.58 03:20:01 all 0.41 0.00 0.15 0.14 0.05 99.25 03:20:01 0 0.34 0.00 0.17 0.09 0.06 99.34 03:20:01 1 0.47 0.00 0.13 0.20 0.04 99.16 03:30:14 all 0.38 0.00 0.22 0.01 0.05 99.34 03:30:14 0 0.43 0.00 0.18 0.01 0.03 99.34 03:30:14 1 0.34 0.00 0.26 0.01 0.06 99.33 Average: all 1.40 0.00 0.30 0.21 0.03 98.05 Average: 0 1.52 0.00 0.30 0.23 0.03 97.92 Average: 1 1.29 0.00 0.29 0.20 0.04 98.19