---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31971 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 767 5143 4 2330 7174 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:63:2d:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79745sec preferred_lft 79745sec inet6 fe80::f816:3eff:fe63:2d94/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31971) 07/01/26 _x86_64_ (2 CPU) 01:57:42 LINUX RESTART (2 CPU) 02:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:11 1.43 0.03 1.40 0.01 1.24 16.51 0.60 02:20:01 1.25 0.01 1.23 0.02 0.05 14.99 1.22 02:30:11 1.80 0.25 1.51 0.04 30.46 74.97 1.46 02:40:11 1.21 0.01 1.20 0.00 1.05 14.96 0.07 02:50:01 1.08 0.00 1.08 0.00 0.00 13.85 0.00 03:00:11 1.35 0.00 1.34 0.01 0.00 17.45 0.22 03:10:11 1.22 0.00 1.22 0.00 0.00 14.76 0.00 03:20:11 37.61 3.00 19.50 15.10 227.21 3560.91 109305.94 03:30:11 1.39 0.00 1.37 0.02 0.00 17.76 0.60 03:40:11 1.25 0.00 1.25 0.00 0.00 15.27 0.00 Average: 4.96 0.33 3.11 1.52 26.05 376.26 10931.21 02:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:11 6231692 7535820 275428 3.39 34556 1466900 526724 5.74 447404 1230892 168 02:20:01 6232796 7537464 273800 3.37 34756 1467232 526732 5.74 447464 1231424 224 02:30:11 6195196 7527024 283580 3.49 35164 1493588 725216 7.90 461928 1249424 292 02:40:11 6199932 7532600 278096 3.42 35344 1494240 526948 5.74 456736 1249944 208 02:50:01 6202120 7535276 275416 3.39 35500 1494568 526980 5.74 456920 1250428 192 03:00:11 6200840 7534644 276036 3.39 35676 1495024 527544 5.75 457808 1250932 124 03:10:11 6200136 7534420 276244 3.40 35828 1495344 527544 5.75 458180 1251404 132 03:20:11 5149908 7407544 350292 4.31 90828 2318580 622448 6.78 590288 2084052 208 03:30:11 5141812 7399944 357824 4.40 90972 2318932 622448 6.78 590284 2084548 216 03:40:11 5144232 7402828 355008 4.37 91084 2319284 622448 6.78 590504 2085012 184 Average: 5889866 7494756 300172 3.69 51971 1736369 575503 6.27 495752 1496806 195 02:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.84 0.06 0.20 0.02 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 0.41 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 1.25 0.22 8.12 0.03 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.64 0.11 0.79 0.09 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 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:11 ens3 0.40 0.20 0.11 0.57 0.00 0.00 0.00 0.00 03:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:20:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:20:11 ens3 64.15 45.89 316.81 11.35 0.00 0.00 0.00 0.00 03:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:11 ens3 1.47 0.19 0.23 0.07 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 0.49 0.23 0.11 0.05 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 7.01 4.70 32.67 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31971) 07/01/26 _x86_64_ (2 CPU) 01:57:42 LINUX RESTART (2 CPU) 02:00:11 CPU %user %nice %system %iowait %steal %idle 02:10:11 all 0.29 0.00 0.08 0.01 0.03 99.59 02:10:11 0 0.46 0.00 0.07 0.01 0.03 99.42 02:10:11 1 0.11 0.00 0.08 0.01 0.04 99.76 02:20:01 all 0.27 0.00 0.07 0.01 0.03 99.61 02:20:01 0 0.47 0.00 0.05 0.02 0.03 99.43 02:20:01 1 0.07 0.00 0.09 0.00 0.04 99.79 02:30:11 all 0.40 0.00 0.16 0.02 0.03 99.38 02:30:11 0 0.53 0.00 0.15 0.02 0.03 99.28 02:30:11 1 0.27 0.00 0.18 0.03 0.04 99.48 02:40:11 all 0.22 0.00 0.09 0.01 0.04 99.65 02:40:11 0 0.33 0.00 0.08 0.01 0.03 99.55 02:40:11 1 0.11 0.00 0.09 0.01 0.04 99.74 02:50:01 all 0.28 0.00 0.08 0.01 0.03 99.61 02:50:01 0 0.09 0.00 0.09 0.00 0.03 99.79 02:50:01 1 0.47 0.00 0.07 0.01 0.03 99.42 03:00:11 all 0.25 0.00 0.16 0.01 0.04 99.55 03:00:11 0 0.10 0.00 0.15 0.00 0.04 99.70 03:00:11 1 0.39 0.00 0.17 0.01 0.03 99.40 03:10:11 all 0.24 0.00 0.07 0.01 0.03 99.65 03:10:11 0 0.05 0.00 0.09 0.01 0.04 99.81 03:10:11 1 0.44 0.00 0.05 0.02 0.02 99.48 03:20:11 all 11.62 0.00 1.73 0.50 0.07 86.08 03:20:11 0 11.12 0.00 1.76 0.51 0.06 86.55 03:20:11 1 12.13 0.00 1.70 0.48 0.08 85.61 03:30:11 all 0.41 0.00 0.21 0.01 0.06 99.30 03:30:11 0 0.44 0.00 0.19 0.01 0.06 99.31 03:30:11 1 0.38 0.00 0.24 0.01 0.07 99.30 03:40:11 all 0.37 0.00 0.12 0.01 0.07 99.44 03:40:11 0 0.45 0.00 0.06 0.01 0.03 99.45 03:40:11 1 0.28 0.00 0.19 0.00 0.10 99.42 Average: all 1.43 0.00 0.28 0.06 0.04 98.19 Average: 0 1.40 0.00 0.27 0.06 0.04 98.23 Average: 1 1.46 0.00 0.29 0.06 0.05 98.14