---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37124 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: 5599.94 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 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 765 5156 4 2313 7176 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:32:f7:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81995sec preferred_lft 81995sec inet6 fe80::f816:3eff:fe32:f7e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37124) 07/19/26 _x86_64_ (2 CPU) 04:37:51 LINUX RESTART (2 CPU) 04:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:08 1.42 0.02 1.40 0.00 1.24 16.67 0.12 05:00:08 1.55 0.01 1.52 0.03 0.05 19.03 654.76 05:10:08 1.20 0.00 1.19 0.02 0.00 14.57 1.20 05:20:08 1.70 0.25 1.42 0.03 30.99 75.07 1.37 05:30:08 1.53 0.01 1.49 0.03 1.05 19.20 872.33 05:40:08 1.18 0.00 1.16 0.02 0.00 14.72 1.20 05:50:08 25.42 2.90 19.52 3.00 226.87 3703.63 1786.00 Average: 4.86 0.46 3.96 0.45 37.17 551.84 473.85 04:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:08 6284860 7536064 283980 3.49 30620 1426428 524352 5.71 447980 1187628 180 05:00:08 6275804 7527580 292516 3.60 30844 1426756 524528 5.71 448648 1188184 128 05:10:08 6289976 7542288 277864 3.42 31044 1427084 524528 5.71 448084 1188712 184 05:20:08 6220708 7500324 319384 3.93 31428 1453648 724908 7.90 462920 1206896 184 05:30:08 6238564 7519084 300580 3.70 31652 1454292 524728 5.72 457732 1207452 124 05:40:08 6238340 7519540 300128 3.69 31868 1454748 524796 5.72 458192 1207996 188 05:50:08 5296596 7356228 418964 5.15 88748 2138712 642788 7.00 647368 1903112 22520 Average: 6120693 7500158 313345 3.85 39458 1540238 570090 6.21 481561 1298569 3358 04:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:08 ens3 1.25 0.10 0.29 0.06 0.00 0.00 0.00 0.00 05:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:08 ens3 0.70 0.11 0.18 0.10 0.00 0.00 0.00 0.00 05:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:08 ens3 0.96 0.03 0.09 0.01 0.00 0.00 0.00 0.00 05:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:20:08 ens3 0.92 0.39 3.82 0.54 0.00 0.00 0.00 0.00 05:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:08 ens3 0.29 0.04 0.06 0.03 0.00 0.00 0.00 0.00 05:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:08 ens3 0.39 0.09 0.14 0.07 0.00 0.00 0.00 0.00 05:50:08 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 05:50:08 ens3 131.79 105.63 409.20 35.93 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.47 15.20 59.11 5.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37124) 07/19/26 _x86_64_ (2 CPU) 04:37:51 LINUX RESTART (2 CPU) 04:40:08 CPU %user %nice %system %iowait %steal %idle 04:50:08 all 0.28 0.00 0.08 0.01 0.02 99.60 04:50:08 0 0.40 0.00 0.08 0.02 0.02 99.49 04:50:08 1 0.17 0.00 0.09 0.01 0.03 99.71 05:00:08 all 0.32 0.00 0.17 0.05 0.02 99.44 05:00:08 0 0.28 0.00 0.17 0.01 0.02 99.52 05:00:08 1 0.36 0.00 0.16 0.09 0.03 99.36 05:10:08 all 0.27 0.00 0.09 0.09 0.02 99.53 05:10:08 0 0.07 0.00 0.10 0.13 0.02 99.69 05:10:08 1 0.47 0.00 0.08 0.05 0.02 99.38 05:20:08 all 0.45 0.00 0.12 0.06 0.02 99.35 05:20:08 0 0.26 0.00 0.13 0.04 0.02 99.56 05:20:08 1 0.64 0.00 0.11 0.08 0.02 99.15 05:30:08 all 0.29 0.00 0.17 0.13 0.17 99.23 05:30:08 0 0.31 0.00 0.15 0.00 0.17 99.36 05:30:08 1 0.28 0.00 0.19 0.26 0.17 99.11 05:40:08 all 0.30 0.00 0.07 0.01 0.02 99.60 05:40:08 0 0.31 0.00 0.08 0.00 0.02 99.59 05:40:08 1 0.29 0.00 0.07 0.02 0.02 99.61 05:50:08 all 22.88 0.00 2.33 0.64 0.14 74.00 05:50:08 0 19.68 0.00 2.29 0.67 0.09 77.27 05:50:08 1 26.10 0.00 2.38 0.61 0.20 70.71 Average: all 3.53 0.00 0.43 0.14 0.06 95.84 Average: 0 3.04 0.00 0.43 0.12 0.05 96.36 Average: 1 4.02 0.00 0.44 0.16 0.07 95.32