---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26544 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 8.0G 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 750 5208 4 2275 7191 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:78:b4:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81783sec preferred_lft 81783sec inet6 fe80::f816:3eff:fe78:b4be/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-26544) 06/11/26 _x86_64_ (2 CPU) 00:41:44 LINUX RESTART (2 CPU) 00:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:19 1.58 0.01 1.55 0.02 0.05 18.98 858.71 01:10:01 1.45 0.03 1.41 0.02 2.21 16.63 1.17 01:20:18 1.33 0.00 1.31 0.02 0.01 15.66 1.17 01:30:19 2.09 0.26 1.79 0.04 31.95 77.57 870.40 01:40:01 14.40 0.00 1.44 12.95 0.15 17.03 112499.49 01:50:11 1.82 0.39 1.42 0.01 15.57 47.79 0.47 Average: 3.71 0.12 1.48 2.11 8.37 32.38 18471.97 00:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:19 6291608 7539016 281676 3.46 30688 1422404 523008 5.70 447308 1183524 132 01:10:01 6287628 7536232 284456 3.50 30908 1423372 523072 5.70 447976 1184152 152 01:20:18 6287676 7536840 283836 3.49 31128 1423700 524932 5.72 449820 1184700 192 01:30:19 6244540 7520872 299208 3.68 31528 1450072 523304 5.70 457920 1202396 132 01:40:01 6251880 7528944 291012 3.58 31728 1450588 523368 5.70 458032 1202956 148 01:50:11 6233260 7525392 294220 3.62 32064 1465260 540984 5.89 485884 1216440 276 Average: 6266099 7531216 289068 3.55 31341 1439233 526445 5.73 457823 1195695 172 00:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:19 ens3 0.59 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.41 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.47 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.86 0.45 3.19 0.06 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 0.35 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 10.84 5.28 19.84 3.17 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.28 1.02 3.96 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26544) 06/11/26 _x86_64_ (2 CPU) 00:41:44 LINUX RESTART (2 CPU) 00:50:10 CPU %user %nice %system %iowait %steal %idle 01:00:19 all 0.30 0.00 0.17 0.03 0.03 99.47 01:00:19 0 0.47 0.00 0.16 0.04 0.02 99.31 01:00:19 1 0.13 0.00 0.18 0.02 0.03 99.63 01:10:01 all 0.25 0.00 0.08 0.05 0.03 99.59 01:10:01 0 0.41 0.00 0.06 0.04 0.02 99.47 01:10:01 1 0.10 0.00 0.10 0.06 0.03 99.71 01:20:18 all 0.26 0.00 0.07 0.03 0.03 99.61 01:20:18 0 0.46 0.00 0.05 0.02 0.02 99.45 01:20:18 1 0.05 0.00 0.10 0.03 0.03 99.78 01:30:19 all 0.35 0.00 0.19 0.06 0.03 99.37 01:30:19 0 0.41 0.00 0.17 0.04 0.03 99.35 01:30:19 1 0.30 0.00 0.20 0.08 0.03 99.38 01:40:01 all 0.25 0.00 0.09 0.34 0.03 99.29 01:40:01 0 0.06 0.00 0.08 0.04 0.03 99.78 01:40:01 1 0.44 0.00 0.09 0.64 0.03 98.81 01:50:11 all 0.50 0.00 0.09 0.02 0.03 99.35 01:50:11 0 0.57 0.00 0.09 0.01 0.02 99.30 01:50:11 1 0.43 0.00 0.09 0.03 0.04 99.41 Average: all 0.32 0.00 0.12 0.09 0.03 99.45 Average: 0 0.40 0.00 0.10 0.03 0.02 99.44 Average: 1 0.24 0.00 0.13 0.14 0.03 99.46