---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53937 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 754 5215 4 2260 7187 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:65:e4:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82821sec preferred_lft 82821sec inet6 fe80::f816:3eff:fe65:e417/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53937) 03/29/26 _x86_64_ (2 CPU) 00:56:35 LINUX RESTART (2 CPU) 01:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 6.46 0.08 5.81 0.56 5.21 881.35 249.27 01:20:12 1.93 0.32 1.60 0.02 38.41 79.98 0.48 01:30:12 1.61 0.01 1.57 0.03 1.05 135.07 397.24 01:40:01 1.31 0.00 1.29 0.02 0.00 29.02 3.71 01:50:12 1.53 0.00 1.46 0.07 0.00 26.43 6.60 Average: 2.55 0.08 2.33 0.14 9.05 227.55 130.60 01:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 5296888 7379184 393152 4.83 83900 2162980 661228 7.20 604912 1932212 160 01:20:12 5245580 7358188 413468 5.08 84224 2192868 870336 9.48 624524 1951352 196 01:30:12 5180312 7328416 443184 5.45 84400 2227876 692112 7.54 637364 1986232 240 01:40:01 5215464 7367928 403604 4.96 84580 2232008 663300 7.22 608700 1990544 324 01:50:12 5215464 7371092 400408 4.92 84804 2234932 667748 7.27 612812 1993540 368 Average: 5230742 7360962 410763 5.05 84382 2210133 710945 7.74 617662 1970776 258 01:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 01:10:01 ens3 41.30 31.92 232.50 6.01 0.00 0.00 0.00 0.00 01:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 11.48 10.52 63.61 1.28 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 7.84 6.73 73.32 0.83 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 13.81 12.84 115.38 1.46 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 6.11 4.97 1.53 1.30 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.98 13.29 96.25 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53937) 03/29/26 _x86_64_ (2 CPU) 00:56:35 LINUX RESTART (2 CPU) 01:00:12 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 3.04 0.00 0.57 0.69 0.07 95.63 01:10:01 0 3.00 0.00 0.68 0.51 0.09 95.72 01:10:01 1 3.07 0.00 0.47 0.87 0.05 95.53 01:20:12 all 1.75 0.00 0.31 0.03 0.07 97.85 01:20:12 0 1.44 0.00 0.28 0.02 0.07 98.19 01:20:12 1 2.05 0.00 0.33 0.03 0.07 97.51 01:30:12 all 6.00 0.00 0.68 0.02 0.09 93.21 01:30:12 0 8.36 0.00 0.88 0.01 0.10 90.65 01:30:12 1 3.71 0.00 0.50 0.02 0.08 95.69 01:40:01 all 2.10 0.00 0.27 0.01 0.08 97.53 01:40:01 0 3.47 0.00 0.41 0.01 0.11 96.00 01:40:01 1 0.74 0.00 0.13 0.01 0.05 99.07 01:50:12 all 2.39 0.00 0.27 0.03 0.08 97.24 01:50:12 0 2.35 0.00 0.24 0.02 0.06 97.32 01:50:12 1 2.43 0.00 0.29 0.03 0.09 97.16 Average: all 3.04 0.00 0.42 0.15 0.08 96.31 Average: 0 3.68 0.00 0.49 0.12 0.09 95.63 Average: 1 2.40 0.00 0.34 0.19 0.07 97.00