---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4755 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 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 808 5117 4 2305 7133 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:22:b7:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83482sec preferred_lft 83482sec inet6 fe80::f816:3eff:fe22:b7b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4755) 04/20/26 _x86_64_ (2 CPU) 03:07:28 LINUX RESTART (2 CPU) 03:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:20:23 9.80 1.54 7.26 1.00 144.16 1192.65 368.39 03:30:01 15.66 0.02 1.62 14.02 1.30 109.15 111646.58 03:40:23 1.39 0.00 1.34 0.05 0.19 67.09 1145.60 03:50:23 1.33 0.00 1.28 0.04 0.00 28.93 397.02 Average: 6.91 0.39 2.87 3.65 36.40 349.06 27359.43 03:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:20:23 5255236 7378948 392864 4.83 84052 2204164 904780 9.85 617488 1962172 436 03:30:01 5211008 7362600 408708 5.03 84264 2231400 733340 7.99 639884 1989328 1528 03:40:23 5201720 7368580 402496 4.95 84472 2246256 709508 7.73 640200 2004388 136 03:50:23 5197728 7368892 402132 4.94 84676 2250296 709520 7.73 640456 2008640 124 Average: 5216423 7369755 401550 4.94 84366 2233029 764287 8.32 634507 1991132 556 03:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:20:23 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 03:20:23 ens3 94.49 76.02 59.78 12.71 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 14.49 14.53 12.93 1.22 0.00 0.00 0.00 0.00 03:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:23 ens3 12.97 12.47 10.91 1.09 0.00 0.00 0.00 0.00 03:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:23 ens3 25.09 24.76 5.52 1.74 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 36.75 31.93 22.27 4.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4755) 04/20/26 _x86_64_ (2 CPU) 03:07:28 LINUX RESTART (2 CPU) 03:10:23 CPU %user %nice %system %iowait %steal %idle 03:20:23 all 7.31 0.00 1.24 0.16 0.05 91.23 03:20:23 0 7.30 0.00 1.22 0.21 0.05 91.22 03:20:23 1 7.33 0.00 1.26 0.11 0.06 91.24 03:30:01 all 4.12 0.00 0.65 0.03 0.07 95.13 03:30:01 0 3.30 0.00 0.53 0.01 0.06 96.11 03:30:01 1 4.94 0.00 0.77 0.06 0.07 94.16 03:40:23 all 3.28 0.00 0.44 0.01 0.07 96.21 03:40:23 0 2.89 0.00 0.38 0.01 0.08 96.65 03:40:23 1 3.67 0.00 0.50 0.01 0.06 95.77 03:50:23 all 1.59 0.00 0.34 0.01 0.07 97.99 03:50:23 0 1.71 0.00 0.44 0.01 0.06 97.79 03:50:23 1 1.47 0.00 0.25 0.01 0.08 98.20 Average: all 4.07 0.00 0.66 0.05 0.06 95.15 Average: 0 3.79 0.00 0.64 0.06 0.06 95.45 Average: 1 4.34 0.00 0.69 0.05 0.07 94.86