---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53422 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 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 768 5210 4 2259 7172 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:81:01:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 19563sec preferred_lft 19563sec inet6 fe80::f816:3eff:fe81:15c/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-53422) 03/28/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.64 0.01 1.61 0.01 0.81 19.39 432.14 00:20:01 1.80 0.11 1.66 0.03 3.05 22.67 371.12 00:30:00 1.73 0.00 1.71 0.02 0.00 19.33 216.56 00:40:01 24.66 3.02 19.43 2.21 225.75 3111.19 560.43 00:50:00 1.63 0.01 1.60 0.02 0.57 26.71 1.11 Average: 6.29 0.63 5.20 0.46 46.05 639.98 316.34 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6131720 7518948 290020 3.57 51324 1531960 597652 6.51 471928 1298948 124 00:20:01 6152556 7508068 300832 3.70 51488 1500020 594872 6.48 471032 1266800 124 00:30:00 6164228 7520364 288528 3.55 51644 1500472 594872 6.48 471044 1267280 120 00:40:01 5272340 7453712 307680 3.78 101300 2235476 622324 6.78 554412 2006824 140 00:50:00 5162004 7345784 415684 5.11 101428 2237828 715996 7.80 613924 2009304 156 Average: 5776570 7469375 320549 3.94 71437 1801151 625143 6.81 516468 1569831 133 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.21 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.22 0.09 0.07 0.04 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.56 0.14 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 48.91 35.00 296.77 10.98 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 12.94 9.34 37.44 1.33 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.57 8.93 66.91 2.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53422) 03/28/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.21 0.00 0.10 0.01 0.03 99.65 00:10:01 0 0.14 0.00 0.11 0.01 0.03 99.72 00:10:01 1 0.28 0.00 0.09 0.01 0.03 99.59 00:20:01 all 0.57 0.00 0.19 0.02 0.03 99.18 00:20:01 0 0.62 0.00 0.17 0.01 0.02 99.18 00:20:01 1 0.52 0.00 0.22 0.03 0.04 99.19 00:30:00 all 0.26 0.00 0.15 0.02 0.03 99.54 00:30:00 0 0.46 0.00 0.14 0.02 0.02 99.35 00:30:00 1 0.06 0.00 0.16 0.01 0.04 99.73 00:40:01 all 10.44 0.00 1.58 0.57 0.05 87.36 00:40:01 0 9.11 0.00 1.48 0.62 0.05 88.75 00:40:01 1 11.77 0.00 1.69 0.52 0.05 85.98 00:50:00 all 0.94 0.00 0.20 0.05 0.07 98.74 00:50:00 0 0.76 0.00 0.18 0.02 0.08 98.97 00:50:00 1 1.12 0.00 0.22 0.08 0.06 98.51 Average: all 2.49 0.00 0.44 0.13 0.04 96.90 Average: 0 2.22 0.00 0.41 0.14 0.04 97.19 Average: 1 2.75 0.00 0.47 0.13 0.04 96.60