---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6944 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 779 5128 4 2327 7162 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:ce:f2:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83852sec preferred_lft 83852sec inet6 fe80::f816:3eff:fece:f215/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6944) 09/11/26 _x86_64_ (2 CPU) 00:40:46 LINUX RESTART (2 CPU) 00:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 23.59 2.92 18.40 2.28 230.06 3025.58 1049.47 01:10:21 16.90 0.01 3.09 13.80 0.61 589.85 103481.60 01:20:21 1.36 0.00 1.35 0.00 0.01 87.40 0.40 Average: 13.89 0.95 7.47 5.47 74.75 1211.48 35802.52 00:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 5215812 7399488 367868 4.52 87284 2257416 591220 6.44 563180 2029272 161988 01:10:21 5186052 7380660 386580 4.75 87456 2268260 688196 7.50 615984 2040228 304 01:20:21 5161660 7378180 389068 4.78 87620 2289980 682920 7.44 619168 2062144 1124 Average: 5187841 7386109 381172 4.69 87453 2271885 654112 7.12 599444 2043881 54472 00:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:00:05 ens3 56.57 36.54 326.85 8.42 0.00 0.00 0.00 0.00 01:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:21 ens3 56.32 44.35 11.41 7.41 0.00 0.00 0.00 0.00 01:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 43.07 42.32 9.61 6.01 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 51.98 41.14 113.01 7.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6944) 09/11/26 _x86_64_ (2 CPU) 00:40:46 LINUX RESTART (2 CPU) 00:50:22 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 12.00 0.00 2.09 0.63 0.03 85.26 01:00:05 0 15.48 0.00 2.22 0.59 0.03 81.67 01:00:05 1 8.51 0.00 1.96 0.66 0.02 88.85 01:10:21 all 4.27 0.00 0.64 0.06 0.03 94.99 01:10:21 0 5.43 0.00 0.65 0.05 0.03 93.84 01:10:21 1 3.13 0.00 0.63 0.08 0.02 96.14 01:20:21 all 6.80 0.00 0.64 0.01 0.02 92.52 01:20:21 0 9.39 0.00 0.66 0.01 0.03 89.92 01:20:21 1 4.24 0.00 0.63 0.02 0.02 95.09 Average: all 7.64 0.00 1.12 0.23 0.03 90.98 Average: 0 10.04 0.00 1.17 0.21 0.03 88.54 Average: 1 5.26 0.00 1.06 0.25 0.02 93.41