---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58788 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 764 5172 4 2298 7176 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:1d:8c:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84152sec preferred_lft 84152sec inet6 fe80::f816:3eff:fe1d:8cc4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58788) 09/26/26 _x86_64_ (2 CPU) 01:03:47 LINUX RESTART (2 CPU) 01:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:21 1.27 0.01 1.25 0.01 0.07 15.66 0.12 01:30:05 1.33 0.00 1.30 0.03 0.00 16.35 2.05 01:40:05 3.12 0.04 2.38 0.69 1.47 93.88 2486.44 Average: 1.91 0.02 1.64 0.25 0.51 42.11 834.15 01:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:21 5165700 7402724 362236 4.45 87836 2309664 826936 9.01 590792 2072408 216 01:30:05 5163100 7400652 364264 4.48 88012 2310016 827004 9.01 590920 2072940 208 01:40:05 5341492 7381908 392088 4.82 89292 2119848 835868 9.10 625960 1883872 23820 Average: 5223431 7395095 372863 4.58 88380 2246509 829936 9.04 602557 2009740 8081 01:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 1.13 0.25 0.19 0.09 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 1.08 0.27 10.62 0.07 0.00 0.00 0.00 0.00 01:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 5.93 4.21 7.80 2.29 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.72 1.58 6.14 0.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58788) 09/26/26 _x86_64_ (2 CPU) 01:03:47 LINUX RESTART (2 CPU) 01:10:15 CPU %user %nice %system %iowait %steal %idle 01:20:21 all 0.39 0.00 0.15 0.01 0.00 99.45 01:20:21 0 0.49 0.00 0.09 0.01 0.00 99.41 01:20:21 1 0.30 0.00 0.20 0.01 0.01 99.49 01:30:05 all 0.42 0.00 0.21 0.01 0.01 99.35 01:30:05 0 0.39 0.00 0.21 0.01 0.01 99.38 01:30:05 1 0.45 0.00 0.21 0.01 0.00 99.33 01:40:05 all 1.87 0.00 0.31 0.05 0.01 97.76 01:40:05 0 0.75 0.00 0.18 0.09 0.00 98.98 01:40:05 1 2.99 0.00 0.44 0.02 0.01 96.54 Average: all 0.89 0.00 0.22 0.03 0.00 98.85 Average: 0 0.54 0.00 0.16 0.03 0.00 99.25 Average: 1 1.25 0.00 0.28 0.02 0.01 98.45