---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8482 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: 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 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 784 5162 4 2288 7157 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:6a:ca:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83157sec preferred_lft 83157sec inet6 fe80::f816:3eff:fe6a:cad4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8482) 09/16/26 _x86_64_ (2 CPU) 00:39:37 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.60 0.04 1.54 0.03 1.56 27.49 222.10 01:00:08 21.50 3.12 16.65 1.73 262.81 2742.07 1366.18 01:10:08 5.87 0.02 5.27 0.58 1.96 868.08 363.32 01:20:01 1.12 0.00 1.12 0.00 0.01 14.48 0.01 01:30:08 1.42 0.00 1.41 0.02 0.00 17.96 0.34 Average: 6.35 0.64 5.23 0.47 53.85 739.94 392.97 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6298704 7545444 274944 3.38 30544 1422836 529380 5.77 442180 1183852 256 01:00:08 5181364 7377012 390404 4.80 83496 2273508 854716 9.31 625964 2032084 178840 01:10:08 5182768 7408552 357608 4.40 87344 2298964 837432 9.12 594608 2061188 232 01:20:01 5183856 7410128 356016 4.38 87484 2299316 837608 9.12 594856 2061676 192 01:30:08 5172596 7399440 366692 4.51 87624 2299740 837640 9.12 595084 2062180 264 Average: 5403858 7428115 349133 4.29 75298 2118873 779355 8.49 570538 1880196 35957 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.31 0.21 0.57 0.12 0.00 0.00 0.00 0.00 01:00:08 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:00:08 ens3 50.78 36.13 318.61 7.58 0.00 0.00 0.00 0.00 01:10:08 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 25.84 14.77 5.59 4.25 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.91 0.20 0.15 0.07 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.55 0.20 0.11 0.05 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.18 10.38 65.71 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8482) 09/16/26 _x86_64_ (2 CPU) 00:39:37 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.35 0.00 0.20 0.02 0.01 99.44 00:50:01 0 0.54 0.00 0.18 0.02 0.01 99.25 00:50:01 1 0.16 0.00 0.21 0.01 0.01 99.62 01:00:08 all 10.03 0.00 1.79 0.56 0.01 87.61 01:00:08 0 7.49 0.00 1.71 0.59 0.01 90.21 01:00:08 1 12.57 0.00 1.86 0.53 0.02 85.02 01:10:08 all 2.33 0.00 0.53 0.07 0.02 97.06 01:10:08 0 1.27 0.00 0.41 0.05 0.01 98.26 01:10:08 1 3.39 0.00 0.66 0.08 0.02 95.85 01:20:01 all 0.39 0.00 0.15 0.01 0.01 99.44 01:20:01 0 0.47 0.00 0.08 0.00 0.00 99.44 01:20:01 1 0.31 0.00 0.22 0.01 0.01 99.44 01:30:08 all 0.41 0.00 0.24 0.01 0.01 99.34 01:30:08 0 0.50 0.00 0.20 0.01 0.01 99.29 01:30:08 1 0.32 0.00 0.28 0.01 0.01 99.38 Average: all 2.72 0.00 0.58 0.13 0.01 96.55 Average: 0 2.07 0.00 0.52 0.14 0.01 97.27 Average: 1 3.38 0.00 0.65 0.13 0.01 95.83