---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7797 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 8.2G 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 4969 4 2494 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:32:11:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83816sec preferred_lft 83816sec inet6 fe80::f816:3eff:fe32:11b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7797) 09/13/26 _x86_64_ (2 CPU) 00:38:36 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:21 20.61 1.46 17.09 2.06 122.11 2924.09 803.35 01:00:15 1.54 0.01 1.51 0.02 0.05 27.05 1.08 01:10:01 1.13 0.00 1.13 0.00 0.00 17.18 0.00 01:20:15 1.91 0.32 1.58 0.01 42.11 105.12 0.17 Average: 6.44 0.46 5.44 0.54 42.12 789.29 206.84 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:21 5217948 7402688 364452 4.48 87236 2258792 621932 6.77 586928 2031368 264 01:00:15 5194340 7381976 384852 4.73 87428 2261496 626052 6.82 590944 2034264 256 01:10:01 5193428 7382156 384704 4.73 87584 2262444 626456 6.82 591084 2035360 292 01:20:15 5191744 7420968 345420 4.25 88052 2302368 768120 8.37 554788 2065700 992 Average: 5199365 7396947 369857 4.55 87575 2271275 660640 7.20 580936 2041673 451 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:21 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 00:50:21 ens3 26.51 18.88 176.25 2.98 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 1.46 0.26 0.23 0.09 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 3.91 0.47 24.41 0.21 0.00 0.00 0.00 0.00 01:20:15 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 1.46 0.68 3.47 0.20 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 8.49 5.20 52.18 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7797) 09/13/26 _x86_64_ (2 CPU) 00:38:36 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:21 all 9.49 0.00 1.53 0.42 0.02 88.55 00:50:21 0 5.89 0.00 1.33 0.31 0.02 92.44 00:50:21 1 13.08 0.00 1.72 0.52 0.02 84.66 01:00:15 all 1.50 0.00 0.26 0.06 0.01 98.18 01:00:15 0 2.38 0.00 0.28 0.01 0.01 97.32 01:00:15 1 0.61 0.00 0.23 0.11 0.01 99.05 01:10:01 all 1.05 0.00 0.15 0.01 0.01 98.77 01:10:01 0 1.54 0.00 0.17 0.01 0.02 98.27 01:10:01 1 0.57 0.00 0.14 0.01 0.01 99.28 01:20:15 all 1.29 0.00 0.20 0.02 0.01 98.48 01:20:15 0 1.95 0.00 0.24 0.04 0.01 97.75 01:20:15 1 0.63 0.00 0.15 0.00 0.01 99.21 Average: all 3.39 0.00 0.54 0.13 0.01 95.92 Average: 0 2.97 0.00 0.52 0.10 0.02 96.40 Average: 1 3.82 0.00 0.57 0.16 0.01 95.44