---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8090 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 767 4999 4 2469 7173 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:1b:ec:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80264sec preferred_lft 80264sec inet6 fe80::f816:3eff:fe1b:ecf9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8090) 09/14/26 _x86_64_ (2 CPU) 01:04:48 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:28 1.48 0.03 1.45 0.00 1.26 17.15 0.06 01:30:28 14.82 0.00 1.58 13.23 0.15 19.45 109264.22 01:40:04 1.28 0.00 1.28 0.00 0.00 15.24 0.07 01:50:01 1.28 0.00 1.28 0.00 0.00 15.05 0.00 02:00:04 2.21 0.35 1.83 0.02 45.41 107.90 424.72 02:10:04 1.33 0.00 1.33 0.00 0.00 15.52 9.95 02:20:01 1.37 0.00 1.35 0.02 0.00 16.34 50.02 02:30:04 1.57 0.00 1.53 0.03 0.00 18.85 893.73 02:40:04 26.58 2.83 21.42 2.33 222.63 3779.51 1157.63 Average: 5.77 0.36 3.67 1.74 29.97 445.05 12422.93 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:28 6300380 7547700 273116 3.36 30628 1423360 530136 5.77 442688 1184084 124 01:30:28 6297632 7545532 275188 3.38 30820 1423728 530196 5.77 442896 1184616 8 01:40:04 6294900 7543300 277416 3.41 30976 1424064 530428 5.78 445420 1185108 176 01:50:01 6295308 7544184 276556 3.40 31128 1424384 530432 5.78 445356 1185580 288 02:00:04 6225416 7515044 304732 3.75 31752 1463980 731988 7.97 464296 1215028 252 02:10:04 6225416 7515532 304248 3.74 31916 1464304 732052 7.97 465092 1215516 240 02:20:01 6233228 7523888 295864 3.64 32128 1464636 732052 7.97 465092 1216048 276 02:30:04 6233732 7524960 294780 3.62 32336 1464964 732052 7.97 465176 1216596 192 02:40:04 5127824 7387556 378728 4.66 87848 2332372 856860 9.33 617096 2094464 1356 Average: 6137093 7516411 297848 3.66 37726 1542866 656244 7.15 472568 1299671 324 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.76 0.11 0.24 0.06 0.00 0.00 0.00 0.00 01:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.56 0.06 0.90 0.04 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.55 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.21 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:04 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.68 0.36 3.33 0.06 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.28 0.19 0.03 0.47 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.18 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.16 0.02 0.02 0.01 0.00 0.00 0.00 0.00 02:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:04 ens3 88.35 64.72 344.50 14.47 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.19 7.29 38.80 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8090) 09/14/26 _x86_64_ (2 CPU) 01:04:48 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:28 all 0.29 0.00 0.13 0.01 0.00 99.57 01:20:28 0 0.08 0.00 0.16 0.02 0.00 99.74 01:20:28 1 0.50 0.00 0.09 0.01 0.00 99.40 01:30:28 all 0.33 0.00 0.22 0.04 0.01 99.40 01:30:28 0 0.15 0.00 0.26 0.07 0.01 99.51 01:30:28 1 0.51 0.00 0.19 0.00 0.01 99.29 01:40:04 all 0.27 0.00 0.11 0.01 0.00 99.60 01:40:04 0 0.05 0.00 0.13 0.02 0.00 99.79 01:40:04 1 0.49 0.00 0.09 0.00 0.00 99.41 01:50:01 all 0.26 0.00 0.09 0.01 0.00 99.64 01:50:01 0 0.05 0.00 0.13 0.01 0.00 99.81 01:50:01 1 0.47 0.00 0.06 0.01 0.00 99.46 02:00:04 all 0.49 0.00 0.25 0.03 0.00 99.23 02:00:04 0 0.57 0.00 0.28 0.03 0.00 99.12 02:00:04 1 0.41 0.00 0.22 0.03 0.00 99.35 02:10:04 all 0.27 0.00 0.09 0.01 0.01 99.62 02:10:04 0 0.45 0.00 0.08 0.02 0.01 99.44 02:10:04 1 0.08 0.00 0.10 0.00 0.01 99.81 02:20:01 all 0.26 0.00 0.09 0.01 0.00 99.64 02:20:01 0 0.46 0.00 0.06 0.02 0.00 99.47 02:20:01 1 0.06 0.00 0.12 0.01 0.00 99.81 02:30:04 all 0.30 0.00 0.21 0.02 0.00 99.47 02:30:04 0 0.53 0.00 0.21 0.01 0.00 99.26 02:30:04 1 0.08 0.00 0.21 0.02 0.00 99.68 02:40:04 all 16.26 0.00 2.09 0.68 0.01 80.96 02:40:04 0 21.02 0.00 2.28 1.07 0.02 75.61 02:40:04 1 11.51 0.00 1.89 0.30 0.01 86.29 Average: all 2.08 0.00 0.36 0.09 0.00 97.46 Average: 0 2.59 0.00 0.40 0.14 0.00 96.86 Average: 1 1.57 0.00 0.33 0.04 0.00 98.05