---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8516 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 750 5186 4 2299 7191 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:62:f4:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80620sec preferred_lft 80620sec inet6 fe80::f816:3eff:fe62:f4e6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8516) 09/16/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 15.79 0.37 1.70 13.72 46.60 110.02 113216.15 01:30:12 1.54 0.01 1.51 0.02 0.05 18.41 466.84 01:40:22 1.30 0.00 1.29 0.02 0.00 15.66 44.11 01:50:01 1.30 0.00 1.28 0.02 0.00 15.47 51.54 02:00:12 1.41 0.00 1.38 0.03 0.00 17.37 457.98 02:10:42 1.13 0.00 1.12 0.02 0.00 14.32 42.70 02:20:01 1.16 0.00 1.14 0.02 0.00 14.40 53.44 02:30:42 1.29 0.00 1.27 0.02 0.00 16.32 440.75 02:40:02 29.70 3.26 23.60 2.84 247.27 3875.75 3457.64 Average: 5.82 0.38 3.65 1.79 30.75 427.88 12702.26 01:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6237996 7524912 294556 3.62 31028 1462048 726040 7.91 461312 1213000 124 01:30:12 6240936 7528504 290828 3.58 31288 1462416 725188 7.90 461276 1213596 196 01:40:22 6244248 7532380 286984 3.53 31488 1462744 725188 7.90 461856 1214156 184 01:50:01 6238200 7526868 292520 3.60 31688 1463076 725188 7.90 463240 1214624 124 02:00:12 6237328 7526616 292624 3.60 31904 1463460 725320 7.90 463532 1215220 180 02:10:42 6237104 7527068 292168 3.59 32120 1463916 725320 7.90 463584 1215768 168 02:20:01 6235592 7526048 293188 3.61 32328 1464200 725320 7.90 463824 1216252 252 02:30:42 6235564 7526760 292460 3.60 32548 1464696 725320 7.90 464176 1216848 136 02:40:02 5358908 7407384 367420 4.52 90288 2126888 800984 8.72 602488 1890872 17288 Average: 6140653 7514060 300305 3.69 38298 1537049 733763 7.99 478365 1290037 2072 01:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.08 0.33 3.53 0.08 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.49 0.06 0.34 0.03 0.00 0.00 0.00 0.00 01:40:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:22 ens3 0.51 0.06 0.08 0.03 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 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.40 0.19 0.07 0.46 0.00 0.00 0.00 0.00 02:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:42 ens3 0.22 0.03 0.03 0.01 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 0.22 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:30:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:42 ens3 0.26 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:40:02 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 02:40:02 ens3 142.90 117.28 388.92 36.57 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 15.25 12.30 40.94 3.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8516) 09/16/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:22 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.44 0.00 0.17 0.05 0.00 99.33 01:20:01 0 0.58 0.00 0.12 0.04 0.00 99.25 01:20:01 1 0.31 0.00 0.21 0.07 0.00 99.41 01:30:12 all 0.28 0.00 0.17 0.01 0.00 99.53 01:30:12 0 0.46 0.00 0.15 0.00 0.00 99.39 01:30:12 1 0.10 0.00 0.20 0.02 0.00 99.67 01:40:22 all 0.27 0.00 0.08 0.01 0.00 99.64 01:40:22 0 0.47 0.00 0.04 0.00 0.00 99.48 01:40:22 1 0.07 0.00 0.13 0.01 0.00 99.79 01:50:01 all 0.30 0.00 0.08 0.01 0.00 99.60 01:50:01 0 0.51 0.00 0.06 0.02 0.00 99.42 01:50:01 1 0.10 0.00 0.11 0.01 0.00 99.79 02:00:12 all 0.31 0.00 0.17 0.01 0.00 99.50 02:00:12 0 0.53 0.00 0.14 0.02 0.00 99.31 02:00:12 1 0.10 0.00 0.20 0.00 0.00 99.70 02:10:42 all 0.24 0.00 0.08 0.01 0.00 99.67 02:10:42 0 0.23 0.00 0.07 0.01 0.00 99.69 02:10:42 1 0.24 0.00 0.09 0.01 0.01 99.65 02:20:01 all 0.24 0.00 0.08 0.03 0.01 99.64 02:20:01 0 0.38 0.00 0.06 0.04 0.01 99.51 02:20:01 1 0.10 0.00 0.11 0.01 0.01 99.78 02:30:42 all 0.29 0.00 0.16 0.01 0.01 99.53 02:30:42 0 0.49 0.00 0.13 0.02 0.00 99.36 02:30:42 1 0.08 0.00 0.20 0.00 0.01 99.71 02:40:02 all 20.06 0.00 2.64 0.71 0.03 76.55 02:40:02 0 29.01 0.00 2.93 0.86 0.03 67.16 02:40:02 1 11.12 0.00 2.35 0.57 0.03 85.93 Average: all 2.35 0.00 0.39 0.09 0.01 97.16 Average: 0 3.42 0.00 0.39 0.11 0.01 96.07 Average: 1 1.28 0.00 0.38 0.07 0.01 98.25