---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8311 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 754 5192 4 2288 7187 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:52:c7:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80675sec preferred_lft 80675sec inet6 fe80::f816:3eff:fe52:c734/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8311) 09/15/26 _x86_64_ (2 CPU) 01:06:38 LINUX RESTART (2 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.40 0.03 1.36 0.01 1.29 16.55 0.67 01:30:12 1.43 0.01 1.40 0.03 0.05 17.52 1.14 01:40:27 14.74 0.32 1.52 12.90 42.56 102.41 106275.21 01:50:01 1.11 0.00 1.11 0.00 0.00 13.49 0.00 02:00:27 1.32 0.00 1.31 0.01 0.00 16.21 408.82 02:10:27 1.22 0.00 1.22 0.00 0.00 14.51 0.00 02:20:01 1.20 0.00 1.20 0.00 0.00 14.22 0.00 02:30:27 1.39 0.00 1.38 0.01 0.00 16.98 613.57 02:40:00 29.01 2.98 23.58 2.46 234.67 3859.78 2464.33 Average: 5.79 0.36 3.69 1.74 30.00 434.90 12524.65 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6294168 7541384 279464 3.44 30560 1423328 528364 5.75 444952 1183868 124 01:30:12 6294964 7542752 278052 3.42 30788 1423660 528356 5.75 445072 1184416 184 01:40:27 6248300 7536132 283636 3.49 31444 1462532 730084 7.95 463608 1213836 188 01:50:01 6246624 7534940 284800 3.50 31612 1462860 730284 7.95 463636 1214312 288 02:00:27 6236996 7526008 293596 3.61 31792 1463316 730284 7.95 463852 1214848 132 02:10:27 6236492 7526000 293596 3.61 31952 1463648 730284 7.95 463984 1215340 140 02:20:01 6236048 7526040 293588 3.61 32104 1463972 730284 7.95 463996 1215816 276 02:30:27 6234612 7525136 294456 3.62 32300 1464304 730348 7.95 464128 1216344 136 02:40:00 5428076 7460992 314056 3.86 88712 2112628 762744 8.31 553872 1875584 996 Average: 6161809 7524376 290583 3.57 37918 1526694 689004 7.50 469678 1281596 274 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.29 0.10 0.23 0.04 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 0.52 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:40:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:27 ens3 0.86 0.22 3.30 0.06 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 0.28 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.30 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:27 ens3 0.20 0.04 0.04 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 0.21 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.27 0.13 0.03 0.50 0.00 0.00 0.00 0.00 02:40:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:40:00 ens3 156.50 132.82 1670.01 89.30 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 17.10 14.22 178.26 9.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8311) 09/15/26 _x86_64_ (2 CPU) 01:06:38 LINUX RESTART (2 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.33 0.00 0.13 0.01 0.01 99.52 01:20:01 0 0.16 0.00 0.14 0.00 0.01 99.69 01:20:01 1 0.51 0.00 0.11 0.02 0.01 99.35 01:30:12 all 0.29 0.00 0.19 0.01 0.01 99.50 01:30:12 0 0.10 0.00 0.20 0.00 0.01 99.69 01:30:12 1 0.49 0.00 0.17 0.02 0.01 99.32 01:40:27 all 0.44 0.00 0.17 0.05 0.01 99.33 01:40:27 0 0.47 0.00 0.14 0.02 0.01 99.36 01:40:27 1 0.41 0.00 0.20 0.09 0.01 99.29 01:50:01 all 0.26 0.00 0.10 0.01 0.01 99.62 01:50:01 0 0.45 0.00 0.06 0.02 0.01 99.46 01:50:01 1 0.07 0.00 0.14 0.01 0.01 99.78 02:00:27 all 0.29 0.00 0.16 0.01 0.01 99.53 02:00:27 0 0.18 0.00 0.16 0.01 0.01 99.64 02:00:27 1 0.40 0.00 0.16 0.02 0.01 99.41 02:10:27 all 0.29 0.00 0.10 0.01 0.01 99.59 02:10:27 0 0.06 0.00 0.12 0.00 0.01 99.80 02:10:27 1 0.51 0.00 0.09 0.02 0.01 99.38 02:20:01 all 0.27 0.00 0.09 0.01 0.01 99.62 02:20:01 0 0.06 0.00 0.10 0.03 0.01 99.80 02:20:01 1 0.48 0.00 0.08 0.00 0.01 99.43 02:30:27 all 0.30 0.00 0.18 0.01 0.02 99.50 02:30:27 0 0.20 0.00 0.18 0.01 0.02 99.59 02:30:27 1 0.39 0.00 0.17 0.02 0.01 99.41 02:40:00 all 16.81 0.00 2.68 1.89 0.04 78.57 02:40:00 0 20.29 0.00 3.09 1.02 0.05 75.55 02:40:00 1 13.35 0.00 2.28 2.76 0.04 81.57 Average: all 2.06 0.00 0.41 0.22 0.01 97.30 Average: 0 2.34 0.00 0.45 0.12 0.01 97.08 Average: 1 1.78 0.00 0.37 0.31 0.01 97.52