---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9452 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 767 5174 4 2294 7174 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:4e:2e:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80702sec preferred_lft 80702sec inet6 fe80::f816:3eff:fe4e:2ed0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9452) 09/19/26 _x86_64_ (2 CPU) 01:04:59 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:26 2.06 0.36 1.69 0.01 44.07 105.75 0.29 01:30:06 1.43 0.00 1.40 0.03 0.00 17.48 492.59 01:40:06 1.30 0.00 1.29 0.02 0.00 15.91 49.73 01:50:01 1.28 0.00 1.26 0.02 0.00 15.85 50.14 02:00:26 14.24 0.02 1.51 12.71 1.73 18.74 105079.92 02:10:26 1.34 0.00 1.33 0.02 0.00 16.04 49.73 02:20:01 1.36 0.00 1.34 0.02 0.00 16.22 51.85 02:30:26 1.47 0.00 1.45 0.03 0.00 18.37 462.32 Average: 3.13 0.05 1.41 1.67 5.81 28.22 13794.86 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:26 6229976 7516948 302300 3.72 31096 1462244 723932 7.89 463036 1213072 8 01:30:06 6232380 7519960 299092 3.68 31300 1462588 724000 7.89 463044 1213620 220 01:40:06 6247556 7535696 283384 3.48 31524 1462916 724032 7.89 463292 1214172 284 01:50:01 6246496 7535192 283888 3.49 31732 1463264 730476 7.96 466720 1214664 240 02:00:26 6230916 7520888 297996 3.66 31940 1464304 724520 7.89 464376 1215316 272 02:10:26 6234348 7524852 294024 3.62 32140 1464632 724584 7.89 464412 1215844 176 02:20:01 6233476 7524636 294220 3.62 32332 1465088 724584 7.89 464556 1216364 296 02:30:26 6239796 7531548 287284 3.53 32568 1465416 724592 7.89 464556 1216924 180 Average: 6236868 7526215 292774 3.60 31829 1463806 725090 7.90 464249 1214997 210 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:26 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 1.14 0.35 3.41 0.11 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 1.44 0.08 12.73 0.04 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.61 0.09 0.10 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 0.54 0.25 0.14 0.61 0.00 0.00 0.00 0.00 02:00:26 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:26 ens3 0.44 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:26 ens3 0.24 0.04 0.05 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 0.18 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:26 ens3 0.30 0.04 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.61 0.12 2.02 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9452) 09/19/26 _x86_64_ (2 CPU) 01:04:59 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:26 all 0.52 0.00 0.14 0.03 0.00 99.31 01:20:26 0 0.24 0.00 0.13 0.02 0.00 99.60 01:20:26 1 0.79 0.00 0.14 0.04 0.00 99.02 01:30:06 all 0.26 0.00 0.16 0.01 0.00 99.56 01:30:06 0 0.15 0.00 0.16 0.00 0.00 99.68 01:30:06 1 0.37 0.00 0.17 0.02 0.00 99.44 01:40:06 all 0.28 0.00 0.08 0.01 0.00 99.63 01:40:06 0 0.06 0.00 0.10 0.00 0.01 99.84 01:40:06 1 0.50 0.00 0.06 0.02 0.00 99.42 01:50:01 all 0.29 0.00 0.08 0.02 0.00 99.61 01:50:01 0 0.24 0.00 0.09 0.00 0.00 99.67 01:50:01 1 0.34 0.00 0.07 0.03 0.00 99.55 02:00:26 all 0.30 0.00 0.17 0.05 0.00 99.48 02:00:26 0 0.33 0.00 0.16 0.06 0.00 99.45 02:00:26 1 0.26 0.00 0.18 0.03 0.00 99.52 02:10:26 all 0.24 0.00 0.07 0.01 0.00 99.68 02:10:26 0 0.39 0.00 0.05 0.00 0.00 99.56 02:10:26 1 0.08 0.00 0.10 0.02 0.00 99.79 02:20:01 all 0.25 0.00 0.07 0.01 0.00 99.67 02:20:01 0 0.20 0.00 0.07 0.00 0.00 99.73 02:20:01 1 0.29 0.00 0.07 0.02 0.00 99.61 02:30:26 all 0.26 0.00 0.15 0.01 0.00 99.57 02:30:26 0 0.46 0.00 0.12 0.00 0.00 99.42 02:30:26 1 0.07 0.00 0.18 0.03 0.01 99.72 Average: all 0.30 0.00 0.12 0.02 0.00 99.56 Average: 0 0.26 0.00 0.11 0.01 0.00 99.62 Average: 1 0.34 0.00 0.12 0.03 0.00 99.51