---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-135 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 762 5189 4 2283 7179 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:65:2d:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81433sec preferred_lft 81433sec inet6 fe80::f816:3eff:fe65:2d05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-135) 09/05/26 _x86_64_ (2 CPU) 01:06:41 LINUX RESTART (2 CPU) 01:10:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:26 2.15 0.36 1.77 0.02 44.75 107.07 30.01 01:30:26 1.56 0.01 1.54 0.02 0.05 18.51 644.89 01:40:26 1.26 0.00 1.26 0.00 0.00 15.21 0.00 01:50:06 1.24 0.00 1.24 0.00 0.00 14.97 0.00 02:00:26 1.47 0.00 1.46 0.01 0.00 17.81 412.41 02:10:26 1.44 0.03 1.42 0.00 2.15 16.67 0.04 02:20:26 1.28 0.00 1.28 0.00 0.00 15.13 0.00 Average: 1.49 0.06 1.42 0.01 6.71 29.35 157.36 01:10:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:26 6231176 7517440 302180 3.72 31004 1461440 721748 7.86 462672 1212572 132 01:30:26 6246152 7532992 286660 3.52 31216 1461772 722004 7.86 462804 1213116 136 01:40:26 6252244 7539576 280060 3.44 31376 1462104 722072 7.86 462956 1213600 204 01:50:06 6251744 7539564 280064 3.44 31536 1462424 722104 7.87 463548 1214084 220 02:00:26 6245016 7533644 285900 3.52 31732 1463008 723528 7.88 465008 1214612 184 02:10:26 6227544 7517336 302196 3.72 31908 1463980 723528 7.88 465660 1215200 192 02:20:26 6234968 7525244 294292 3.62 32076 1464300 723528 7.88 465616 1215688 176 Average: 6241263 7529399 290193 3.57 31550 1462718 722645 7.87 464038 1214125 178 01:10:26 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 1.84 0.39 3.50 0.12 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.50 0.09 0.08 0.04 0.00 0.00 0.00 0.00 01:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 0.46 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.60 0.15 0.17 0.12 0.00 0.00 0.00 0.00 02:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:26 ens3 0.39 0.18 0.07 0.66 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 0.23 0.07 0.04 0.07 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.23 0.05 0.04 0.02 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 0.14 0.57 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-135) 09/05/26 _x86_64_ (2 CPU) 01:06:41 LINUX RESTART (2 CPU) 01:10:26 CPU %user %nice %system %iowait %steal %idle 01:20:26 all 0.44 0.00 0.15 0.03 0.01 99.38 01:20:26 0 0.35 0.00 0.20 0.05 0.01 99.39 01:20:26 1 0.53 0.00 0.09 0.00 0.01 99.36 01:30:26 all 0.31 0.00 0.16 0.01 0.01 99.51 01:30:26 0 0.32 0.00 0.15 0.01 0.01 99.51 01:30:26 1 0.29 0.00 0.17 0.01 0.01 99.51 01:40:26 all 0.29 0.00 0.09 0.01 0.00 99.61 01:40:26 0 0.52 0.00 0.07 0.01 0.00 99.40 01:40:26 1 0.06 0.00 0.11 0.01 0.01 99.82 01:50:06 all 0.25 0.00 0.09 0.01 0.01 99.65 01:50:06 0 0.43 0.00 0.07 0.01 0.01 99.50 01:50:06 1 0.07 0.00 0.10 0.01 0.01 99.81 02:00:26 all 0.26 0.00 0.16 0.01 0.00 99.57 02:00:26 0 0.32 0.00 0.14 0.01 0.00 99.53 02:00:26 1 0.20 0.00 0.17 0.02 0.01 99.61 02:10:26 all 0.22 0.00 0.10 0.01 0.00 99.67 02:10:26 0 0.38 0.00 0.09 0.02 0.00 99.51 02:10:26 1 0.05 0.00 0.11 0.01 0.01 99.82 02:20:26 all 0.28 0.00 0.07 0.01 0.00 99.64 02:20:26 0 0.50 0.00 0.03 0.00 0.00 99.46 02:20:26 1 0.05 0.00 0.11 0.02 0.01 99.82 Average: all 0.29 0.00 0.12 0.01 0.01 99.57 Average: 0 0.40 0.00 0.11 0.01 0.00 99.47 Average: 1 0.18 0.00 0.12 0.01 0.01 99.68