---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6213 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 8.2G 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 769 4999 4 2467 7172 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:12:1a:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79743sec preferred_lft 79743sec inet6 fe80::f816:3eff:fe12:1a54/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6213) 09/09/26 _x86_64_ (2 CPU) 01:07:43 LINUX RESTART (2 CPU) 01:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.41 0.03 1.38 0.00 1.30 16.50 0.10 01:30:20 2.19 0.32 1.83 0.03 42.14 105.56 216.78 01:40:13 1.33 0.00 1.32 0.02 0.00 15.62 45.25 01:50:01 1.28 0.00 1.28 0.00 0.00 15.59 0.00 02:00:20 1.60 0.00 1.59 0.01 0.44 19.32 620.92 02:10:20 1.51 0.02 1.49 0.00 1.69 17.65 0.04 02:20:01 1.33 0.00 1.33 0.00 0.00 15.46 0.00 02:30:20 14.43 0.00 1.60 12.83 0.14 19.13 106051.38 02:40:20 1.37 0.00 1.37 0.00 0.00 16.15 0.00 02:50:01 26.31 2.93 21.05 2.34 229.82 3659.77 1150.51 Average: 5.26 0.32 3.37 1.56 27.07 380.31 11174.83 01:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6296948 7543952 276404 3.40 30528 1423152 532356 5.80 444876 1183720 124 01:30:20 6226212 7513188 306224 3.77 31208 1461912 733524 7.99 462960 1213076 132 01:40:13 6239876 7527376 291984 3.59 31404 1462236 733524 7.99 463004 1213596 168 01:50:01 6242684 7530668 288700 3.55 31556 1462564 733696 7.99 463092 1214076 240 02:00:20 6235924 7524720 294648 3.62 31764 1463140 739316 8.05 465312 1214616 132 02:10:20 6231516 7521364 297956 3.66 31956 1463988 733760 7.99 464040 1215212 132 02:20:01 6230764 7521088 298220 3.67 32100 1464316 733832 7.99 463996 1215684 240 02:30:20 6241948 7532844 286356 3.52 32276 1464692 733828 7.99 464308 1216208 132 02:40:20 6240968 7532364 286832 3.53 32444 1465016 733820 7.99 464388 1216700 132 02:50:01 5146660 7391376 374628 4.61 87768 2317600 857728 9.34 613236 2079408 1028 Average: 6133350 7513894 300195 3.69 37300 1544862 726538 7.91 476921 1298230 246 01:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.56 0.08 0.18 0.06 0.00 0.00 0.00 0.00 01:30:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.77 0.28 3.24 0.06 0.00 0.00 0.00 0.00 01:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.31 0.07 0.07 0.04 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 0.44 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 0.28 0.07 0.06 0.03 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 0.34 0.05 0.04 0.02 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 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.32 0.17 0.05 0.55 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.39 0.08 0.12 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 71.42 55.30 345.79 13.46 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.41 5.47 34.02 1.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6213) 09/09/26 _x86_64_ (2 CPU) 01:07:43 LINUX RESTART (2 CPU) 01:10:20 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.28 0.00 0.10 0.02 0.01 99.60 01:20:00 0 0.47 0.00 0.07 0.00 0.01 99.44 01:20:00 1 0.08 0.00 0.12 0.03 0.02 99.76 01:30:20 all 0.43 0.00 0.24 0.03 0.01 99.29 01:30:20 0 0.56 0.00 0.20 0.02 0.01 99.21 01:30:20 1 0.31 0.00 0.27 0.04 0.01 99.37 01:40:13 all 0.27 0.00 0.10 0.01 0.01 99.61 01:40:13 0 0.47 0.00 0.07 0.00 0.01 99.45 01:40:13 1 0.08 0.00 0.12 0.02 0.01 99.77 01:50:01 all 0.25 0.00 0.09 0.01 0.01 99.64 01:50:01 0 0.37 0.00 0.06 0.00 0.01 99.56 01:50:01 1 0.13 0.00 0.11 0.03 0.01 99.72 02:00:20 all 0.29 0.00 0.18 0.01 0.01 99.51 02:00:20 0 0.09 0.00 0.20 0.00 0.01 99.70 02:00:20 1 0.49 0.00 0.16 0.02 0.01 99.32 02:10:20 all 0.25 0.00 0.11 0.02 0.01 99.62 02:10:20 0 0.10 0.00 0.13 0.00 0.01 99.75 02:10:20 1 0.39 0.00 0.09 0.03 0.01 99.49 02:20:01 all 0.27 0.00 0.10 0.01 0.01 99.61 02:20:01 0 0.05 0.00 0.13 0.00 0.01 99.80 02:20:01 1 0.48 0.00 0.08 0.02 0.01 99.42 02:30:20 all 0.31 0.00 0.18 0.04 0.01 99.45 02:30:20 0 0.23 0.00 0.19 0.06 0.01 99.51 02:30:20 1 0.40 0.00 0.17 0.02 0.01 99.40 02:40:20 all 0.25 0.00 0.09 0.01 0.01 99.64 02:40:20 0 0.32 0.00 0.07 0.01 0.01 99.60 02:40:20 1 0.19 0.00 0.11 0.01 0.02 99.68 02:50:01 all 14.85 0.00 2.19 1.09 0.03 81.84 02:50:01 0 19.78 0.00 2.27 1.61 0.03 76.31 02:50:01 1 9.93 0.00 2.11 0.58 0.03 87.36 Average: all 1.71 0.00 0.33 0.12 0.01 97.83 Average: 0 2.19 0.00 0.34 0.17 0.01 97.30 Average: 1 1.22 0.00 0.33 0.08 0.01 98.36