---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58800 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 755 5176 4 2304 7186 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:0a:2e:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.126/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80492sec preferred_lft 80492sec inet6 fe80::f816:3eff:fe0a:2ebc/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-58800) 09/26/26 _x86_64_ (2 CPU) 01:04:05 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 1.20 0.01 1.18 0.00 0.07 14.80 11.26 01:30:01 1.51 0.02 1.46 0.03 1.68 18.31 35.61 01:40:01 1.19 0.00 1.18 0.02 0.00 14.29 12.23 01:50:21 1.23 0.00 1.21 0.02 0.00 14.84 6.36 02:00:11 2.18 0.33 1.80 0.05 44.23 109.86 455.50 02:10:01 1.37 0.00 1.36 0.01 0.00 15.92 35.41 02:20:21 1.41 0.00 1.41 0.00 0.00 16.14 0.00 02:30:01 1.62 0.00 1.61 0.01 0.00 19.54 661.64 02:40:01 40.03 2.82 20.76 16.45 222.21 3564.52 107547.61 Average: 5.74 0.35 3.55 1.84 29.71 420.72 12081.89 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 6300288 7547948 272504 3.35 30648 1423648 531168 5.79 443500 1184320 212 01:30:01 6267212 7515888 304488 3.74 30860 1424452 531232 5.79 446876 1184880 204 01:40:01 6266468 7515680 304712 3.75 31060 1424764 531380 5.79 447212 1185408 136 01:50:21 6282288 7532072 288296 3.54 31260 1425132 531496 5.79 447328 1185972 200 02:00:11 6227012 7516984 302532 3.72 31928 1464132 733476 7.99 465680 1215432 260 02:10:01 6232556 7523016 296464 3.65 32116 1464424 733476 7.99 465748 1215912 240 02:20:21 6233808 7524792 294672 3.62 32284 1464776 733476 7.99 465892 1216432 132 02:30:01 6231380 7522888 296404 3.64 32476 1465076 733476 7.99 465908 1216924 124 02:40:01 5158788 7398256 367344 4.52 88956 2310760 844320 9.20 605020 2074132 244 Average: 6133311 7510836 303046 3.73 37954 1540796 655944 7.14 472574 1297712 195 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.95 0.11 0.15 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.07 0.11 10.52 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.42 0.07 0.09 0.05 0.00 0.00 0.00 0.00 01:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:21 ens3 0.43 0.10 0.14 0.08 0.00 0.00 0.00 0.00 02:00:11 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.74 0.46 3.39 0.67 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.27 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.19 0.05 0.03 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 119.75 82.31 335.94 18.32 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 13.79 9.26 38.91 2.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58800) 09/26/26 _x86_64_ (2 CPU) 01:04:05 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 0.24 0.00 0.08 0.01 0.00 99.67 01:20:12 0 0.06 0.00 0.10 0.02 0.00 99.82 01:20:12 1 0.41 0.00 0.06 0.01 0.00 99.52 01:30:01 all 0.35 0.00 0.19 0.02 0.01 99.43 01:30:01 0 0.18 0.00 0.20 0.01 0.01 99.60 01:30:01 1 0.52 0.00 0.19 0.02 0.00 99.27 01:40:01 all 0.27 0.00 0.07 0.01 0.00 99.65 01:40:01 0 0.06 0.00 0.09 0.01 0.00 99.84 01:40:01 1 0.48 0.00 0.04 0.02 0.00 99.46 01:50:21 all 0.27 0.00 0.08 0.01 0.00 99.64 01:50:21 0 0.05 0.00 0.10 0.02 0.00 99.83 01:50:21 1 0.49 0.00 0.06 0.01 0.00 99.44 02:00:11 all 0.45 0.00 0.22 0.03 0.00 99.30 02:00:11 0 0.51 0.00 0.23 0.04 0.00 99.22 02:00:11 1 0.38 0.00 0.21 0.03 0.00 99.38 02:10:01 all 0.22 0.00 0.06 0.02 0.00 99.70 02:10:01 0 0.40 0.00 0.05 0.01 0.00 99.54 02:10:01 1 0.04 0.00 0.08 0.02 0.00 99.86 02:20:21 all 0.26 0.00 0.07 0.01 0.00 99.65 02:20:21 0 0.13 0.00 0.08 0.00 0.00 99.78 02:20:21 1 0.39 0.00 0.05 0.03 0.00 99.53 02:30:01 all 0.26 0.00 0.19 0.02 0.00 99.54 02:30:01 0 0.05 0.00 0.18 0.01 0.00 99.75 02:30:01 1 0.47 0.00 0.19 0.02 0.00 99.32 02:40:01 all 14.16 0.00 2.36 0.74 0.01 82.74 02:40:01 0 9.80 0.00 2.08 0.56 0.01 87.56 02:40:01 1 18.53 0.00 2.64 0.91 0.01 77.92 Average: all 1.83 0.00 0.37 0.10 0.00 97.70 Average: 0 1.25 0.00 0.35 0.07 0.00 98.33 Average: 1 2.41 0.00 0.39 0.12 0.00 97.08