---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-136 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 8.2G 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 776 4992 4 2468 7165 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:51:5c:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80883sec preferred_lft 80883sec inet6 fe80::f816:3eff:fe51:5c97/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-136) 09/05/26 _x86_64_ (2 CPU) 01:06:40 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:07 1.21 0.03 1.18 0.00 1.25 14.47 0.01 01:30:07 1.47 0.01 1.45 0.02 0.05 18.04 0.32 01:40:07 1.14 0.00 1.14 0.00 0.00 14.04 0.01 01:50:06 1.71 0.33 1.37 0.01 43.52 102.60 0.17 02:00:07 1.42 0.00 1.40 0.02 0.00 17.66 852.51 02:10:07 1.09 0.00 1.08 0.00 0.00 13.68 4.97 02:20:07 1.26 0.00 1.24 0.02 0.00 15.04 44.76 02:30:07 26.62 3.02 21.19 2.41 229.92 3766.48 2236.40 Average: 4.49 0.42 3.76 0.31 34.34 495.25 392.47 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:07 6300592 7547524 273412 3.36 30532 1423132 531964 5.79 446156 1183780 272 01:30:07 6295752 7543228 277784 3.42 30724 1423456 532084 5.80 446256 1184304 160 01:40:07 6295500 7543472 277528 3.41 30888 1423780 532084 5.80 446440 1184792 88 01:50:06 6231044 7518816 301192 3.70 31500 1462472 732828 7.98 465100 1214012 236 02:00:07 6235984 7524448 295444 3.63 31712 1462928 732828 7.98 465140 1214552 156 02:10:07 6242964 7531916 287984 3.54 31872 1463264 733408 7.99 465976 1215032 248 02:20:07 6241752 7531236 288660 3.55 32060 1463584 733408 7.99 465944 1215556 156 02:30:07 5142352 7386196 380052 4.67 88068 2316380 852080 9.28 619536 2078508 5708 Average: 6123242 7515854 297757 3.66 38420 1554874 672586 7.33 477568 1311317 878 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 1.60 0.16 0.26 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.51 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.45 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:50:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 1.04 0.48 3.44 0.13 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.26 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.36 0.15 0.04 0.72 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.19 0.05 0.03 0.01 0.00 0.00 0.00 0.00 02:30:07 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:30:07 ens3 67.05 50.85 335.01 12.55 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 8.93 6.49 42.38 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-136) 09/05/26 _x86_64_ (2 CPU) 01:06:40 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:07 all 0.28 0.00 0.09 0.01 0.01 99.61 01:20:07 0 0.08 0.00 0.11 0.02 0.01 99.79 01:20:07 1 0.47 0.00 0.08 0.00 0.01 99.44 01:30:07 all 0.31 0.00 0.21 0.01 0.00 99.46 01:30:07 0 0.27 0.00 0.21 0.01 0.00 99.51 01:30:07 1 0.35 0.00 0.22 0.02 0.00 99.41 01:40:07 all 0.27 0.00 0.10 0.01 0.01 99.61 01:40:07 0 0.18 0.00 0.10 0.01 0.01 99.70 01:40:07 1 0.36 0.00 0.10 0.01 0.01 99.53 01:50:06 all 0.44 0.00 0.13 0.03 0.01 99.40 01:50:06 0 0.73 0.00 0.12 0.05 0.00 99.10 01:50:06 1 0.16 0.00 0.14 0.01 0.01 99.69 02:00:07 all 0.30 0.00 0.19 0.01 0.00 99.50 02:00:07 0 0.32 0.00 0.17 0.02 0.00 99.50 02:00:07 1 0.29 0.00 0.21 0.01 0.00 99.50 02:10:07 all 0.14 0.00 0.07 0.01 0.00 99.77 02:10:07 0 0.21 0.00 0.05 0.01 0.00 99.74 02:10:07 1 0.08 0.00 0.10 0.01 0.00 99.80 02:20:07 all 0.25 0.00 0.08 0.01 0.00 99.66 02:20:07 0 0.45 0.00 0.05 0.01 0.00 99.50 02:20:07 1 0.05 0.00 0.11 0.02 0.01 99.82 02:30:07 all 14.69 0.00 2.25 0.89 0.02 82.15 02:30:07 0 10.50 0.00 1.91 0.29 0.02 87.28 02:30:07 1 18.89 0.00 2.60 1.49 0.02 77.01 Average: all 2.09 0.00 0.39 0.12 0.01 97.39 Average: 0 1.59 0.00 0.34 0.05 0.01 98.01 Average: 1 2.58 0.00 0.44 0.19 0.01 96.77