---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60723 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 759 5120 4 2364 7182 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:af:5e:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81450sec preferred_lft 81450sec inet6 fe80::f816:3eff:feaf:5e15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60723) 09/30/26 _x86_64_ (2 CPU) 00:56:30 LINUX RESTART (2 CPU) 01:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 1.20 0.03 1.17 0.00 1.26 14.45 0.22 01:20:09 1.26 0.01 1.25 0.00 0.07 15.31 0.21 01:30:09 1.31 0.00 1.29 0.02 0.00 16.33 0.61 01:40:01 1.32 0.00 1.32 0.00 0.00 15.21 0.00 01:50:09 15.35 13.36 1.95 0.05 149.04 42.46 297.98 02:00:09 15.59 0.33 1.98 13.28 43.23 109.64 109465.14 02:10:01 1.34 0.00 1.32 0.02 0.00 15.39 1.95 Average: 5.37 1.99 1.47 1.91 27.99 32.77 15713.22 01:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 6284580 7537344 282944 3.48 30644 1428700 533404 5.81 445520 1188592 164 01:20:09 6283320 7536612 283676 3.49 30844 1429028 533536 5.81 445740 1189112 180 01:30:09 6280364 7534172 286128 3.52 31020 1429356 533660 5.81 446004 1189616 188 01:40:01 6285052 7539344 280948 3.45 31164 1429676 533832 5.81 446476 1190088 240 01:50:09 6206360 7517840 293364 3.61 35272 1474420 533828 5.81 447364 1238204 184 02:00:09 6154960 7506468 303596 3.73 35824 1513340 735780 8.01 465560 1267564 72 02:10:01 6154720 7506760 303332 3.73 36024 1513664 735780 8.01 465456 1268088 240 Average: 6235622 7525506 290570 3.57 32970 1459741 591403 6.44 451731 1218752 181 01:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.22 0.06 2.44 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.41 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.35 0.08 0.11 0.07 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 0.53 0.23 0.11 0.50 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.58 0.26 3.33 0.03 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 0.21 0.08 0.06 0.04 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 0.50 0.11 0.88 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60723) 09/30/26 _x86_64_ (2 CPU) 00:56:30 LINUX RESTART (2 CPU) 01:00:09 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 0.26 0.00 0.08 0.01 0.00 99.64 01:10:01 0 0.08 0.00 0.11 0.01 0.00 99.80 01:10:01 1 0.44 0.00 0.05 0.02 0.00 99.49 01:20:09 all 0.24 0.00 0.08 0.01 0.00 99.67 01:20:09 0 0.19 0.00 0.09 0.00 0.00 99.72 01:20:09 1 0.29 0.00 0.07 0.02 0.00 99.61 01:30:09 all 0.32 0.00 0.18 0.01 0.00 99.49 01:30:09 0 0.53 0.00 0.14 0.00 0.00 99.32 01:30:09 1 0.11 0.00 0.21 0.02 0.00 99.66 01:40:01 all 0.25 0.00 0.08 0.01 0.00 99.66 01:40:01 0 0.39 0.00 0.07 0.00 0.00 99.54 01:40:01 1 0.11 0.00 0.09 0.02 0.00 99.77 01:50:09 all 0.27 0.15 0.13 0.15 0.00 99.30 01:50:09 0 0.05 0.29 0.20 0.30 0.00 99.17 01:50:09 1 0.48 0.00 0.07 0.01 0.00 99.43 02:00:09 all 0.43 0.00 0.20 0.06 0.00 99.30 02:00:09 0 0.31 0.00 0.25 0.11 0.00 99.33 02:00:09 1 0.56 0.00 0.16 0.02 0.00 99.27 02:10:01 all 0.26 0.00 0.07 0.01 0.00 99.66 02:10:01 0 0.04 0.00 0.10 0.02 0.01 99.84 02:10:01 1 0.48 0.00 0.04 0.01 0.00 99.47 Average: all 0.29 0.02 0.12 0.04 0.00 99.53 Average: 0 0.23 0.04 0.14 0.06 0.00 99.53 Average: 1 0.35 0.00 0.10 0.02 0.00 99.53