---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57867 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 8.0G 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 785 5149 4 2300 7156 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:ca:7b:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78937sec preferred_lft 78937sec inet6 fe80::f816:3eff:feca:7b96/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57867) 09/24/26 _x86_64_ (2 CPU) 01:04:46 LINUX RESTART (2 CPU) 01:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 1.42 0.03 1.37 0.01 1.27 16.67 44.76 01:30:19 1.47 0.00 1.45 0.03 0.00 17.84 468.51 01:40:19 1.28 0.00 1.26 0.02 0.00 15.21 49.73 01:50:01 14.97 0.00 1.32 13.64 0.15 15.89 112443.45 02:00:19 1.50 0.00 1.47 0.03 0.00 18.07 462.21 02:10:19 1.31 0.00 1.29 0.02 0.00 15.45 44.83 02:20:01 1.29 0.00 1.27 0.02 0.00 15.36 46.13 02:30:19 1.56 0.00 1.53 0.03 0.00 18.37 669.59 02:40:19 26.54 2.84 21.39 2.32 223.73 3509.39 696.30 02:50:01 1.23 0.00 1.21 0.02 0.00 15.24 0.62 03:00:19 1.54 0.00 1.50 0.03 0.00 18.73 0.93 Average: 4.88 0.26 3.19 1.43 20.44 333.75 10124.17 01:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 6223860 7514248 305356 3.75 31116 1465356 715248 7.79 465924 1217536 168 01:30:19 6241148 7532140 287404 3.53 31352 1465676 715432 7.79 466288 1218092 132 01:40:19 6240924 7532468 287064 3.53 31560 1466012 715564 7.79 466616 1218636 192 01:50:01 6247000 7539192 280252 3.45 31760 1466448 715564 7.79 466528 1219176 268 02:00:19 6240728 7533604 285792 3.51 31992 1466908 715564 7.79 466772 1219732 200 02:10:19 6239220 7532640 286764 3.53 32196 1467232 715660 7.79 466756 1220272 164 02:20:01 6248020 7542116 277284 3.41 32408 1467688 715724 7.80 467164 1220812 296 02:30:19 6236884 7531512 287816 3.54 32604 1468012 715724 7.80 467272 1221332 132 02:40:19 5139672 7379028 386780 4.76 88008 2311572 843772 9.19 625068 2074928 200 02:50:01 5136428 7376288 389500 4.79 88156 2311924 843884 9.19 625040 2075428 240 03:00:19 5128004 7368396 397256 4.88 88332 2312272 843884 9.19 625328 2075952 192 Average: 5938353 7489239 315570 3.88 47226 1697191 750547 8.17 509887 1452900 199 01:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.72 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.98 0.11 8.44 0.08 0.00 0.00 0.00 0.00 01:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.58 0.10 0.12 0.06 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 0.18 0.02 0.02 0.01 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 0.34 0.04 0.05 0.02 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.23 0.07 0.06 0.03 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 0.19 0.03 0.58 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.28 0.06 0.08 0.05 0.00 0.00 0.00 0.00 02:40:19 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:40:19 ens3 74.85 53.67 326.28 11.82 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 2.07 0.29 0.33 0.11 0.00 0.00 0.00 0.00 03:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:19 ens3 0.61 0.18 0.12 0.05 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 7.36 4.98 30.48 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57867) 09/24/26 _x86_64_ (2 CPU) 01:04:46 LINUX RESTART (2 CPU) 01:10:09 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 0.28 0.00 0.09 0.01 0.01 99.61 01:20:09 0 0.46 0.00 0.07 0.01 0.01 99.45 01:20:09 1 0.10 0.00 0.12 0.02 0.01 99.76 01:30:19 all 0.31 0.00 0.20 0.01 0.01 99.47 01:30:19 0 0.49 0.00 0.16 0.02 0.00 99.32 01:30:19 1 0.13 0.00 0.23 0.01 0.01 99.62 01:40:19 all 0.30 0.00 0.09 0.01 0.01 99.59 01:40:19 0 0.49 0.00 0.04 0.01 0.00 99.46 01:40:19 1 0.10 0.00 0.15 0.01 0.01 99.73 01:50:01 all 0.26 0.00 0.11 0.04 0.01 99.59 01:50:01 0 0.18 0.00 0.09 0.07 0.01 99.65 01:50:01 1 0.35 0.00 0.12 0.01 0.01 99.52 02:00:19 all 0.28 0.00 0.18 0.01 0.01 99.52 02:00:19 0 0.33 0.00 0.15 0.02 0.01 99.48 02:00:19 1 0.23 0.00 0.20 0.00 0.00 99.56 02:10:19 all 0.26 0.00 0.09 0.01 0.01 99.64 02:10:19 0 0.46 0.00 0.06 0.02 0.01 99.46 02:10:19 1 0.06 0.00 0.12 0.01 0.01 99.81 02:20:01 all 0.28 0.00 0.08 0.01 0.01 99.62 02:20:01 0 0.49 0.00 0.06 0.01 0.01 99.45 02:20:01 1 0.07 0.00 0.11 0.02 0.01 99.80 02:30:19 all 0.30 0.00 0.17 0.01 0.01 99.52 02:30:19 0 0.50 0.00 0.13 0.01 0.00 99.36 02:30:19 1 0.09 0.00 0.21 0.02 0.01 99.67 02:40:19 all 11.70 0.00 2.02 0.67 0.02 85.58 02:40:19 0 13.22 0.00 2.12 0.89 0.02 83.75 02:40:19 1 10.19 0.00 1.93 0.45 0.02 87.41 02:50:01 all 0.40 0.00 0.15 0.01 0.01 99.43 02:50:01 0 0.28 0.00 0.21 0.01 0.02 99.48 02:50:01 1 0.51 0.00 0.09 0.00 0.01 99.38 03:00:19 all 0.40 0.00 0.22 0.01 0.01 99.35 03:00:19 0 0.30 0.00 0.28 0.01 0.02 99.40 03:00:19 1 0.51 0.00 0.16 0.01 0.01 99.31 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.34 0.00 0.31 0.07 0.01 98.27 Average: 0 1.56 0.00 0.31 0.10 0.01 98.03 Average: 1 1.12 0.00 0.31 0.05 0.01 98.51