---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6988 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 785 5105 4 2353 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:ab:d8:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80475sec preferred_lft 80475sec inet6 fe80::f816:3eff:feab:d8b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6988) 09/11/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 17.04 14.61 2.36 0.07 205.58 140.10 6.85 01:30:10 1.62 0.00 1.60 0.02 0.04 19.07 465.27 01:40:20 1.32 0.00 1.31 0.01 0.00 15.65 29.35 01:50:01 15.11 0.00 1.41 13.70 0.15 16.78 112516.78 02:00:10 1.58 0.00 1.57 0.01 0.00 19.24 417.04 02:10:30 1.30 0.00 1.30 0.00 0.00 15.33 0.00 02:20:01 1.36 0.00 1.36 0.00 0.00 15.96 0.00 02:30:30 1.61 0.00 1.60 0.01 0.00 19.60 606.00 02:40:10 30.66 2.92 24.96 2.77 231.33 4377.42 4598.26 Average: 7.74 1.86 4.08 1.79 46.74 500.42 12821.99 01:10:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6152880 7496080 314316 3.86 34876 1506144 728688 7.94 467388 1260392 136 01:30:10 6169792 7513672 296644 3.65 35132 1506512 727148 7.92 466272 1261016 200 01:40:20 6169568 7513952 296356 3.64 35324 1506828 727288 7.92 466360 1261520 56 01:50:01 6169320 7514216 296100 3.64 35484 1507168 727356 7.92 466624 1261996 240 02:00:10 6166040 7511640 298536 3.67 35672 1507664 727420 7.92 466916 1262548 208 02:10:30 6166040 7512128 298044 3.66 35824 1507996 727420 7.92 466988 1263032 224 02:20:01 6166040 7512576 297588 3.66 35980 1508276 728444 7.93 467392 1263472 240 02:30:30 6163040 7510144 299964 3.69 36164 1508648 727420 7.92 467008 1264024 172 02:40:10 5096040 7378516 378152 4.65 91348 2343200 835236 9.10 600512 2108396 7344 Average: 6046529 7495880 308411 3.79 41756 1600271 739602 8.06 481718 1356266 980 01:10:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 1.08 0.33 3.56 0.07 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.81 0.07 7.03 0.04 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.44 0.08 0.11 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 0.54 0.30 0.10 0.65 0.00 0.00 0.00 0.00 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 0.29 0.06 0.05 0.03 0.00 0.00 0.00 0.00 02:10:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:30 ens3 0.22 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 0.22 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:30 ens3 0.23 0.02 0.03 0.02 0.00 0.00 0.00 0.00 02:40:10 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:40:10 ens3 69.56 50.28 332.04 11.37 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 7.92 5.53 37.01 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6988) 09/11/26 _x86_64_ (2 CPU) 01:05:07 LINUX RESTART (2 CPU) 01:10:30 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.45 0.17 0.25 0.21 0.01 98.92 01:20:00 0 0.35 0.15 0.25 0.20 0.01 99.04 01:20:00 1 0.55 0.19 0.24 0.21 0.01 98.80 01:30:10 all 0.31 0.00 0.21 0.01 0.01 99.46 01:30:10 0 0.29 0.00 0.20 0.01 0.01 99.49 01:30:10 1 0.33 0.00 0.22 0.01 0.01 99.42 01:40:20 all 0.29 0.00 0.12 0.01 0.01 99.57 01:40:20 0 0.50 0.00 0.10 0.01 0.01 99.38 01:40:20 1 0.08 0.00 0.14 0.01 0.01 99.75 01:50:01 all 0.30 0.00 0.11 0.04 0.01 99.54 01:50:01 0 0.49 0.00 0.06 0.02 0.01 99.42 01:50:01 1 0.11 0.00 0.16 0.06 0.01 99.66 02:00:10 all 0.27 0.00 0.17 0.01 0.01 99.54 02:00:10 0 0.45 0.00 0.12 0.02 0.00 99.40 02:00:10 1 0.09 0.00 0.21 0.01 0.01 99.68 02:10:30 all 0.27 0.00 0.09 0.01 0.01 99.63 02:10:30 0 0.47 0.00 0.04 0.02 0.00 99.48 02:10:30 1 0.07 0.00 0.14 0.00 0.01 99.78 02:20:01 all 0.25 0.00 0.08 0.10 0.01 99.56 02:20:01 0 0.43 0.00 0.05 0.05 0.00 99.46 02:20:01 1 0.06 0.00 0.11 0.15 0.01 99.67 02:30:30 all 0.28 0.00 0.18 0.21 0.01 99.32 02:30:30 0 0.12 0.00 0.19 0.07 0.01 99.62 02:30:30 1 0.44 0.00 0.18 0.36 0.01 99.01 02:40:10 all 14.06 0.00 2.36 19.58 0.03 63.97 02:40:10 0 16.96 0.00 2.41 19.63 0.03 60.96 02:40:10 1 11.15 0.00 2.31 19.53 0.03 66.98 Average: all 1.79 0.02 0.39 2.18 0.01 95.62 Average: 0 2.17 0.02 0.37 2.16 0.01 95.27 Average: 1 1.40 0.02 0.41 2.20 0.01 95.97