---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3058 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 786 5126 4 2322 7154 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:86:f7:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77880sec preferred_lft 77880sec inet6 fe80::f816:3eff:fe86:f7d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3058) 09/08/26 _x86_64_ (2 CPU) 01:07:37 LINUX RESTART (2 CPU) 01:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.26 0.03 1.24 0.00 1.28 15.27 0.08 01:30:01 1.39 0.01 1.36 0.03 0.05 16.98 0.79 01:40:15 1.90 0.32 1.55 0.02 42.50 103.03 29.56 01:50:01 14.78 0.00 1.25 13.53 0.15 15.11 111531.66 02:00:01 1.33 0.00 1.32 0.01 0.00 16.98 426.49 02:10:15 1.24 0.00 1.24 0.00 0.00 15.38 0.00 02:20:01 1.21 0.00 1.21 0.00 0.00 14.62 0.00 02:30:01 1.45 0.00 1.44 0.01 0.00 18.28 639.68 02:40:15 1.33 0.00 1.33 0.00 0.00 16.24 0.00 02:50:15 26.35 2.86 21.15 2.34 224.91 3513.39 1288.61 03:00:01 1.51 0.00 1.50 0.02 0.00 28.11 0.23 03:10:15 1.39 0.00 1.38 0.00 0.20 27.95 0.00 03:20:15 1.33 0.00 1.33 0.00 0.00 23.19 0.00 Average: 4.32 0.25 2.87 1.20 20.77 294.35 8565.74 01:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6285920 7537372 282896 3.48 30588 1427480 530492 5.78 452800 1188096 264 01:30:01 6281208 7533216 287024 3.53 30804 1427812 530492 5.78 452648 1188644 276 01:40:15 6232216 7524132 295176 3.63 31464 1466556 724392 7.89 467132 1217964 124 01:50:01 6231068 7523648 295640 3.64 31616 1467056 724392 7.89 467440 1218460 244 02:00:01 6222316 7515592 303564 3.73 31820 1467516 724392 7.89 467492 1218996 284 02:10:15 6222316 7516104 303084 3.73 32000 1467844 724392 7.89 467580 1219504 128 02:20:01 6229904 7524180 294944 3.63 32152 1468168 724460 7.89 467612 1219980 280 02:30:01 6223608 7518408 300660 3.70 32324 1468500 724460 7.89 467740 1220484 244 02:40:15 6229280 7524584 294480 3.62 32500 1468824 725020 7.90 468544 1220984 128 02:50:15 5164592 7392652 373100 4.59 87772 2300868 879760 9.58 610868 2062544 168 03:00:01 5157700 7388876 376768 4.63 87872 2303896 879832 9.58 611328 2065664 216 03:10:15 5150436 7385432 380200 4.68 88000 2307580 857784 9.34 613132 2069484 192 03:20:15 5147924 7385332 380312 4.68 88140 2309852 857784 9.34 613368 2071896 200 Average: 5906038 7482271 320604 3.94 49004 1719381 739050 8.05 509822 1475592 211 01:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.19 0.10 0.16 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.53 0.09 0.09 0.05 0.00 0.00 0.00 0.00 01:40:15 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.67 0.32 3.26 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 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.44 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.17 0.04 0.02 0.01 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 0.21 0.05 0.04 0.02 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 0.20 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.37 0.16 0.06 0.58 0.00 0.00 0.00 0.00 02:50:15 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:15 ens3 109.36 93.86 327.56 17.93 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 18.33 17.74 3.64 1.32 0.00 0.00 0.00 0.00 03:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:15 ens3 11.23 11.00 2.68 0.89 0.00 0.00 0.00 0.00 03:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:15 ens3 12.87 12.82 2.45 0.90 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.98 10.48 26.17 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3058) 09/08/26 _x86_64_ (2 CPU) 01:07:37 LINUX RESTART (2 CPU) 01:10:15 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.29 0.00 0.12 0.01 0.01 99.58 01:20:01 0 0.39 0.00 0.11 0.01 0.01 99.48 01:20:01 1 0.18 0.00 0.13 0.01 0.01 99.68 01:30:01 all 0.29 0.00 0.17 0.01 0.00 99.51 01:30:01 0 0.31 0.00 0.19 0.02 0.00 99.47 01:30:01 1 0.28 0.00 0.16 0.01 0.00 99.55 01:40:15 all 0.45 0.00 0.13 0.03 0.00 99.39 01:40:15 0 0.39 0.00 0.17 0.05 0.00 99.38 01:40:15 1 0.51 0.00 0.09 0.00 0.00 99.39 01:50:01 all 0.30 0.00 0.09 0.04 0.00 99.56 01:50:01 0 0.23 0.00 0.08 0.01 0.00 99.68 01:50:01 1 0.37 0.00 0.11 0.07 0.00 99.44 02:00:01 all 0.26 0.00 0.16 0.01 0.00 99.57 02:00:01 0 0.44 0.00 0.13 0.01 0.00 99.42 02:00:01 1 0.07 0.00 0.19 0.02 0.00 99.72 02:10:15 all 0.28 0.00 0.07 0.01 0.00 99.63 02:10:15 0 0.27 0.00 0.05 0.00 0.00 99.67 02:10:15 1 0.29 0.00 0.09 0.02 0.00 99.59 02:20:01 all 0.26 0.00 0.10 0.01 0.00 99.62 02:20:01 0 0.06 0.00 0.10 0.01 0.01 99.82 02:20:01 1 0.47 0.00 0.09 0.02 0.00 99.42 02:30:01 all 0.27 0.00 0.20 0.01 0.01 99.51 02:30:01 0 0.07 0.00 0.21 0.02 0.01 99.69 02:30:01 1 0.48 0.00 0.19 0.00 0.01 99.33 02:40:15 all 0.29 0.00 0.10 0.01 0.00 99.59 02:40:15 0 0.07 0.00 0.12 0.02 0.00 99.79 02:40:15 1 0.51 0.00 0.09 0.00 0.00 99.40 02:50:15 all 13.39 0.00 2.57 0.72 0.02 83.30 02:50:15 0 11.81 0.00 2.55 0.87 0.02 84.75 02:50:15 1 14.98 0.00 2.60 0.56 0.02 81.85 03:00:01 all 1.79 0.00 0.50 0.01 0.02 97.68 03:00:01 0 2.53 0.00 0.51 0.01 0.03 96.93 03:00:01 1 1.05 0.00 0.49 0.02 0.02 98.42 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:15 all 2.02 0.00 0.41 0.01 0.01 97.55 03:10:15 0 3.30 0.00 0.46 0.00 0.01 96.23 03:10:15 1 0.75 0.00 0.37 0.01 0.01 98.85 03:20:15 all 1.35 0.00 0.32 0.01 0.01 98.30 03:20:15 0 1.80 0.00 0.37 0.01 0.01 97.82 03:20:15 1 0.91 0.00 0.28 0.01 0.01 98.79 Average: all 1.63 0.00 0.38 0.07 0.01 97.91 Average: 0 1.66 0.00 0.39 0.08 0.01 97.86 Average: 1 1.60 0.00 0.37 0.06 0.01 97.96