---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22069 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 760 4932 4 2543 7181 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:50:45:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79056sec preferred_lft 79056sec inet6 fe80::f816:3eff:fe50:4537/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22069) 06/01/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.51 0.01 1.47 0.03 0.05 17.65 650.51 01:10:15 1.28 0.00 1.27 0.02 0.00 14.65 1.18 01:20:01 1.37 0.00 1.36 0.02 0.01 15.50 1.00 01:30:15 2.17 0.25 1.88 0.04 31.30 77.10 427.28 01:40:04 1.94 0.45 1.47 0.02 18.53 49.45 1.26 01:50:01 22.53 2.62 17.61 2.30 211.44 3412.42 585.75 02:00:15 1.44 0.00 1.43 0.01 0.00 18.13 0.22 02:10:15 1.40 0.00 1.40 0.01 0.00 101.29 0.07 02:20:01 15.38 0.00 1.58 13.79 0.15 274.75 108873.65 02:30:05 1.61 0.00 1.58 0.02 0.00 124.33 0.52 02:40:15 1.36 0.00 1.36 0.00 0.00 17.04 0.00 Average: 4.68 0.30 2.94 1.44 23.67 372.18 9796.08 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6298196 7544856 275940 3.39 30728 1421620 523612 5.70 448028 1183504 176 01:10:15 6297188 7544368 276424 3.40 30920 1421944 523828 5.71 448420 1184020 180 01:20:01 6297724 7545444 275308 3.39 31128 1422268 523920 5.71 448852 1184552 184 01:30:15 6246984 7521980 298184 3.67 31552 1448728 523920 5.71 457864 1202360 168 01:40:04 6228224 7519172 300552 3.70 31896 1464252 540480 5.89 483480 1216016 308 01:50:01 4986552 7178796 589268 7.25 86620 2266316 809920 8.82 781744 2029212 308 02:00:15 5047360 7240148 527804 6.49 86768 2266724 770324 8.39 741412 2029760 184 02:10:15 5003864 7222524 545284 6.70 86920 2292440 874116 9.52 779244 2055632 176 02:20:01 4885520 7180936 585836 7.20 87084 2368136 858920 9.36 813544 2131436 280 02:30:05 4757180 7085548 680704 8.37 87232 2400448 916500 9.98 872020 2163800 224 02:40:15 4779372 7108296 657952 8.09 87344 2400884 913188 9.95 868088 2164348 132 Average: 5529833 7335643 455751 5.60 61654 1924887 707157 7.70 649336 1685876 211 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.50 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.57 0.09 0.14 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.52 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.90 0.23 3.16 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 10.82 5.03 20.60 3.40 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 81.93 67.35 739.04 10.27 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 31.27 28.86 469.88 1.92 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 79.46 77.42 1275.84 5.07 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 24.73 23.61 379.18 1.58 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 27.71 26.78 435.46 1.77 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 12.69 11.87 192.99 0.82 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 24.59 21.91 319.37 2.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22069) 06/01/26 _x86_64_ (2 CPU) 00:40:49 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.29 0.00 0.17 0.01 0.02 99.52 01:00:05 0 0.08 0.00 0.18 0.00 0.02 99.71 01:00:05 1 0.49 0.00 0.15 0.01 0.02 99.33 01:10:15 all 0.27 0.00 0.07 0.01 0.02 99.63 01:10:15 0 0.07 0.00 0.09 0.01 0.03 99.81 01:10:15 1 0.47 0.00 0.06 0.01 0.01 99.45 01:20:01 all 0.24 0.00 0.08 0.01 0.02 99.65 01:20:01 0 0.37 0.00 0.08 0.01 0.01 99.53 01:20:01 1 0.11 0.00 0.09 0.01 0.02 99.78 01:30:15 all 0.39 0.00 0.18 0.02 0.02 99.38 01:30:15 0 0.43 0.00 0.19 0.01 0.02 99.34 01:30:15 1 0.36 0.00 0.17 0.03 0.02 99.41 01:40:04 all 0.50 0.00 0.11 0.02 0.03 99.34 01:40:04 0 0.50 0.00 0.11 0.02 0.03 99.35 01:40:04 1 0.50 0.00 0.11 0.01 0.04 99.34 01:50:01 all 11.85 0.00 1.89 0.52 0.10 85.64 01:50:01 0 13.08 0.00 1.81 0.30 0.06 84.75 01:50:01 1 10.62 0.00 1.98 0.73 0.15 86.52 02:00:15 all 0.64 0.00 0.36 0.03 0.06 98.91 02:00:15 0 0.58 0.00 0.27 0.04 0.03 99.08 02:00:15 1 0.71 0.00 0.45 0.01 0.09 98.74 02:10:15 all 1.12 0.00 0.57 0.01 0.04 98.25 02:10:15 0 1.63 0.00 0.89 0.01 0.05 97.43 02:10:15 1 0.62 0.00 0.26 0.01 0.03 99.07 02:20:01 all 0.76 0.00 0.23 0.05 0.04 98.92 02:20:01 0 0.72 0.00 0.20 0.04 0.03 99.01 02:20:01 1 0.81 0.00 0.26 0.06 0.04 98.83 02:30:05 all 0.72 0.00 0.33 0.04 0.04 98.87 02:30:05 0 0.90 0.00 0.38 0.05 0.04 98.62 02:30:05 1 0.54 0.00 0.28 0.02 0.04 99.11 02:40:15 all 0.49 0.00 0.20 0.01 0.03 99.27 02:40:15 0 0.61 0.00 0.20 0.01 0.02 99.16 02:40:15 1 0.38 0.00 0.20 0.00 0.04 99.37 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.56 0.00 0.38 0.06 0.04 97.95 Average: 0 1.71 0.00 0.40 0.05 0.03 97.81 Average: 1 1.41 0.00 0.36 0.08 0.05 98.09