---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37270 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 8.0G 30G 21% / 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 747 5205 4 2282 7194 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:9b:87:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80130sec preferred_lft 80130sec inet6 fe80::f816:3eff:fe9b:874a/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-37270) 07/20/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:29 1.42 0.01 1.40 0.01 0.05 17.34 434.58 01:10:28 1.68 0.25 1.42 0.01 31.00 74.45 0.17 01:20:09 1.33 0.00 1.32 0.01 0.01 15.47 0.87 01:30:29 1.54 0.00 1.51 0.03 0.00 17.92 422.70 01:40:28 1.36 0.00 1.35 0.02 0.00 16.19 1.20 01:50:13 1.81 0.41 1.39 0.01 16.21 48.60 0.63 02:00:09 23.08 2.47 18.28 2.33 210.67 3502.83 662.06 02:10:30 14.41 0.00 1.39 13.02 0.14 16.39 102820.15 02:20:31 1.34 0.00 1.34 0.00 0.00 15.93 0.00 Average: 5.36 0.34 3.25 1.76 28.42 410.50 11973.36 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:29 6299824 7546660 273756 3.37 30656 1421856 528892 5.76 442736 1183520 132 01:10:28 6264348 7538444 281492 3.46 30980 1448424 729136 7.94 457196 1201648 132 01:20:09 6271464 7546088 273848 3.37 31172 1448756 729300 7.94 457732 1202172 132 01:30:29 6268396 7543612 276196 3.40 31404 1449080 729300 7.94 457744 1202728 132 01:40:28 6268144 7543912 275888 3.39 31620 1449408 729420 7.94 458268 1203272 132 01:50:13 6237928 7528924 290628 3.57 31940 1464156 746924 8.14 483916 1216704 148 02:00:09 5186960 7404008 361900 4.45 87636 2288852 833400 9.08 590912 2053176 136 02:10:30 5198160 7415736 350304 4.31 87756 2289248 833400 9.08 590764 2053672 132 02:20:31 5194984 7413020 353012 4.34 87868 2289600 833400 9.08 590784 2054136 184 Average: 5910023 7497823 304114 3.74 50115 1727709 743686 8.10 503339 1485670 140 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:29 ens3 0.55 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 1.65 0.50 12.81 0.06 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 0.49 0.08 0.26 0.05 0.00 0.00 0.00 0.00 01:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:29 ens3 0.30 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:28 ens3 0.56 0.25 0.16 0.57 0.00 0.00 0.00 0.00 01:50:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 9.77 4.97 20.51 2.68 0.00 0.00 0.00 0.00 02:00:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:09 ens3 57.02 40.08 307.54 8.58 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 1.58 0.16 0.28 0.03 0.00 0.00 0.00 0.00 02:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:31 ens3 0.80 0.16 3.96 0.03 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 8.00 5.09 38.05 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37270) 07/20/26 _x86_64_ (2 CPU) 00:42:37 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:29 all 0.26 0.00 0.16 0.01 0.04 99.53 01:00:29 0 0.41 0.00 0.14 0.02 0.03 99.40 01:00:29 1 0.11 0.00 0.17 0.00 0.05 99.67 01:10:28 all 0.36 0.00 0.10 0.02 0.04 99.48 01:10:28 0 0.41 0.00 0.06 0.03 0.04 99.47 01:10:28 1 0.32 0.00 0.13 0.02 0.05 99.49 01:20:09 all 0.18 0.00 0.08 0.01 0.04 99.69 01:20:09 0 0.19 0.00 0.07 0.02 0.04 99.69 01:20:09 1 0.18 0.00 0.08 0.00 0.04 99.69 01:30:29 all 0.27 0.00 0.15 0.01 0.04 99.52 01:30:29 0 0.27 0.00 0.16 0.01 0.04 99.52 01:30:29 1 0.28 0.00 0.14 0.01 0.04 99.53 01:40:28 all 0.26 0.00 0.07 0.01 0.04 99.62 01:40:28 0 0.21 0.00 0.06 0.01 0.04 99.68 01:40:28 1 0.32 0.00 0.07 0.02 0.04 99.56 01:50:13 all 0.49 0.00 0.10 0.01 0.04 99.36 01:50:13 0 0.31 0.00 0.12 0.02 0.04 99.51 01:50:13 1 0.67 0.00 0.08 0.01 0.03 99.21 02:00:09 all 11.67 0.00 1.77 0.49 0.06 86.01 02:00:09 0 9.95 0.00 1.65 0.59 0.05 87.76 02:00:09 1 13.39 0.00 1.89 0.39 0.08 84.25 02:10:30 all 0.37 0.00 0.13 0.27 0.06 99.17 02:10:30 0 0.28 0.00 0.19 0.53 0.09 98.91 02:10:30 1 0.45 0.00 0.08 0.00 0.04 99.43 02:20:31 all 0.35 0.00 0.13 0.01 0.06 99.45 02:20:31 0 0.26 0.00 0.18 0.01 0.08 99.47 02:20:31 1 0.45 0.00 0.08 0.01 0.04 99.43 Average: all 1.57 0.00 0.30 0.09 0.05 97.99 Average: 0 1.36 0.00 0.29 0.14 0.05 98.16 Average: 1 1.78 0.00 0.30 0.05 0.04 97.82