---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32228 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 7.9G 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 773 5138 4 2330 7168 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:b6:38:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79889sec preferred_lft 79889sec inet6 fe80::f816:3eff:feb6:385f/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-32228) 07/02/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.38 0.01 1.36 0.02 0.05 17.12 870.49 01:10:03 1.12 0.00 1.12 0.00 0.00 13.47 0.00 01:20:03 1.15 0.00 1.15 0.00 0.01 13.72 0.12 01:30:03 1.83 0.25 1.55 0.03 30.98 76.39 871.91 01:40:03 1.19 0.01 1.19 0.00 1.05 14.60 0.05 01:50:02 15.42 13.54 1.82 0.06 151.17 42.88 7.22 02:00:03 37.21 3.00 18.78 15.43 226.88 3473.29 108624.55 02:10:03 1.27 0.00 1.24 0.02 0.00 16.36 1.37 02:20:05 1.17 0.00 1.15 0.02 0.00 14.56 1.20 Average: 6.86 1.87 3.26 1.73 45.58 409.57 12277.53 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6296420 7543656 277124 3.41 30684 1422236 530504 5.78 438752 1183620 228 01:10:03 6294292 7542016 278812 3.43 30844 1422556 531560 5.79 439576 1184108 196 01:20:03 6309444 7557676 263108 3.24 31020 1422884 531552 5.79 440308 1184612 188 01:30:03 6259316 7534664 285560 3.51 31372 1449272 730256 7.95 454936 1202588 184 01:40:03 6262852 7539148 281160 3.46 31544 1450040 531912 5.79 450284 1203088 208 01:50:02 6190004 7523432 287772 3.54 35708 1494664 531904 5.79 450964 1251268 184 02:00:03 5143968 7400808 357424 4.39 90692 2317936 629136 6.85 592476 2083936 220 02:10:03 5138680 7396040 362096 4.45 90856 2318288 629136 6.85 592424 2084452 188 02:20:05 5137420 7395288 362872 4.46 91012 2318648 630160 6.86 592524 2084960 292 Average: 5892488 7492525 306214 3.77 51526 1735169 586236 6.39 494694 1495848 210 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.63 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.69 0.07 13.10 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.79 0.10 0.95 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.54 0.23 3.22 0.05 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.57 0.22 0.13 0.65 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.36 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:00:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:03 ens3 73.64 48.35 316.82 11.34 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.54 0.17 0.20 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.56 0.22 0.08 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 8.82 5.51 37.22 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32228) 07/02/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.29 0.00 0.18 0.01 0.02 99.50 01:00:03 0 0.29 0.00 0.20 0.01 0.02 99.48 01:00:03 1 0.29 0.00 0.16 0.01 0.03 99.52 01:10:03 all 0.29 0.00 0.07 0.03 0.03 99.58 01:10:03 0 0.11 0.00 0.09 0.05 0.03 99.72 01:10:03 1 0.47 0.00 0.05 0.01 0.03 99.44 01:20:03 all 0.27 0.00 0.08 0.04 0.03 99.58 01:20:03 0 0.09 0.00 0.10 0.02 0.03 99.76 01:20:03 1 0.44 0.00 0.07 0.06 0.03 99.41 01:30:03 all 0.37 0.00 0.20 0.02 0.03 99.38 01:30:03 0 0.37 0.00 0.21 0.01 0.03 99.38 01:30:03 1 0.38 0.00 0.19 0.03 0.03 99.37 01:40:03 all 0.28 0.00 0.08 0.01 0.03 99.60 01:40:03 0 0.48 0.00 0.07 0.01 0.03 99.42 01:40:03 1 0.08 0.00 0.10 0.01 0.03 99.78 01:50:02 all 0.22 0.17 0.13 0.13 0.03 99.31 01:50:02 0 0.40 0.04 0.06 0.04 0.02 99.43 01:50:02 1 0.04 0.31 0.20 0.23 0.04 99.18 02:00:03 all 11.54 0.00 1.74 0.57 0.06 86.08 02:00:03 0 8.68 0.00 1.68 0.44 0.06 89.15 02:00:03 1 14.40 0.00 1.81 0.71 0.07 83.01 02:10:03 all 0.39 0.00 0.14 0.02 0.07 99.38 02:10:03 0 0.30 0.00 0.20 0.00 0.09 99.41 02:10:03 1 0.49 0.00 0.08 0.03 0.05 99.35 02:20:05 all 0.35 0.00 0.13 0.02 0.06 99.44 02:20:05 0 0.37 0.00 0.11 0.00 0.05 99.46 02:20:05 1 0.34 0.00 0.14 0.03 0.07 99.42 Average: all 1.56 0.02 0.31 0.09 0.04 97.98 Average: 0 1.23 0.00 0.30 0.06 0.04 98.36 Average: 1 1.88 0.03 0.31 0.12 0.04 97.61