---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12829 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 740 5303 4 2187 7201 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:53:5a:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79885sec preferred_lft 79885sec inet6 fe80::f816:3eff:fe53:5ad6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12829) 05/12/26 _x86_64_ (2 CPU) 00:45:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 2.14 0.27 1.85 0.02 31.37 69.47 424.75 01:10:26 1.55 0.01 1.52 0.02 1.09 25.36 1.26 01:20:01 1.40 0.00 1.37 0.02 0.01 16.47 228.32 01:30:25 1.53 0.00 1.49 0.03 0.00 18.31 420.34 01:40:25 13.99 0.00 1.42 12.57 0.15 17.33 109175.81 01:50:01 1.39 0.00 1.37 0.02 0.00 16.48 1.14 02:00:25 1.58 0.00 1.56 0.03 0.00 19.06 420.08 02:10:07 1.49 0.00 1.47 0.02 0.00 18.13 1.18 02:20:01 23.82 3.05 18.52 2.25 230.47 3173.59 607.62 02:30:26 1.56 0.00 1.52 0.04 0.00 24.72 1.70 Average: 5.01 0.33 3.19 1.49 26.06 335.60 11080.62 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 6241956 7515032 305180 3.75 30792 1447616 722304 7.87 456896 1200292 2152 01:10:26 6248596 7522596 297564 3.66 31052 1448264 583156 6.35 457004 1200884 120 01:20:01 6261792 7536324 283880 3.49 31252 1448584 528076 5.75 452340 1201408 244 01:30:25 6257280 7532392 287784 3.54 31484 1448912 530964 5.78 456908 1201968 184 01:40:25 6265092 7540916 279204 3.43 31684 1449416 530964 5.78 457424 1202516 172 01:50:01 6264868 7541228 278924 3.43 31892 1449740 531528 5.79 457988 1203048 128 02:00:25 6263360 7540264 279864 3.44 32096 1450060 531544 5.79 457984 1203572 124 02:10:07 6265620 7543104 276956 3.41 32332 1450400 586624 6.39 463384 1204144 204 02:20:01 5287644 7407488 364092 4.48 85688 2198096 639092 6.96 599840 1959644 304 02:30:26 5240324 7362360 409152 5.03 85868 2200116 654672 7.13 607400 1961716 184 Average: 6059653 7504170 306260 3.77 42414 1599120 583892 6.36 486717 1353919 382 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 1.09 0.25 3.09 0.05 0.00 0.00 0.00 0.00 01:10:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 0.51 0.06 0.08 0.03 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 1.04 0.08 0.76 0.06 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.34 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 0.44 0.05 0.10 0.04 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 0.28 0.14 0.07 0.58 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.27 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:20:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:20:01 ens3 69.43 46.32 318.21 11.54 0.00 0.00 0.00 0.00 02:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:26 ens3 10.50 9.16 69.13 0.92 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 8.35 5.59 38.97 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12829) 05/12/26 _x86_64_ (2 CPU) 00:45:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.42 0.00 0.21 0.02 0.02 99.33 01:00:17 0 0.48 0.00 0.20 0.02 0.02 99.27 01:00:17 1 0.36 0.00 0.21 0.02 0.02 99.39 01:10:26 all 0.28 0.00 0.10 0.01 0.03 99.58 01:10:26 0 0.32 0.00 0.08 0.02 0.02 99.56 01:10:26 1 0.25 0.00 0.11 0.01 0.03 99.60 01:20:01 all 0.25 0.00 0.08 0.02 0.02 99.64 01:20:01 0 0.19 0.00 0.07 0.02 0.02 99.70 01:20:01 1 0.31 0.00 0.08 0.02 0.02 99.57 01:30:25 all 0.35 0.00 0.19 0.04 0.02 99.40 01:30:25 0 0.41 0.00 0.18 0.03 0.02 99.35 01:30:25 1 0.28 0.00 0.20 0.04 0.02 99.46 01:40:25 all 0.27 0.00 0.10 0.05 0.03 99.55 01:40:25 0 0.31 0.00 0.08 0.05 0.02 99.54 01:40:25 1 0.24 0.00 0.12 0.04 0.03 99.57 01:50:01 all 0.25 0.00 0.07 0.01 0.02 99.64 01:50:01 0 0.15 0.00 0.08 0.02 0.03 99.73 01:50:01 1 0.36 0.00 0.07 0.01 0.02 99.54 02:00:25 all 0.28 0.00 0.15 0.02 0.02 99.53 02:00:25 0 0.14 0.00 0.16 0.03 0.02 99.64 02:00:25 1 0.43 0.00 0.14 0.01 0.01 99.41 02:10:07 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:07 0 0.38 0.00 0.06 0.02 0.02 99.52 02:10:07 1 0.13 0.00 0.09 0.00 0.02 99.76 02:20:01 all 12.37 0.00 1.87 0.66 0.06 85.04 02:20:01 0 16.17 0.00 2.14 0.95 0.06 80.69 02:20:01 1 8.56 0.00 1.60 0.38 0.06 89.41 02:30:26 all 1.02 0.00 0.31 0.01 0.04 98.63 02:30:26 0 0.96 0.00 0.33 0.01 0.04 98.66 02:30:26 1 1.07 0.00 0.29 0.01 0.03 98.59 Average: all 1.56 0.00 0.31 0.08 0.03 98.02 Average: 0 1.93 0.00 0.34 0.12 0.03 97.59 Average: 1 1.19 0.00 0.29 0.05 0.03 98.44