---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23816 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 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 741 5146 4 2345 7200 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:b5:e7:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81151sec preferred_lft 81151sec inet6 fe80::f816:3eff:feb5:e7c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23816) 06/05/26 _x86_64_ (2 CPU) 00:39:41 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 1.66 0.03 1.61 0.02 1.53 27.71 218.21 01:00:02 1.48 0.01 1.45 0.02 0.05 17.96 655.41 01:10:03 1.14 0.00 1.13 0.01 0.00 13.90 1.08 01:20:02 2.05 0.26 1.76 0.03 32.12 76.39 1.51 01:30:02 1.50 0.00 1.47 0.03 0.00 17.75 653.62 01:40:03 13.86 0.06 1.24 12.55 3.48 31.13 108985.63 01:50:03 23.54 2.95 18.28 2.31 224.72 3460.69 1551.27 02:00:03 1.59 0.00 1.57 0.02 0.35 71.63 0.41 Average: 5.85 0.41 3.56 1.88 32.77 464.55 14024.64 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 6293932 7540208 280480 3.45 30540 1421396 522944 5.70 442352 1183088 232 01:00:02 6293424 7540264 280436 3.45 30760 1421728 523048 5.70 442512 1183640 184 01:10:03 6301264 7548612 272108 3.35 30948 1422048 523264 5.70 443100 1184148 272 01:20:02 6266236 7540660 279608 3.44 31360 1448348 523452 5.70 452716 1201780 140 01:30:02 6260300 7535320 284936 3.50 31584 1448700 523452 5.70 452500 1202360 236 01:40:03 6256576 7538048 281976 3.47 31832 1454868 526572 5.74 456912 1208008 320 01:50:03 5215524 7413912 354020 4.35 86628 2272424 636756 6.94 593840 2035400 292 02:00:03 5183944 7397884 369992 4.55 86792 2287796 639496 6.97 596820 2050848 200 Average: 6008900 7506864 300444 3.69 45056 1647164 552373 6.02 485094 1406159 234 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 2.83 0.25 0.66 0.16 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.54 0.07 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 1.22 0.20 0.35 0.18 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.89 0.41 3.21 0.74 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.30 0.06 0.07 0.03 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 4.57 1.71 9.35 0.68 0.00 0.00 0.00 0.00 01:50:03 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:03 ens3 83.34 59.40 310.47 12.63 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 48.95 43.84 10.61 5.86 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 17.83 13.24 41.85 2.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23816) 06/05/26 _x86_64_ (2 CPU) 00:39:41 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 0.37 0.00 0.19 0.02 0.03 99.40 00:50:03 0 0.50 0.00 0.17 0.02 0.03 99.28 00:50:03 1 0.24 0.00 0.20 0.02 0.03 99.51 01:00:02 all 0.30 0.00 0.17 0.01 0.02 99.49 01:00:02 0 0.49 0.00 0.13 0.01 0.02 99.35 01:00:02 1 0.10 0.00 0.22 0.01 0.03 99.64 01:10:03 all 0.28 0.00 0.08 0.01 0.03 99.60 01:10:03 0 0.36 0.00 0.05 0.02 0.02 99.54 01:10:03 1 0.20 0.00 0.10 0.00 0.03 99.67 01:20:02 all 0.34 0.00 0.09 0.02 0.03 99.53 01:20:02 0 0.24 0.00 0.12 0.02 0.03 99.59 01:20:02 1 0.43 0.00 0.07 0.02 0.02 99.47 01:30:02 all 0.29 0.00 0.16 0.01 0.03 99.52 01:30:02 0 0.29 0.00 0.16 0.01 0.03 99.52 01:30:02 1 0.29 0.00 0.15 0.01 0.03 99.52 01:40:03 all 0.31 0.00 0.08 0.03 0.03 99.55 01:40:03 0 0.51 0.00 0.04 0.02 0.01 99.42 01:40:03 1 0.10 0.00 0.13 0.04 0.04 99.69 01:50:03 all 14.28 0.00 1.84 1.10 0.06 82.72 01:50:03 0 15.22 0.00 1.73 1.68 0.07 81.31 01:50:03 1 13.35 0.00 1.96 0.52 0.06 84.11 02:00:03 all 6.06 0.00 0.61 0.01 0.07 93.25 02:00:03 0 5.28 0.00 0.60 0.01 0.07 94.06 02:00:03 1 6.85 0.00 0.62 0.01 0.08 92.45 Average: all 2.77 0.00 0.40 0.15 0.04 96.65 Average: 0 2.84 0.00 0.37 0.22 0.03 96.53 Average: 1 2.69 0.00 0.43 0.08 0.04 96.76