---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4718 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 781 5255 4 2193 7159 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:e9:35:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81414sec preferred_lft 81414sec inet6 fe80::f816:3eff:fee9:352b/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-4718) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.55 0.01 1.54 0.01 0.05 18.37 435.23 01:10:10 1.38 0.00 1.38 0.00 0.00 16.41 0.00 01:20:00 1.91 0.32 1.57 0.02 39.69 73.90 0.33 01:30:01 1.64 0.00 1.62 0.01 1.05 19.71 0.36 01:40:17 1.54 0.02 1.52 0.00 2.09 17.74 0.00 01:50:00 14.88 0.43 1.52 12.94 16.70 50.16 112463.25 02:00:00 22.86 2.62 18.00 2.25 210.67 3135.71 1669.43 Average: 6.48 0.48 3.88 2.12 38.45 475.72 15888.82 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6303912 7554624 265832 3.27 30704 1425840 505648 5.51 433176 1187280 160 01:10:10 6303156 7554376 266076 3.27 30872 1426176 505672 5.51 435496 1187784 124 01:20:00 6235540 7515640 304164 3.74 31220 1454328 707932 7.71 453876 1205220 224 01:30:01 6259428 7540368 279556 3.44 31408 1454964 508624 5.54 448324 1205732 124 01:40:17 6255616 7537852 282064 3.47 31588 1456068 508732 5.54 449512 1206328 124 01:50:00 6217208 7514808 304804 3.75 31904 1470892 549288 5.98 488520 1219916 248 02:00:00 5262296 7382004 389596 4.79 85204 2198788 647104 7.05 616564 1957516 180 Average: 6119594 7514239 298870 3.68 38986 1555294 561857 6.12 475067 1309968 169 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.81 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.44 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.67 0.26 3.21 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.45 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 14.30 6.06 24.78 3.31 0.00 0.00 0.00 0.00 02:00:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:00 ens3 100.71 71.77 285.01 15.29 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.76 11.17 44.66 2.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4718) 04/20/26 _x86_64_ (2 CPU) 00:43:31 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.16 0.04 0.03 99.50 01:00:01 0 0.24 0.00 0.18 0.07 0.03 99.48 01:00:01 1 0.30 0.00 0.13 0.02 0.03 99.51 01:10:10 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:10 0 0.16 0.00 0.08 0.01 0.03 99.73 01:10:10 1 0.37 0.00 0.07 0.01 0.03 99.52 01:20:00 all 0.38 0.00 0.11 0.02 0.03 99.46 01:20:00 0 0.33 0.00 0.14 0.03 0.03 99.47 01:20:00 1 0.43 0.00 0.08 0.01 0.03 99.45 01:30:01 all 0.26 0.00 0.17 0.01 0.03 99.54 01:30:01 0 0.36 0.00 0.15 0.01 0.03 99.45 01:30:01 1 0.16 0.00 0.18 0.01 0.03 99.62 01:40:17 all 0.22 0.00 0.09 0.01 0.03 99.64 01:40:17 0 0.07 0.00 0.09 0.02 0.03 99.78 01:40:17 1 0.37 0.00 0.09 0.00 0.03 99.51 01:50:00 all 0.49 0.00 0.12 0.04 0.03 99.33 01:50:00 0 0.38 0.00 0.14 0.03 0.03 99.42 01:50:00 1 0.60 0.00 0.09 0.04 0.03 99.24 02:00:00 all 13.38 0.00 1.97 0.50 0.06 84.09 02:00:00 0 14.35 0.00 1.97 0.47 0.05 83.16 02:00:00 1 12.41 0.00 1.98 0.53 0.06 85.03 Average: all 2.18 0.00 0.38 0.09 0.03 97.32 Average: 0 2.27 0.00 0.39 0.09 0.03 97.22 Average: 1 2.09 0.00 0.37 0.09 0.03 97.41