---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26970 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: 5600.00 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 803 5013 4 2426 7138 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:6f:82:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81245sec preferred_lft 81245sec inet6 fe80::f816:3eff:fe6f:82e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26970) 06/13/26 _x86_64_ (2 CPU) 00:40:55 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 1.35 0.01 1.32 0.02 0.05 16.27 638.67 01:10:36 15.68 13.38 2.22 0.08 179.32 99.96 7.59 01:20:01 1.25 0.00 1.24 0.00 0.01 14.58 0.25 01:30:06 1.35 0.00 1.33 0.02 0.00 16.85 0.23 01:40:26 1.74 0.41 1.32 0.00 15.87 82.38 0.06 01:50:01 24.06 2.67 19.02 2.36 218.18 3543.63 491.44 02:00:36 14.38 0.00 1.59 12.79 0.14 71.07 100536.67 Average: 8.53 2.38 3.89 2.26 58.24 525.30 15235.01 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6281448 7532996 286788 3.53 30724 1426620 519908 5.66 447592 1187704 168 01:10:36 6200384 7536376 273856 3.37 35112 1497976 522344 5.69 457792 1253204 124 01:20:01 6199124 7535572 274616 3.38 35260 1498300 522700 5.69 458340 1253644 280 01:30:06 6192112 7529144 281032 3.46 35440 1498632 522712 5.69 458416 1254188 236 01:40:26 6115736 7479584 330112 4.06 35804 1524680 546220 5.95 491000 1278956 608 01:50:01 5123400 7395660 361748 4.45 90504 2333640 642436 7.00 601852 2098996 692 02:00:36 5103144 7391916 365300 4.49 90656 2349956 645288 7.03 604612 2115448 652 Average: 5887907 7485893 310493 3.82 50500 1732829 560230 6.10 502801 1491734 394 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.91 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:36 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:36 ens3 0.91 0.46 3.11 0.06 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 0.65 0.16 0.19 0.11 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.44 0.19 0.08 0.64 0.00 0.00 0.00 0.00 01:40:26 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 18.19 8.00 39.96 2.99 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 73.31 54.34 294.85 10.44 0.00 0.00 0.00 0.00 02:00:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:36 ens3 45.97 42.49 10.07 5.73 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 19.92 15.05 47.91 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26970) 06/13/26 _x86_64_ (2 CPU) 00:40:55 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.25 0.00 0.17 0.01 0.02 99.55 01:00:16 0 0.20 0.00 0.16 0.00 0.02 99.62 01:00:16 1 0.30 0.00 0.18 0.01 0.02 99.49 01:10:36 all 0.44 0.17 0.18 0.15 0.03 99.02 01:10:36 0 0.61 0.00 0.10 0.07 0.02 99.20 01:10:36 1 0.27 0.35 0.27 0.24 0.03 98.84 01:20:01 all 0.28 0.00 0.07 0.01 0.03 99.62 01:20:01 0 0.49 0.00 0.04 0.01 0.01 99.44 01:20:01 1 0.07 0.00 0.10 0.00 0.04 99.79 01:30:06 all 0.29 0.00 0.15 0.01 0.03 99.52 01:30:06 0 0.49 0.00 0.13 0.01 0.02 99.35 01:30:06 1 0.08 0.00 0.18 0.01 0.04 99.70 01:40:26 all 0.63 0.00 0.13 0.02 0.03 99.20 01:40:26 0 0.76 0.00 0.13 0.01 0.01 99.09 01:40:26 1 0.50 0.00 0.12 0.03 0.04 99.31 01:50:01 all 14.83 0.00 1.92 0.81 0.08 82.36 01:50:01 0 10.54 0.00 1.46 0.36 0.08 87.57 01:50:01 1 19.13 0.00 2.38 1.27 0.08 77.14 02:00:36 all 5.93 0.00 0.58 0.04 0.08 93.37 02:00:36 0 6.65 0.00 0.62 0.03 0.08 92.63 02:00:36 1 5.21 0.00 0.55 0.05 0.08 94.10 Average: all 3.16 0.03 0.45 0.14 0.04 96.18 Average: 0 2.78 0.00 0.37 0.07 0.03 96.75 Average: 1 3.54 0.05 0.52 0.22 0.05 95.61