---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16659 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 787 5245 4 2197 7154 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:18:fb:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81732sec preferred_lft 81732sec inet6 fe80::f816:3eff:fe18:fb24/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16659) 05/19/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.57 0.03 1.53 0.01 1.32 18.50 462.78 02:10:35 1.41 0.01 1.39 0.01 0.05 16.18 0.91 02:20:35 1.39 0.00 1.37 0.02 0.01 16.03 1.20 02:30:01 1.61 0.00 1.58 0.02 0.00 19.11 462.98 02:40:25 1.35 0.00 1.33 0.02 0.00 15.82 1.27 02:50:22 15.52 1.33 1.56 12.63 96.94 112.73 109638.33 03:00:01 21.68 1.75 17.58 2.35 136.48 3202.79 807.47 Average: 6.29 0.44 3.70 2.15 33.07 473.75 15959.94 01:50:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6243368 7516560 303132 3.73 30752 1447932 733544 7.99 460760 1200372 124 02:10:35 6243116 7516856 302796 3.72 30968 1448260 733544 7.99 460912 1200916 124 02:20:35 6242388 7516680 302960 3.73 31188 1448584 733688 7.99 461208 1201460 124 02:30:01 6249572 7524432 295156 3.63 31392 1448920 733752 7.99 461384 1202000 240 02:40:25 6248880 7524292 295292 3.63 31612 1449248 735360 8.01 462572 1202548 180 02:50:22 5995916 7369528 443896 5.46 39472 1534420 822300 8.96 570596 1282920 40396 03:00:01 5242804 7367632 403060 4.96 85208 2203688 863340 9.40 631768 1964868 464 Average: 6066578 7476569 335185 4.12 40085 1568722 765075 8.33 501314 1322155 5950 01:50:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.75 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:10:35 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.39 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:35 ens3 0.25 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.33 0.03 0.99 0.01 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:22 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:22 ens3 18.01 9.82 51.05 4.39 0.00 0.00 0.00 0.00 03:00:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 96.41 68.93 272.89 14.36 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 16.27 11.02 45.44 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16659) 05/19/26 _x86_64_ (2 CPU) 01:47:49 LINUX RESTART (2 CPU) 01:50:36 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.17 0.01 0.02 99.47 02:00:01 0 0.47 0.00 0.15 0.01 0.02 99.35 02:00:01 1 0.18 0.00 0.18 0.01 0.03 99.60 02:10:35 all 0.25 0.00 0.08 0.54 0.02 99.11 02:10:35 0 0.07 0.00 0.09 0.40 0.02 99.41 02:10:35 1 0.42 0.00 0.07 0.67 0.02 98.81 02:20:35 all 0.24 0.00 0.08 0.01 0.02 99.66 02:20:35 0 0.13 0.00 0.09 0.01 0.02 99.75 02:20:35 1 0.34 0.00 0.06 0.01 0.02 99.57 02:30:01 all 0.28 0.00 0.17 0.02 0.02 99.52 02:30:01 0 0.19 0.00 0.19 0.01 0.02 99.59 02:30:01 1 0.36 0.00 0.15 0.02 0.02 99.45 02:40:25 all 0.27 0.00 0.08 0.01 0.02 99.63 02:40:25 0 0.28 0.00 0.08 0.02 0.02 99.61 02:40:25 1 0.25 0.00 0.08 0.00 0.02 99.65 02:50:22 all 1.13 0.00 0.26 0.06 0.02 98.54 02:50:22 0 0.80 0.00 0.20 0.07 0.02 98.91 02:50:22 1 1.45 0.00 0.32 0.04 0.02 98.17 03:00:01 all 14.19 0.00 2.08 0.59 0.06 83.08 03:00:01 0 14.54 0.00 2.28 0.72 0.06 82.40 03:00:01 1 13.85 0.00 1.87 0.46 0.06 83.76 Average: all 2.32 0.00 0.41 0.18 0.03 97.07 Average: 0 2.29 0.00 0.43 0.18 0.03 97.07 Average: 1 2.36 0.00 0.38 0.18 0.03 97.06