---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11858 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 756 5246 4 2235 7185 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:27:29:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81653sec preferred_lft 81653sec inet6 fe80::f816:3eff:fe27:29fa/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-11858) 05/08/26 _x86_64_ (2 CPU) 00:37:20 LINUX RESTART (2 CPU) 00:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.29 0.03 1.26 0.00 1.24 15.61 0.12 01:00:01 1.51 0.01 1.47 0.03 0.05 18.24 883.43 01:10:09 1.29 0.00 1.28 0.02 0.00 15.13 1.08 01:20:09 1.39 0.00 1.37 0.02 0.01 15.92 1.20 01:30:01 2.11 0.26 1.82 0.04 31.40 77.33 443.00 01:40:10 13.91 0.01 1.52 12.39 1.18 17.63 107515.65 01:50:10 2.93 1.32 1.59 0.02 96.41 120.41 0.31 Average: 3.51 0.23 1.47 1.81 18.54 39.90 15770.94 00:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 6293168 7532628 288660 3.55 30136 1415516 528620 5.76 453212 1178708 124 01:00:01 6289304 7529336 291920 3.59 30352 1415848 528636 5.76 453348 1179244 128 01:10:09 6288052 7528628 292632 3.60 30560 1416164 528636 5.76 453832 1179780 124 01:20:09 6288052 7529172 292060 3.59 30760 1416504 528868 5.76 454220 1180316 184 01:30:01 6244336 7512164 308484 3.79 31156 1442448 723364 7.88 468448 1197896 240 01:40:10 6259024 7527896 292640 3.60 31364 1443264 529832 5.77 464648 1198448 172 01:50:10 6048372 7419216 395140 4.86 39296 1532068 599368 6.53 559920 1282580 42304 Average: 6244330 7511291 308791 3.80 31946 1440259 566761 6.17 472518 1199567 6182 00:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 1.12 0.06 0.15 0.05 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.49 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.41 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.41 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.54 0.24 3.19 0.05 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.49 0.22 0.12 0.59 0.00 0.00 0.00 0.00 01:50:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 23.80 11.75 54.16 4.21 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.89 1.78 8.26 0.72 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11858) 05/08/26 _x86_64_ (2 CPU) 00:37:20 LINUX RESTART (2 CPU) 00:40:08 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.28 0.00 0.07 0.02 0.03 99.61 00:50:08 0 0.07 0.00 0.09 0.02 0.03 99.79 00:50:08 1 0.48 0.00 0.05 0.02 0.02 99.42 01:00:01 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:01 0 0.13 0.00 0.18 0.02 0.03 99.65 01:00:01 1 0.48 0.00 0.15 0.01 0.03 99.33 01:10:09 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:09 0 0.07 0.00 0.08 0.00 0.04 99.81 01:10:09 1 0.49 0.00 0.05 0.02 0.02 99.42 01:20:09 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:09 0 0.10 0.00 0.08 0.01 0.04 99.76 01:20:09 1 0.37 0.00 0.06 0.01 0.03 99.53 01:30:01 all 0.39 0.00 0.20 0.03 0.03 99.36 01:30:01 0 0.46 0.00 0.22 0.04 0.03 99.25 01:30:01 1 0.31 0.00 0.17 0.02 0.03 99.47 01:40:10 all 0.27 0.00 0.08 0.03 0.03 99.59 01:40:10 0 0.42 0.00 0.07 0.05 0.02 99.44 01:40:10 1 0.11 0.00 0.09 0.01 0.04 99.75 01:50:10 all 1.13 0.00 0.20 0.04 0.03 98.60 01:50:10 0 1.04 0.00 0.11 0.04 0.02 98.80 01:50:10 1 1.22 0.00 0.30 0.05 0.04 98.40 Average: all 0.41 0.00 0.12 0.02 0.03 99.42 Average: 0 0.33 0.00 0.12 0.03 0.03 99.50 Average: 1 0.49 0.00 0.13 0.02 0.03 99.33