---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2380 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 736 5298 4 2196 7205 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:0b:76:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81539sec preferred_lft 81539sec inet6 fe80::f816:3eff:fe0b:76ca/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-2380) 04/13/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.09 0.01 1.08 0.01 0.06 14.76 451.46 01:10:21 0.96 0.00 0.96 0.00 0.00 12.59 0.00 01:20:21 1.63 0.32 1.29 0.01 40.08 71.25 0.23 01:30:01 1.09 0.00 1.08 0.01 0.00 14.67 450.86 01:40:12 1.57 0.42 1.14 0.00 16.54 82.45 0.07 01:50:21 21.05 2.56 16.30 2.20 208.27 3027.40 508.28 02:00:01 1.11 0.00 1.07 0.04 0.00 21.42 0.98 Average: 4.13 0.48 3.32 0.33 38.54 472.49 199.36 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6272752 7535296 285244 3.51 30820 1437280 547700 5.97 455632 1191008 172 01:10:21 6272752 7535824 284736 3.50 30980 1437616 547700 5.97 455920 1191532 152 01:20:21 6244212 7536388 283608 3.49 31340 1465988 547920 5.97 467764 1208888 88 01:30:01 6239984 7532704 287264 3.53 31520 1466312 548580 5.98 470216 1209396 168 01:40:12 6185980 7505548 313944 3.86 32040 1492232 571968 6.23 498632 1234320 516 01:50:21 5256728 7383096 388712 4.78 85180 2205164 656040 7.15 609372 1956224 136 02:00:01 5220776 7349172 422572 5.20 85340 2207036 678816 7.39 624400 1958256 116 Average: 5956169 7482575 323726 3.98 46746 1673090 585532 6.38 511705 1421375 193 00:50:21 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 0.68 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:21 ens3 0.38 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:20:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 0.74 0.27 3.17 0.09 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 0.41 0.14 0.08 0.56 0.00 0.00 0.00 0.00 01:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 12.73 7.09 39.92 2.90 0.00 0.00 0.00 0.00 01:50:21 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:21 ens3 52.36 36.91 266.63 8.32 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.70 12.39 111.00 1.13 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 11.71 8.21 60.59 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2380) 04/13/26 _x86_64_ (2 CPU) 00:41:57 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.15 0.01 0.03 99.52 01:00:01 0 0.50 0.00 0.12 0.00 0.02 99.35 01:00:01 1 0.08 0.00 0.18 0.02 0.03 99.68 01:10:21 all 0.23 0.00 0.07 0.01 0.03 99.66 01:10:21 0 0.36 0.00 0.06 0.00 0.02 99.55 01:10:21 1 0.11 0.00 0.09 0.01 0.03 99.76 01:20:21 all 0.35 0.00 0.12 0.04 0.02 99.48 01:20:21 0 0.15 0.00 0.10 0.05 0.02 99.68 01:20:21 1 0.54 0.00 0.13 0.03 0.02 99.29 01:30:01 all 0.27 0.00 0.16 0.01 0.02 99.54 01:30:01 0 0.15 0.00 0.16 0.01 0.02 99.66 01:30:01 1 0.40 0.00 0.16 0.01 0.01 99.42 01:40:12 all 0.63 0.00 0.14 0.02 0.02 99.20 01:40:12 0 0.47 0.00 0.14 0.02 0.02 99.35 01:40:12 1 0.79 0.00 0.13 0.01 0.01 99.05 01:50:21 all 11.12 0.00 1.69 0.51 0.05 86.63 01:50:21 0 10.84 0.00 1.67 0.60 0.05 86.84 01:50:21 1 11.39 0.00 1.71 0.42 0.06 86.42 02:00:01 all 0.87 0.00 0.30 0.01 0.04 98.77 02:00:01 0 0.57 0.00 0.26 0.01 0.04 99.11 02:00:01 1 1.18 0.00 0.35 0.01 0.05 98.42 Average: all 2.00 0.00 0.38 0.09 0.03 97.51 Average: 0 1.89 0.00 0.36 0.10 0.03 97.61 Average: 1 2.10 0.00 0.40 0.07 0.03 97.40