---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4425 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 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 767 5201 4 2261 7174 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:bc:ed:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81577sec preferred_lft 81577sec inet6 fe80::f816:3eff:febc:ed6d/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-4425) 04/19/26 _x86_64_ (2 CPU) 00:16:04 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.57 0.03 1.52 0.02 2.29 19.11 218.24 00:40:01 21.82 3.04 16.56 2.23 228.59 3144.21 923.53 00:50:01 1.35 0.00 1.34 0.01 0.00 24.99 0.87 01:00:01 1.47 0.00 1.45 0.02 0.00 23.71 0.87 01:10:01 1.49 0.02 1.46 0.01 0.60 134.00 396.73 01:20:01 1.52 0.00 1.51 0.00 0.00 36.15 0.03 01:30:01 1.62 0.00 1.59 0.03 0.00 24.85 1.17 Average: 4.41 0.44 3.63 0.33 33.07 486.70 220.15 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6247800 7527384 292800 3.60 30840 1453996 537944 5.86 465924 1204192 124 00:40:01 5278052 7391776 380128 4.67 84524 2193248 668488 7.28 623392 1951548 500 00:50:01 5210348 7325924 446092 5.49 84648 2195016 695144 7.57 641972 1953460 232 01:00:01 5229944 7347472 424492 5.22 84796 2196812 698612 7.61 645964 1955408 188 01:10:01 5145472 7298468 473436 5.82 84968 2232048 733744 7.99 679432 1990580 124 01:20:01 5094580 7253372 518304 6.37 85156 2237580 818116 8.91 706044 1996284 240 01:30:01 5146308 7307004 464792 5.72 85312 2239300 721316 7.86 667408 1998164 240 Average: 5336072 7350200 428578 5.27 77178 2106857 696195 7.58 632877 1864234 235 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.81 0.09 0.11 0.04 0.00 0.00 0.00 0.00 00:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 64.60 45.26 299.84 12.07 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 21.73 17.13 223.76 1.54 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 9.31 8.33 61.34 0.90 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 15.02 12.67 157.26 1.23 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 18.16 16.37 141.95 1.92 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 14.06 12.41 140.11 1.14 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 20.53 16.04 146.33 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4425) 04/19/26 _x86_64_ (2 CPU) 00:16:04 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.31 0.00 0.17 0.01 0.04 99.47 00:30:01 0 0.36 0.00 0.16 0.00 0.04 99.43 00:30:01 1 0.25 0.00 0.18 0.03 0.04 99.51 00:40:01 all 11.05 0.00 1.65 0.55 0.05 86.70 00:40:01 0 11.51 0.00 1.58 0.41 0.05 86.44 00:40:01 1 10.59 0.00 1.72 0.68 0.06 86.95 00:50:01 all 0.86 0.00 0.23 0.01 0.08 98.81 00:50:01 0 0.76 0.00 0.21 0.02 0.07 98.93 00:50:01 1 0.96 0.00 0.25 0.01 0.09 98.69 01:00:01 all 3.21 0.00 0.44 0.02 0.07 96.26 01:00:01 0 2.47 0.00 0.42 0.02 0.07 97.02 01:00:01 1 3.95 0.00 0.47 0.01 0.07 95.50 01:10:01 all 5.40 0.00 0.49 0.01 0.09 94.01 01:10:01 0 7.98 0.00 0.71 0.01 0.09 91.20 01:10:01 1 2.87 0.00 0.28 0.01 0.08 96.75 01:20:01 all 1.97 0.00 0.31 0.01 0.09 97.62 01:20:01 0 2.64 0.00 0.33 0.01 0.09 96.93 01:20:01 1 1.31 0.00 0.29 0.01 0.09 98.31 01:30:01 all 0.86 0.00 0.30 0.01 0.09 98.74 01:30:01 0 0.83 0.00 0.25 0.01 0.08 98.82 01:30:01 1 0.90 0.00 0.34 0.01 0.09 98.65 Average: all 3.37 0.00 0.51 0.09 0.07 95.95 Average: 0 3.77 0.00 0.52 0.07 0.07 95.56 Average: 1 2.97 0.00 0.51 0.11 0.07 96.34