---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12465 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 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 789 5161 4 2280 7152 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:60:68:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80742sec preferred_lft 80742sec inet6 fe80::f816:3eff:fe60:6883/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12465) 05/10/26 _x86_64_ (2 CPU) 01:44:40 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.09 0.26 1.81 0.02 31.03 77.21 653.96 02:10:01 1.38 0.01 1.35 0.02 1.05 16.01 1.25 02:20:23 1.40 0.00 1.38 0.02 0.01 16.21 1.27 02:30:21 14.28 0.00 1.66 12.62 0.15 19.71 109513.37 02:40:01 1.55 0.00 1.53 0.02 0.00 18.29 1.27 02:50:11 2.12 0.52 1.58 0.02 20.56 95.23 1.30 03:00:23 22.02 2.45 17.36 2.21 203.08 3017.18 583.87 03:10:01 1.49 0.00 1.43 0.06 0.36 71.00 1.56 Average: 5.84 0.41 3.55 1.87 32.58 423.82 13798.26 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6231416 7504312 315408 3.88 30776 1447668 727840 7.93 461788 1200244 124 02:10:01 6240096 7513848 305876 3.76 30984 1448308 533448 5.81 456636 1200780 132 02:20:23 6240096 7514400 305308 3.75 31208 1448636 533592 5.81 456672 1201324 164 02:30:21 6246968 7521872 297840 3.66 31404 1449008 533592 5.81 456624 1201868 144 02:40:01 6246940 7522552 297156 3.65 31640 1449468 533644 5.81 457320 1202440 132 02:50:11 6174232 7496276 320328 3.94 35952 1488944 557224 6.07 500648 1244432 10656 03:00:23 5279972 7404420 366824 4.51 85272 2203360 645480 7.03 598604 1964404 2284 03:10:01 5264696 7402860 368372 4.53 85436 2216956 648152 7.06 600984 1978016 300 Average: 5990552 7485068 322139 3.96 45334 1644044 589122 6.42 498660 1399188 1742 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.40 0.27 3.22 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.41 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.88 0.03 10.44 0.01 0.00 0.00 0.00 0.00 02:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 0.48 0.04 0.80 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.40 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:11 ens3 21.36 10.15 49.95 4.41 0.00 0.00 0.00 0.00 03:00:23 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:23 ens3 59.53 45.50 250.45 8.49 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 43.54 39.20 9.31 5.42 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 16.00 11.87 41.28 2.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12465) 05/10/26 _x86_64_ (2 CPU) 01:44:40 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.36 0.00 0.20 0.02 0.04 99.38 02:00:01 0 0.45 0.00 0.18 0.01 0.04 99.34 02:00:01 1 0.27 0.00 0.22 0.04 0.05 99.42 02:10:01 all 0.26 0.00 0.07 0.01 0.04 99.62 02:10:01 0 0.36 0.00 0.05 0.00 0.03 99.55 02:10:01 1 0.15 0.00 0.09 0.02 0.05 99.69 02:20:23 all 0.26 0.00 0.07 0.01 0.04 99.63 02:20:23 0 0.04 0.00 0.09 0.01 0.04 99.82 02:20:23 1 0.48 0.00 0.05 0.01 0.03 99.44 02:30:21 all 0.25 0.00 0.18 0.03 0.03 99.50 02:30:21 0 0.19 0.00 0.19 0.05 0.03 99.54 02:30:21 1 0.32 0.00 0.17 0.02 0.03 99.46 02:40:01 all 0.27 0.00 0.09 0.01 0.03 99.59 02:40:01 0 0.44 0.00 0.08 0.01 0.03 99.44 02:40:01 1 0.10 0.00 0.10 0.01 0.04 99.75 02:50:11 all 0.70 0.00 0.18 0.02 0.04 99.07 02:50:11 0 0.76 0.00 0.16 0.01 0.03 99.03 02:50:11 1 0.64 0.00 0.20 0.02 0.04 99.10 03:00:23 all 12.79 0.00 1.76 0.85 0.08 84.52 03:00:23 0 14.46 0.00 1.93 0.83 0.08 82.70 03:00:23 1 11.11 0.00 1.60 0.88 0.07 86.34 03:10:01 all 6.25 0.00 0.54 0.01 0.08 93.13 03:10:01 0 5.53 0.00 0.53 0.01 0.08 93.85 03:10:01 1 6.96 0.00 0.55 0.00 0.07 92.42 Average: all 2.64 0.00 0.39 0.12 0.05 96.80 Average: 0 2.78 0.00 0.40 0.12 0.05 96.65 Average: 1 2.50 0.00 0.37 0.13 0.05 96.96