---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27456 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 8.3G 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 773 4832 4 2632 7168 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:55:e3:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79260sec preferred_lft 79260sec inet6 fe80::f816:3eff:fe55:e371/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27456) 06/15/26 _x86_64_ (2 CPU) 00:43:20 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.53 0.01 1.51 0.02 0.05 18.43 660.57 01:10:07 1.40 0.00 1.38 0.02 0.00 16.43 1.19 01:20:08 13.95 0.00 1.43 12.51 0.16 16.64 108903.47 01:30:01 1.62 0.00 1.60 0.03 0.00 19.15 663.25 01:40:09 1.78 0.41 1.35 0.02 15.84 47.42 1.18 01:50:00 24.52 2.89 19.27 2.36 245.77 3481.66 558.26 02:00:02 1.38 0.00 1.36 0.02 0.00 18.46 0.24 02:10:10 1.39 0.00 1.39 0.00 0.00 146.42 0.12 02:20:12 1.45 0.00 1.42 0.02 0.00 369.33 0.82 02:30:00 1.53 0.00 1.49 0.04 0.00 95.94 1.02 02:40:12 1.33 0.00 1.32 0.01 0.00 16.83 0.52 Average: 4.68 0.30 3.02 1.37 23.46 381.03 10087.39 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6293544 7545560 274920 3.38 30708 1426924 521244 5.68 439488 1187560 160 01:10:07 6291876 7544460 276024 3.39 30932 1427256 521380 5.68 439612 1188124 168 01:20:08 6299436 7552612 267804 3.29 31144 1427624 521380 5.68 440908 1188680 216 01:30:01 6288628 7542348 278048 3.42 31348 1427948 521444 5.68 440880 1189208 240 01:40:09 6243660 7512704 307452 3.78 31692 1442720 561640 6.12 484132 1202804 344 01:50:00 4982232 7182492 584692 7.19 86876 2273572 812420 8.85 777052 2036036 172 02:00:02 5038540 7239344 527772 6.49 87016 2273976 769928 8.39 733712 2036580 304 02:10:10 4932500 7173516 593500 7.30 87160 2313940 849372 9.25 797184 2076688 152 02:20:12 4812992 7162204 603056 7.42 87332 2420488 885344 9.64 833592 2183400 260 02:30:00 4718964 7091456 673392 8.28 87516 2443256 919944 10.02 868100 2206360 124 02:40:12 4687096 7060292 704548 8.66 87660 2443808 963792 10.50 911584 2206928 124 Average: 5508133 7327908 462837 5.69 61762 1938319 713444 7.77 651477 1700215 206 00:50:06 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 1.10 0.12 0.21 0.10 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.88 0.05 6.28 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.51 0.09 0.31 0.06 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 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 14.43 7.24 23.91 3.39 0.00 0.00 0.00 0.00 01:50:00 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 88.16 69.11 750.12 10.79 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 31.64 29.14 479.27 1.94 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 82.06 76.91 1261.64 5.04 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 24.53 23.48 394.93 1.58 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 26.92 25.27 419.61 1.68 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 12.33 11.61 192.21 0.82 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 25.68 22.08 320.93 2.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27456) 06/15/26 _x86_64_ (2 CPU) 00:43:20 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:01 0 0.51 0.00 0.13 0.02 0.03 99.31 01:00:01 1 0.09 0.00 0.20 0.00 0.04 99.67 01:10:07 all 0.21 0.00 0.07 0.01 0.04 99.67 01:10:07 0 0.37 0.00 0.05 0.02 0.03 99.53 01:10:07 1 0.05 0.00 0.09 0.00 0.04 99.81 01:20:08 all 0.22 0.00 0.09 0.03 0.04 99.62 01:20:08 0 0.37 0.00 0.06 0.01 0.03 99.52 01:20:08 1 0.06 0.00 0.11 0.06 0.04 99.73 01:30:01 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:01 0 0.35 0.00 0.17 0.00 0.03 99.44 01:30:01 1 0.18 0.00 0.18 0.02 0.04 99.58 01:40:09 all 0.53 0.00 0.10 0.02 0.03 99.32 01:40:09 0 0.41 0.00 0.09 0.03 0.04 99.43 01:40:09 1 0.65 0.00 0.11 0.00 0.03 99.20 01:50:00 all 12.01 0.00 1.87 0.69 0.07 85.36 01:50:00 0 9.01 0.00 1.74 0.85 0.08 88.32 01:50:00 1 15.02 0.00 2.00 0.52 0.06 82.40 02:00:02 all 0.60 0.00 0.35 0.01 0.07 98.97 02:00:02 0 0.73 0.00 0.50 0.01 0.09 98.67 02:00:02 1 0.47 0.00 0.19 0.01 0.05 99.28 02:10:10 all 1.10 0.00 0.55 0.01 0.07 98.26 02:10:10 0 1.04 0.00 0.50 0.01 0.08 98.37 02:10:10 1 1.16 0.00 0.61 0.01 0.07 98.15 02:20:12 all 0.76 0.00 0.21 0.02 0.06 98.95 02:20:12 0 0.76 0.00 0.21 0.01 0.06 98.95 02:20:12 1 0.75 0.00 0.21 0.03 0.07 98.95 02:30:00 all 0.67 0.00 0.32 0.03 0.05 98.92 02:30:00 0 0.74 0.00 0.41 0.01 0.06 98.78 02:30:00 1 0.61 0.00 0.23 0.05 0.05 99.06 02:40:12 all 0.49 0.00 0.20 0.01 0.05 99.25 02:40:12 0 0.51 0.00 0.07 0.01 0.03 99.38 02:40:12 1 0.48 0.00 0.33 0.01 0.07 99.12 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.54 0.00 0.37 0.08 0.05 97.96 Average: 0 1.33 0.00 0.36 0.09 0.05 98.17 Average: 1 1.75 0.00 0.39 0.07 0.05 97.75