---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28177 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 779 5096 4 2358 7162 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:9e:bd:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80838sec preferred_lft 80838sec inet6 fe80::f816:3eff:fe9e:bdd1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28177) 06/18/26 _x86_64_ (2 CPU) 00:44:15 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 2.13 0.26 1.84 0.02 32.09 78.24 653.77 01:10:03 14.09 0.03 1.51 12.56 2.29 17.40 109129.93 01:20:03 1.40 0.00 1.38 0.02 0.01 15.84 1.20 01:30:03 1.55 0.00 1.52 0.03 0.00 18.53 654.33 01:40:03 1.44 0.00 1.42 0.02 0.00 17.17 1.32 01:50:04 1.35 0.01 1.32 0.01 0.53 15.76 1.08 02:00:04 24.96 2.98 19.69 2.29 225.32 3440.18 724.93 02:10:01 1.39 0.00 1.37 0.02 0.00 69.48 1.21 Average: 6.04 0.41 3.76 1.87 32.55 459.41 13900.33 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6234616 7512760 307092 3.78 30944 1452412 535384 5.83 456328 1204884 180 01:10:03 6240232 7519612 300204 3.69 31152 1453428 535520 5.83 457084 1205520 188 01:20:03 6240232 7520148 299652 3.68 31356 1453752 535588 5.83 457532 1206048 196 01:30:03 6238736 7519200 300616 3.70 31560 1454076 535680 5.83 457676 1206576 196 01:40:03 6238736 7519876 299916 3.69 31800 1454524 535808 5.84 458172 1207116 184 01:50:04 6238736 7520548 299256 3.68 31996 1454976 536156 5.84 458900 1207784 192 02:00:04 5200568 7408480 358436 4.41 87372 2280624 648440 7.06 599068 2043688 572 02:10:01 5180728 7403992 362916 4.46 87508 2295840 651092 7.09 601768 2059040 144 Average: 5976573 7490577 316011 3.89 45461 1662454 564208 6.15 493316 1417582 232 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 1.24 0.47 3.24 0.06 0.00 0.00 0.00 0.00 01:10:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.54 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.43 0.06 0.11 0.05 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.31 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.51 0.24 0.12 0.56 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.32 0.13 0.18 0.08 0.00 0.00 0.00 0.00 02:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:04 ens3 83.24 57.28 318.10 12.54 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 39.35 35.97 9.78 5.34 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 15.73 11.77 41.49 2.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28177) 06/18/26 _x86_64_ (2 CPU) 00:44:15 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.40 0.00 0.22 0.04 0.02 99.33 01:00:03 0 0.40 0.00 0.24 0.07 0.02 99.28 01:00:03 1 0.41 0.00 0.19 0.01 0.02 99.38 01:10:03 all 0.27 0.00 0.11 0.03 0.01 99.58 01:10:03 0 0.33 0.00 0.12 0.04 0.01 99.50 01:10:03 1 0.22 0.00 0.09 0.01 0.02 99.67 01:20:03 all 0.27 0.00 0.08 0.01 0.12 99.53 01:20:03 0 0.31 0.00 0.06 0.00 0.16 99.46 01:20:03 1 0.22 0.00 0.09 0.02 0.07 99.60 01:30:03 all 0.26 0.00 0.19 0.01 0.02 99.53 01:30:03 0 0.12 0.00 0.19 0.00 0.02 99.66 01:30:03 1 0.40 0.00 0.18 0.01 0.02 99.39 01:40:03 all 0.24 0.00 0.08 0.01 0.01 99.66 01:40:03 0 0.08 0.00 0.08 0.01 0.01 99.81 01:40:03 1 0.41 0.00 0.07 0.01 0.01 99.50 01:50:04 all 0.25 0.00 0.08 0.01 0.01 99.65 01:50:04 0 0.07 0.00 0.10 0.00 0.02 99.81 01:50:04 1 0.43 0.00 0.06 0.02 0.01 99.48 02:00:04 all 15.01 0.00 2.03 0.50 0.07 82.40 02:00:04 0 16.77 0.00 2.11 0.68 0.07 80.36 02:00:04 1 13.25 0.00 1.95 0.31 0.06 84.42 02:10:01 all 6.07 0.00 0.57 0.02 0.06 93.28 02:10:01 0 6.85 0.00 0.58 0.01 0.06 92.51 02:10:01 1 5.29 0.00 0.57 0.02 0.06 94.06 Average: all 2.83 0.00 0.42 0.08 0.04 96.63 Average: 0 3.10 0.00 0.43 0.10 0.05 96.32 Average: 1 2.57 0.00 0.40 0.05 0.03 96.95