---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7881 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 740 5302 4 2187 7201 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:7d:6b:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80947sec preferred_lft 80947sec inet6 fe80::f816:3eff:fe7d:6b91/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7881) 04/25/26 _x86_64_ (2 CPU) 01:52:17 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.37 0.01 1.36 0.00 0.05 15.75 0.36 02:20:05 1.34 0.00 1.32 0.02 0.01 15.60 1.20 02:30:01 1.52 0.00 1.49 0.03 0.00 17.91 878.68 02:40:05 1.96 0.31 1.62 0.03 38.75 74.11 1.51 02:50:05 13.92 0.00 1.36 12.56 0.15 16.17 109129.58 03:00:01 1.60 0.00 1.59 0.02 0.00 18.79 438.82 03:10:05 24.52 2.99 19.33 2.20 226.19 3118.37 614.83 03:20:05 1.30 0.00 1.29 0.01 0.00 21.23 0.09 Average: 5.96 0.42 3.68 1.86 33.33 414.38 13872.59 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6288152 7539768 280860 3.45 30752 1426488 529104 5.76 438844 1187540 176 02:20:05 6295208 7547360 273240 3.36 30964 1426820 529236 5.76 438964 1188072 216 02:30:01 6289780 7542480 278112 3.42 31152 1427148 529256 5.76 439160 1188600 124 02:40:05 6251640 7533416 286588 3.52 31568 1455428 731708 7.97 456220 1206232 184 02:50:05 6251196 7533688 286204 3.52 31776 1455932 731992 7.97 456756 1206776 244 03:00:01 6249984 7533056 286768 3.53 31992 1456256 731996 7.97 457116 1207328 252 03:10:05 5265492 7384528 386984 4.76 85480 2197512 838604 9.13 604924 1956656 244 03:20:05 5224720 7345756 425764 5.24 85588 2199408 861388 9.38 618668 1958660 184 Average: 6014522 7495006 313065 3.85 44909 1630624 685410 7.47 488832 1387483 203 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.58 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.32 0.08 2.14 0.04 0.00 0.00 0.00 0.00 02:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.78 0.29 4.14 0.09 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.34 0.17 0.08 0.55 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.37 0.10 0.15 0.09 0.00 0.00 0.00 0.00 03:10:05 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:05 ens3 69.90 49.36 310.42 11.58 0.00 0.00 0.00 0.00 03:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:05 ens3 12.88 11.42 107.28 1.04 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 10.85 7.72 53.24 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7881) 04/25/26 _x86_64_ (2 CPU) 01:52:17 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.26 0.00 0.08 0.01 0.02 99.62 02:10:05 0 0.06 0.00 0.09 0.02 0.03 99.80 02:10:05 1 0.46 0.00 0.07 0.01 0.02 99.44 02:20:05 all 0.26 0.00 0.08 0.09 0.02 99.55 02:20:05 0 0.41 0.00 0.06 0.08 0.02 99.43 02:20:05 1 0.10 0.00 0.10 0.11 0.03 99.67 02:30:01 all 0.27 0.00 0.17 0.04 0.02 99.49 02:30:01 0 0.31 0.00 0.16 0.02 0.02 99.48 02:30:01 1 0.23 0.00 0.18 0.07 0.02 99.51 02:40:05 all 0.39 0.00 0.12 0.19 0.02 99.29 02:40:05 0 0.27 0.00 0.14 0.14 0.02 99.43 02:40:05 1 0.50 0.00 0.09 0.23 0.02 99.15 02:50:05 all 0.27 0.00 0.10 0.03 0.02 99.58 02:50:05 0 0.22 0.00 0.10 0.05 0.02 99.61 02:50:05 1 0.32 0.00 0.09 0.02 0.02 99.55 03:00:01 all 0.27 0.00 0.18 0.01 0.02 99.52 03:00:01 0 0.15 0.00 0.19 0.00 0.02 99.64 03:00:01 1 0.39 0.00 0.17 0.02 0.02 99.41 03:10:05 all 11.40 0.00 1.73 1.02 0.06 85.79 03:10:05 0 9.25 0.00 1.59 1.14 0.05 87.97 03:10:05 1 13.55 0.00 1.88 0.90 0.07 83.61 03:20:05 all 0.91 0.00 0.21 0.01 0.04 98.83 03:20:05 0 0.69 0.00 0.17 0.01 0.04 99.10 03:20:05 1 1.14 0.00 0.26 0.00 0.05 98.55 Average: all 1.76 0.00 0.34 0.18 0.03 97.70 Average: 0 1.42 0.00 0.31 0.18 0.03 98.05 Average: 1 2.09 0.00 0.36 0.17 0.03 97.35