---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13083 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 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 765 5193 4 2271 7175 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:bb:c6:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80580sec preferred_lft 80580sec inet6 fe80::f816:3eff:febb:c6e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13083) 05/13/26 _x86_64_ (2 CPU) 00:40:05 LINUX RESTART (2 CPU) 00:50:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.59 0.01 1.56 0.03 0.06 18.70 918.19 01:10:01 1.29 0.00 1.28 0.02 0.00 15.15 1.21 01:20:35 1.36 0.00 1.35 0.02 0.01 16.04 1.13 01:30:25 2.12 0.26 1.82 0.05 31.50 78.74 887.70 01:40:01 1.38 0.01 1.36 0.02 1.10 16.10 1.18 01:50:15 2.81 1.29 1.50 0.02 94.07 116.92 0.64 02:00:41 21.00 1.63 17.24 2.13 126.29 3024.48 808.76 02:10:01 15.86 0.01 1.46 14.40 0.53 71.11 114311.11 Average: 5.95 0.41 3.54 1.99 32.81 438.51 13761.05 00:50:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6273232 7520348 300012 3.69 30720 1422052 522976 5.70 448036 1183552 176 01:10:01 6286544 7534184 286176 3.52 30920 1422376 523176 5.70 446180 1184076 240 01:20:35 6286640 7534884 285448 3.51 31152 1422752 523208 5.70 446512 1184672 164 01:30:25 6233008 7507952 311912 3.84 31540 1448696 726080 7.91 461076 1202252 140 01:40:01 6236988 7512880 306976 3.77 31748 1449424 523404 5.70 456032 1202748 268 01:50:15 6032164 7409908 403756 4.96 39672 1538128 587356 6.40 548144 1286752 42356 02:00:41 5287696 7413268 358044 4.40 85316 2204208 645648 7.03 597604 1965544 536 02:10:01 5269480 7409908 361392 4.44 85424 2218980 648296 7.06 600252 1980260 260 Average: 5988219 7480416 326714 4.02 45812 1640827 587518 6.40 500480 1398732 5518 00:50:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.51 0.06 0.07 0.03 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 0.67 0.05 13.68 0.03 0.00 0.00 0.00 0.00 01:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:35 ens3 0.53 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 0.56 0.35 3.20 0.52 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.42 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:50:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:15 ens3 18.35 10.61 52.33 4.14 0.00 0.00 0.00 0.00 02:00:41 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 02:00:41 ens3 63.94 50.87 242.98 8.91 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 46.61 43.47 10.39 5.71 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 16.57 13.24 42.02 2.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13083) 05/13/26 _x86_64_ (2 CPU) 00:40:05 LINUX RESTART (2 CPU) 00:50:35 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.28 0.00 0.17 0.05 0.03 99.46 01:00:05 0 0.15 0.00 0.16 0.03 0.04 99.61 01:00:05 1 0.40 0.00 0.18 0.07 0.03 99.32 01:10:01 all 0.25 0.00 0.07 0.03 0.03 99.62 01:10:01 0 0.36 0.00 0.06 0.02 0.03 99.53 01:10:01 1 0.15 0.00 0.08 0.03 0.04 99.71 01:20:35 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:35 0 0.45 0.00 0.05 0.01 0.03 99.46 01:20:35 1 0.07 0.00 0.08 0.01 0.05 99.79 01:30:25 all 0.40 0.00 0.19 0.03 0.04 99.35 01:30:25 0 0.51 0.00 0.18 0.02 0.03 99.25 01:30:25 1 0.28 0.00 0.19 0.03 0.04 99.45 01:40:01 all 0.26 0.00 0.06 0.01 0.03 99.64 01:40:01 0 0.49 0.00 0.05 0.01 0.02 99.43 01:40:01 1 0.03 0.00 0.07 0.01 0.05 99.84 01:50:15 all 1.06 0.00 0.21 0.04 0.04 98.66 01:50:15 0 0.66 0.00 0.22 0.03 0.03 99.06 01:50:15 1 1.46 0.00 0.19 0.05 0.04 98.25 02:00:41 all 12.43 0.00 1.68 1.05 0.07 84.76 02:00:41 0 11.61 0.00 1.55 0.94 0.07 85.83 02:00:41 1 13.26 0.00 1.82 1.17 0.08 83.68 02:10:01 all 6.19 0.00 0.48 0.04 0.08 93.21 02:10:01 0 6.25 0.00 0.47 0.06 0.09 93.14 02:10:01 1 6.13 0.00 0.50 0.02 0.08 93.28 Average: all 2.67 0.00 0.37 0.16 0.05 96.75 Average: 0 2.58 0.00 0.35 0.15 0.04 96.89 Average: 1 2.76 0.00 0.40 0.18 0.05 96.62