---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35641 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 8.1G 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 739 5032 4 2470 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:1c:9c:f6 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 81449sec preferred_lft 81449sec inet6 fe80::f816:3eff:fe1c:9cf6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35641) 07/14/26 _x86_64_ (2 CPU) 02:07:42 LINUX RESTART (2 CPU) 02:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:32 1.31 0.03 1.28 0.00 1.25 15.24 0.12 02:30:01 1.42 0.01 1.41 0.01 0.06 16.90 460.04 02:40:33 1.17 0.00 1.17 0.00 0.00 13.80 0.11 02:50:33 13.84 0.00 1.31 12.53 0.15 15.25 109164.93 03:00:01 1.40 0.00 1.39 0.01 0.00 16.89 690.58 03:10:35 1.72 0.24 1.47 0.01 29.34 71.20 0.16 03:20:29 2.86 1.34 1.48 0.03 98.37 112.04 1.40 03:30:01 31.28 1.66 25.78 3.85 140.95 3837.68 1347.15 Average: 6.73 0.40 4.28 2.05 33.23 493.23 14033.15 02:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:32 6291840 7539500 281456 3.46 30688 1422676 519768 5.66 445932 1183344 128 02:30:01 6281784 7530016 290748 3.58 30880 1423004 522328 5.69 447704 1183864 128 02:40:33 6281336 7530060 290756 3.58 31044 1423328 522404 5.69 447788 1184352 132 02:50:33 6294256 7543548 277188 3.41 31228 1423704 522552 5.69 448008 1184884 128 03:00:01 6293500 7543276 277340 3.41 31392 1424032 522692 5.69 448144 1185348 124 03:10:35 6227948 7505048 315056 3.87 31732 1450640 730408 7.96 463320 1203432 128 03:20:29 6017696 7393148 420960 5.18 39608 1535948 584072 6.36 544464 1283800 40388 03:30:01 5178776 7399300 367188 4.52 90688 2289356 612440 6.67 607668 2053664 31168 Average: 6108392 7497987 315086 3.87 39658 1549086 567083 6.18 481628 1307836 9040 02:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 1.33 0.05 0.25 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 0.39 0.04 0.04 0.02 0.00 0.00 0.00 0.00 02:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:33 ens3 0.38 0.04 0.74 0.03 0.00 0.00 0.00 0.00 02:50:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:33 ens3 0.31 0.05 0.09 0.03 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 0.32 0.08 0.13 0.06 0.00 0.00 0.00 0.00 03:10:35 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:35 ens3 0.84 0.52 3.06 0.41 0.00 0.00 0.00 0.00 03:20:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:29 ens3 18.13 9.72 51.09 4.05 0.00 0.00 0.00 0.00 03:30:01 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 03:30:01 ens3 97.49 72.21 298.64 16.77 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.40 9.97 42.74 2.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35641) 07/14/26 _x86_64_ (2 CPU) 02:07:42 LINUX RESTART (2 CPU) 02:10:31 CPU %user %nice %system %iowait %steal %idle 02:20:32 all 0.26 0.00 0.08 0.33 0.02 99.31 02:20:32 0 0.43 0.00 0.07 0.62 0.02 98.86 02:20:32 1 0.09 0.00 0.09 0.04 0.02 99.75 02:30:01 all 0.31 0.00 0.17 0.11 0.02 99.39 02:30:01 0 0.35 0.00 0.16 0.18 0.02 99.30 02:30:01 1 0.28 0.00 0.18 0.03 0.02 99.49 02:40:33 all 0.26 0.00 0.08 0.06 0.02 99.58 02:40:33 0 0.45 0.00 0.06 0.09 0.01 99.39 02:40:33 1 0.06 0.00 0.09 0.04 0.02 99.78 02:50:33 all 0.28 0.00 0.09 0.92 0.02 98.70 02:50:33 0 0.27 0.00 0.08 0.40 0.02 99.23 02:50:33 1 0.28 0.00 0.09 1.44 0.02 98.18 03:00:01 all 0.30 0.00 0.19 0.05 0.02 99.45 03:00:01 0 0.24 0.00 0.20 0.08 0.02 99.47 03:00:01 1 0.36 0.00 0.18 0.02 0.02 99.42 03:10:35 all 0.43 0.00 0.11 0.13 0.02 99.31 03:10:35 0 0.40 0.00 0.12 0.22 0.02 99.25 03:10:35 1 0.47 0.00 0.10 0.04 0.02 99.37 03:20:29 all 1.12 0.00 0.23 0.17 0.02 98.47 03:20:29 0 0.97 0.00 0.20 0.23 0.01 98.58 03:20:29 1 1.26 0.00 0.26 0.11 0.02 98.35 03:30:01 all 16.40 0.00 2.29 2.89 0.06 78.35 03:30:01 0 18.44 0.00 2.46 3.04 0.06 76.00 03:30:01 1 14.36 0.00 2.13 2.74 0.06 80.71 Average: all 2.33 0.00 0.39 0.57 0.02 96.68 Average: 0 2.60 0.00 0.40 0.59 0.02 96.38 Average: 1 2.07 0.00 0.38 0.55 0.03 96.98