---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2121 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: 5600.00 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 784 5053 4 2399 7156 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:18:eb:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79551sec preferred_lft 79551sec inet6 fe80::f816:3eff:fe18:eb08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2121) 04/12/26 _x86_64_ (2 CPU) 00:13:04 LINUX RESTART (2 CPU) 00:20:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:44 1.58 0.01 1.54 0.04 0.05 23.36 1.67 00:40:01 1.96 0.34 1.58 0.04 43.18 80.35 1.44 00:50:34 14.10 0.00 1.36 12.74 0.14 19.91 101201.26 01:00:44 1.53 0.00 1.49 0.03 0.00 22.39 1.40 01:10:01 1.28 0.00 1.23 0.05 0.00 20.72 1.41 01:20:44 1.38 0.00 1.33 0.05 0.00 21.91 0.97 01:30:34 1.59 0.00 1.55 0.05 0.00 25.80 0.46 01:40:01 1.27 0.00 1.27 0.00 0.00 19.11 0.00 01:50:24 1.47 0.00 1.46 0.00 0.00 22.03 0.03 02:00:04 1.64 0.00 1.62 0.02 0.00 24.26 0.29 Average: 2.86 0.03 1.44 1.38 4.05 27.60 10753.54 00:20:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:44 5323624 7408780 363372 4.47 84812 2164852 607056 6.61 585996 1934580 140 00:40:01 5278836 7393368 378556 4.65 85076 2193860 608436 6.63 598964 1952444 324 00:50:34 5285908 7402048 369828 4.55 85280 2195216 608436 6.63 599984 1954024 164 01:00:44 5285068 7402720 369172 4.54 85484 2196524 608524 6.63 600016 1955536 172 01:10:01 5288860 7408460 363432 4.47 85676 2198280 610600 6.65 601212 1957356 184 01:20:44 5288772 7410516 361376 4.44 85888 2200212 610664 6.65 601452 1959500 124 01:30:34 5273680 7397528 374340 4.60 86104 2202100 610664 6.65 601716 1961588 168 01:40:01 5272208 7397396 374488 4.60 86244 2203284 610728 6.65 601768 1962928 288 01:50:24 5267928 7394704 376952 4.64 86416 2204728 665868 7.25 606960 1964516 180 02:00:04 5275332 7403648 368164 4.53 86592 2206060 610792 6.65 601948 1965924 248 Average: 5284022 7401917 369968 4.55 85757 2196512 615177 6.70 600002 1956840 199 00:20:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:44 ens3 1.08 0.22 0.18 0.10 0.00 0.00 0.00 0.00 00:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 2.27 0.42 3.64 0.15 0.00 0.00 0.00 0.00 00:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:34 ens3 0.92 0.12 0.15 0.07 0.00 0.00 0.00 0.00 01:00:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:44 ens3 0.54 0.13 0.10 0.06 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 0.54 0.14 0.11 0.06 0.00 0.00 0.00 0.00 01:20:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:44 ens3 0.51 0.12 0.11 0.06 0.00 0.00 0.00 0.00 01:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:34 ens3 0.44 0.13 0.09 0.05 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 0.62 0.16 0.17 0.10 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 3.17 0.36 0.57 0.21 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 1.15 0.24 0.16 0.08 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.13 0.20 0.51 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2121) 04/12/26 _x86_64_ (2 CPU) 00:13:04 LINUX RESTART (2 CPU) 00:20:44 CPU %user %nice %system %iowait %steal %idle 00:30:44 all 0.66 0.00 0.23 0.01 0.04 99.06 00:30:44 0 0.52 0.00 0.21 0.01 0.03 99.23 00:30:44 1 0.80 0.00 0.25 0.01 0.04 98.90 00:40:01 all 0.68 0.00 0.16 0.02 0.05 99.10 00:40:01 0 0.81 0.00 0.18 0.01 0.06 98.95 00:40:01 1 0.55 0.00 0.14 0.03 0.04 99.25 00:50:34 all 0.63 0.00 0.12 0.03 0.04 99.18 00:50:34 0 0.73 0.00 0.17 0.05 0.06 98.99 00:50:34 1 0.53 0.00 0.08 0.01 0.03 99.36 01:00:44 all 0.60 0.00 0.21 0.01 0.04 99.13 01:00:44 0 0.77 0.00 0.21 0.01 0.05 98.97 01:00:44 1 0.44 0.00 0.22 0.01 0.03 99.30 01:10:01 all 0.69 0.00 0.12 0.01 0.04 99.14 01:10:01 0 0.81 0.00 0.13 0.01 0.05 99.00 01:10:01 1 0.57 0.00 0.11 0.01 0.04 99.27 01:20:44 all 0.66 0.00 0.12 0.01 0.04 99.18 01:20:44 0 0.67 0.00 0.13 0.00 0.05 99.15 01:20:44 1 0.65 0.00 0.10 0.01 0.04 99.20 01:30:34 all 0.73 0.00 0.22 0.01 0.04 99.01 01:30:34 0 0.67 0.00 0.22 0.01 0.04 99.05 01:30:34 1 0.78 0.00 0.21 0.00 0.04 98.97 01:40:01 all 0.64 0.00 0.13 0.01 0.04 99.18 01:40:01 0 0.69 0.00 0.14 0.01 0.04 99.12 01:40:01 1 0.58 0.00 0.12 0.01 0.04 99.24 01:50:24 all 0.66 0.00 0.14 0.01 0.04 99.15 01:50:24 0 0.63 0.00 0.14 0.01 0.04 99.19 01:50:24 1 0.69 0.00 0.14 0.02 0.05 99.10 02:00:04 all 0.65 0.00 0.22 0.01 0.04 99.08 02:00:04 0 0.56 0.00 0.17 0.01 0.02 99.24 02:00:04 1 0.73 0.00 0.28 0.01 0.05 98.93 Average: all 0.66 0.00 0.17 0.01 0.04 99.12 Average: 0 0.69 0.00 0.17 0.01 0.04 99.09 Average: 1 0.63 0.00 0.16 0.01 0.04 99.15