---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1624 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 782 5181 4 2266 7158 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:dd:9a:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80629sec preferred_lft 80629sec inet6 fe80::f816:3eff:fedd:9a5c/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-1624) 04/10/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.29 0.01 1.27 0.01 0.05 16.29 436.29 01:10:15 1.77 0.31 1.43 0.03 38.14 70.58 1.16 01:20:01 1.25 0.01 1.23 0.01 1.09 15.25 0.30 01:30:01 1.39 0.00 1.37 0.01 0.00 17.84 653.09 01:40:15 1.13 0.00 1.13 0.00 0.00 14.42 0.00 01:50:01 1.39 0.26 1.14 0.00 8.88 31.51 0.00 02:00:01 22.70 2.79 17.67 2.24 220.12 3140.80 1251.54 02:10:15 1.50 0.00 1.46 0.04 0.34 70.92 1.28 Average: 4.05 0.42 3.33 0.29 33.57 421.36 292.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6280968 7527448 292776 3.60 30684 1421684 530784 5.78 446272 1183464 300 01:10:15 6232932 7508160 311508 3.83 31064 1449696 729224 7.94 463560 1200792 132 01:20:01 6250508 7526516 293180 3.61 31224 1450340 530996 5.78 458536 1201252 168 01:30:01 6247020 7523632 296000 3.64 31420 1450668 531060 5.78 458332 1201808 172 01:40:15 6246520 7523744 295892 3.64 31580 1451120 531460 5.79 459408 1202292 204 01:50:01 6251468 7536964 282560 3.47 31772 1459120 536824 5.85 466060 1209656 252 02:00:01 5267708 7383680 387840 4.77 85108 2195252 643440 7.01 599980 1954252 460 02:10:15 5265652 7397640 373848 4.60 85300 2211112 645096 7.03 601784 1970168 256 Average: 6005347 7490973 316700 3.89 44769 1636124 584860 6.37 494242 1390460 243 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.51 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.66 0.24 3.03 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.46 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.53 0.21 0.14 0.57 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 3.33 1.83 10.22 0.69 0.00 0.00 0.00 0.00 02:00:01 lo 1.31 1.31 0.11 0.11 0.00 0.00 0.00 0.00 02:00:01 ens3 77.64 57.50 292.74 12.26 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 46.60 42.87 10.25 5.81 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.33 12.93 39.48 2.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1624) 04/10/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.31 0.00 0.16 0.01 0.02 99.49 01:00:01 0 0.52 0.00 0.15 0.01 0.02 99.31 01:00:01 1 0.09 0.00 0.18 0.02 0.03 99.68 01:10:15 all 0.40 0.00 0.11 0.02 0.02 99.45 01:10:15 0 0.51 0.00 0.10 0.01 0.02 99.35 01:10:15 1 0.28 0.00 0.11 0.02 0.03 99.56 01:20:01 all 0.23 0.00 0.07 0.01 0.02 99.66 01:20:01 0 0.42 0.00 0.06 0.02 0.02 99.48 01:20:01 1 0.04 0.00 0.09 0.00 0.03 99.84 01:30:01 all 0.25 0.00 0.16 0.01 0.02 99.55 01:30:01 0 0.34 0.00 0.16 0.02 0.02 99.46 01:30:01 1 0.15 0.00 0.17 0.01 0.03 99.64 01:40:15 all 0.23 0.00 0.07 0.01 0.02 99.67 01:40:15 0 0.22 0.00 0.07 0.01 0.02 99.68 01:40:15 1 0.24 0.00 0.07 0.01 0.02 99.67 01:50:01 all 0.36 0.00 0.07 0.01 0.02 99.54 01:50:01 0 0.13 0.00 0.09 0.01 0.03 99.74 01:50:01 1 0.59 0.00 0.05 0.01 0.02 99.34 02:00:01 all 13.68 0.00 1.94 0.52 0.06 83.80 02:00:01 0 12.16 0.00 1.70 0.55 0.06 85.54 02:00:01 1 15.20 0.00 2.18 0.49 0.07 82.07 02:10:15 all 6.08 0.00 0.51 0.01 0.06 93.33 02:10:15 0 5.50 0.00 0.49 0.01 0.06 93.93 02:10:15 1 6.66 0.00 0.53 0.01 0.07 92.73 Average: all 2.69 0.00 0.39 0.08 0.03 96.82 Average: 0 2.47 0.00 0.35 0.08 0.03 97.07 Average: 1 2.91 0.00 0.42 0.07 0.03 96.57