---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22406 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 8.0G 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 786 5047 4 2408 7155 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:0e:c5:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81276sec preferred_lft 81276sec inet6 fe80::f816:3eff:fe0e:c57f/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-22406) 06/02/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.69 0.01 1.67 0.02 0.05 20.04 648.33 01:10:06 1.24 0.00 1.24 0.00 0.00 14.53 0.00 01:20:01 1.87 0.26 1.60 0.01 31.24 74.78 0.30 01:30:06 1.44 0.00 1.42 0.01 1.04 17.39 0.32 01:40:06 1.17 0.00 1.17 0.00 0.00 13.85 0.00 01:50:01 52.45 16.71 20.37 15.37 381.91 3554.79 110954.13 02:00:06 1.56 0.00 1.53 0.03 0.34 68.98 1.32 Average: 8.70 2.40 4.11 2.18 58.61 532.37 15775.39 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6289900 7536964 283576 3.49 30672 1422044 530000 5.77 446832 1183412 180 01:10:06 6289452 7537004 283528 3.49 30824 1422376 530136 5.77 447064 1183896 180 01:20:01 6253340 7527544 292464 3.60 31172 1448348 725040 7.90 461832 1201444 144 01:30:06 6251268 7526312 293708 3.61 31328 1448996 530296 5.78 458728 1201944 188 01:40:06 6251016 7526668 293336 3.61 31480 1449448 530428 5.78 459380 1202420 200 01:50:01 5125040 7378780 380404 4.68 89696 2316644 644088 7.02 602632 2081752 452 02:00:06 5117552 7386860 372116 4.58 89872 2331964 647224 7.05 605520 2097144 428 Average: 5939653 7488590 314162 3.86 47863 1691403 591030 6.44 497427 1450287 253 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.68 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.64 0.09 4.92 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.78 0.29 3.24 0.07 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.46 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.64 0.15 0.21 0.13 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 81.27 60.89 322.05 13.59 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 45.01 40.21 10.33 5.64 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 18.43 14.49 48.22 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22406) 06/02/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.29 0.00 0.17 0.01 0.03 99.50 01:00:06 0 0.22 0.00 0.19 0.00 0.03 99.56 01:00:06 1 0.36 0.00 0.16 0.02 0.03 99.44 01:10:06 all 0.23 0.00 0.08 0.01 0.03 99.66 01:10:06 0 0.06 0.00 0.10 0.01 0.03 99.81 01:10:06 1 0.39 0.00 0.07 0.01 0.03 99.50 01:20:01 all 0.38 0.00 0.10 0.02 0.03 99.48 01:20:01 0 0.28 0.00 0.12 0.02 0.03 99.56 01:20:01 1 0.47 0.00 0.08 0.03 0.03 99.40 01:30:06 all 0.31 0.00 0.17 0.01 0.03 99.48 01:30:06 0 0.16 0.00 0.18 0.02 0.03 99.62 01:30:06 1 0.46 0.00 0.16 0.00 0.03 99.34 01:40:06 all 0.27 0.00 0.07 0.01 0.03 99.62 01:40:06 0 0.47 0.00 0.05 0.02 0.02 99.44 01:40:06 1 0.07 0.00 0.09 0.00 0.03 99.80 01:50:01 all 14.60 0.18 2.01 0.76 0.06 82.39 01:50:01 0 16.02 0.32 2.25 0.98 0.07 80.37 01:50:01 1 13.17 0.05 1.77 0.54 0.06 84.41 02:00:06 all 6.07 0.00 0.63 0.01 0.06 93.22 02:00:06 0 4.83 0.00 0.54 0.02 0.06 94.55 02:00:06 1 7.33 0.00 0.71 0.01 0.07 91.89 Average: all 3.14 0.03 0.46 0.12 0.04 96.23 Average: 0 3.12 0.04 0.49 0.15 0.04 96.16 Average: 1 3.15 0.01 0.43 0.09 0.04 96.29