---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37639 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 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 752 5185 4 2297 7189 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:9e:cd:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81300sec preferred_lft 81300sec inet6 fe80::f816:3eff:fe9e:cddf/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-37639) 07/22/26 _x86_64_ (2 CPU) 00:39:33 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.05 0.28 1.74 0.03 32.46 87.34 219.22 01:00:00 1.32 0.01 1.29 0.03 1.11 16.58 437.08 01:10:17 1.22 0.00 1.20 0.02 0.00 14.87 1.06 01:20:00 1.13 0.00 1.11 0.02 0.01 14.11 1.11 01:30:17 1.39 0.00 1.37 0.03 0.00 17.37 425.19 01:40:17 1.33 0.00 1.32 0.02 0.00 16.05 1.20 01:50:00 1.45 0.00 1.43 0.02 0.00 17.42 225.15 02:00:17 37.99 2.78 19.74 15.47 219.72 3524.34 104870.57 Average: 6.10 0.39 3.71 2.00 32.32 474.30 13596.55 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6241328 7514464 305464 3.76 30704 1447992 728432 7.93 458516 1200816 160 01:00:00 6242624 7516636 303200 3.73 30904 1448644 528412 5.76 453532 1201344 164 01:10:17 6262780 7537344 282500 3.47 31116 1448968 528544 5.76 453688 1201892 180 01:20:00 6263776 7538856 280980 3.46 31300 1449292 528544 5.76 453840 1202400 140 01:30:17 6271628 7547256 272512 3.35 31508 1449624 528672 5.76 454124 1202940 132 01:40:17 6271376 7547680 272076 3.35 31732 1450068 530364 5.78 455488 1203480 136 01:50:00 6266336 7543220 276520 3.40 31964 1450400 528768 5.76 454568 1204044 140 02:00:17 5190724 7413172 352748 4.34 87912 2294168 632616 6.89 591016 2058172 168 Average: 6126322 7519828 293250 3.61 38392 1554894 566794 6.17 471846 1309386 152 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.83 0.33 3.66 0.10 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.50 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.43 0.06 0.24 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.43 0.07 0.11 0.05 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.33 0.16 0.09 0.51 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.40 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.31 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:00:17 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:17 ens3 106.68 76.15 325.81 17.55 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 14.32 9.86 42.28 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37639) 07/22/26 _x86_64_ (2 CPU) 00:39:33 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.46 0.00 0.20 0.02 0.02 99.29 00:50:01 0 0.43 0.00 0.22 0.03 0.03 99.29 00:50:01 1 0.49 0.00 0.18 0.02 0.02 99.29 01:00:00 all 0.28 0.00 0.18 0.01 0.02 99.50 01:00:00 0 0.22 0.00 0.19 0.02 0.02 99.55 01:00:00 1 0.34 0.00 0.18 0.01 0.03 99.45 01:10:17 all 0.25 0.00 0.07 0.01 0.02 99.66 01:10:17 0 0.05 0.00 0.09 0.00 0.02 99.84 01:10:17 1 0.45 0.00 0.05 0.02 0.01 99.47 01:20:00 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:00 0 0.05 0.00 0.09 0.02 0.02 99.82 01:20:00 1 0.48 0.00 0.06 0.01 0.02 99.44 01:30:17 all 0.27 0.00 0.14 0.01 0.02 99.55 01:30:17 0 0.28 0.00 0.14 0.01 0.02 99.55 01:30:17 1 0.26 0.00 0.14 0.01 0.02 99.56 01:40:17 all 0.22 0.00 0.07 0.02 0.02 99.68 01:40:17 0 0.30 0.00 0.05 0.02 0.02 99.61 01:40:17 1 0.13 0.00 0.08 0.01 0.02 99.76 01:50:00 all 0.24 0.00 0.07 0.01 0.02 99.66 01:50:00 0 0.07 0.00 0.07 0.01 0.02 99.82 01:50:00 1 0.41 0.00 0.07 0.01 0.02 99.49 02:00:17 all 14.32 0.00 2.07 0.58 0.05 82.97 02:00:17 0 13.08 0.00 2.13 0.72 0.05 84.02 02:00:17 1 15.56 0.00 2.01 0.44 0.05 81.93 Average: all 2.08 0.00 0.37 0.09 0.02 97.45 Average: 0 1.85 0.00 0.38 0.11 0.02 97.64 Average: 1 2.31 0.00 0.35 0.07 0.02 97.25