---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15675 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 7.9G 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 788 5258 4 2183 7153 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:df:bd:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80457sec preferred_lft 80457sec inet6 fe80::f816:3eff:fedf:bd1c/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-15675) 05/16/26 _x86_64_ (2 CPU) 01:47:45 LINUX RESTART (2 CPU) 01:50:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:19 1.59 0.03 1.55 0.01 1.25 18.96 440.85 02:10:25 1.34 0.01 1.33 0.00 0.05 16.02 0.12 02:20:08 14.69 0.26 1.52 12.91 32.01 75.13 112194.70 02:30:25 1.40 0.00 1.38 0.03 0.00 17.59 425.30 02:40:25 1.23 0.00 1.21 0.02 0.00 15.03 1.09 02:50:07 1.73 0.43 1.29 0.02 16.55 48.18 1.24 03:00:25 22.01 2.54 17.32 2.15 205.81 3012.15 726.10 03:10:25 1.30 0.00 1.30 0.00 0.00 15.75 0.00 03:20:25 1.30 0.00 1.30 0.00 0.00 15.77 0.00 Average: 5.20 0.37 3.19 1.65 28.95 369.16 12305.73 01:50:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:19 6280872 7531620 288572 3.55 30608 1425712 534444 5.82 454204 1187152 132 02:10:25 6287956 7539220 280964 3.45 30788 1426044 534576 5.82 454272 1187664 184 02:20:08 6234704 7512704 306900 3.77 31136 1452076 729312 7.94 468848 1205252 212 02:30:25 6228776 7507368 312076 3.84 31368 1452400 729320 7.94 468940 1205808 128 02:40:25 6228788 7507908 311592 3.83 31564 1452728 729548 7.95 469068 1206332 124 02:50:07 6204076 7498392 320812 3.94 31884 1467556 775528 8.45 513600 1219844 172 03:00:25 5262592 7384836 386104 4.75 85100 2200992 853408 9.30 615568 1962448 180 03:10:25 5262592 7385288 385676 4.74 85208 2201352 853468 9.30 615740 1962908 220 03:20:25 5262592 7385748 385232 4.74 85316 2201696 853416 9.30 615868 1963368 176 Average: 5916994 7472565 330881 4.07 49219 1697840 732558 7.98 519568 1455642 170 01:50:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 1.17 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:25 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.85 0.22 9.04 0.03 0.00 0.00 0.00 0.00 02:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:25 ens3 0.37 0.07 0.21 0.04 0.00 0.00 0.00 0.00 02:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:25 ens3 0.40 0.09 0.12 0.06 0.00 0.00 0.00 0.00 02:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 12.09 5.26 20.88 2.80 0.00 0.00 0.00 0.00 03:00:25 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:25 ens3 55.86 38.16 274.85 8.74 0.00 0.00 0.00 0.00 03:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:25 ens3 1.37 0.17 0.16 0.03 0.00 0.00 0.00 0.00 03:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:25 ens3 0.87 0.23 0.11 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.30 5.03 34.77 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15675) 05/16/26 _x86_64_ (2 CPU) 01:47:45 LINUX RESTART (2 CPU) 01:50:25 CPU %user %nice %system %iowait %steal %idle 02:00:19 all 0.32 0.00 0.15 0.01 0.03 99.48 02:00:19 0 0.32 0.00 0.16 0.02 0.03 99.47 02:00:19 1 0.31 0.00 0.14 0.01 0.04 99.50 02:10:25 all 0.25 0.00 0.07 0.01 0.03 99.64 02:10:25 0 0.45 0.00 0.06 0.01 0.02 99.46 02:10:25 1 0.05 0.00 0.08 0.01 0.04 99.82 02:20:08 all 0.38 0.00 0.11 0.04 0.04 99.43 02:20:08 0 0.34 0.00 0.14 0.03 0.04 99.45 02:20:08 1 0.42 0.00 0.08 0.06 0.03 99.41 02:30:25 all 0.27 0.00 0.15 0.01 0.03 99.53 02:30:25 0 0.28 0.00 0.14 0.00 0.03 99.55 02:30:25 1 0.26 0.00 0.16 0.02 0.04 99.52 02:40:25 all 0.27 0.00 0.07 0.01 0.03 99.62 02:40:25 0 0.48 0.00 0.05 0.00 0.02 99.44 02:40:25 1 0.07 0.00 0.08 0.02 0.04 99.80 02:50:07 all 0.56 0.00 0.10 0.01 0.04 99.29 02:50:07 0 0.74 0.00 0.09 0.01 0.03 99.14 02:50:07 1 0.38 0.00 0.12 0.02 0.04 99.45 03:00:25 all 10.03 0.00 1.67 0.50 0.06 87.75 03:00:25 0 6.60 0.00 1.41 0.50 0.05 91.44 03:00:25 1 13.47 0.00 1.92 0.50 0.06 84.05 03:10:25 all 0.38 0.00 0.13 0.01 0.05 99.44 03:10:25 0 0.42 0.00 0.08 0.01 0.04 99.46 03:10:25 1 0.34 0.00 0.17 0.00 0.06 99.42 03:20:25 all 0.38 0.00 0.13 0.01 0.05 99.43 03:20:25 0 0.44 0.00 0.08 0.01 0.03 99.44 03:20:25 1 0.32 0.00 0.18 0.01 0.07 99.42 Average: all 1.46 0.00 0.29 0.07 0.04 98.14 Average: 0 1.14 0.00 0.25 0.07 0.03 98.51 Average: 1 1.78 0.00 0.33 0.07 0.05 97.77