---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21740 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 8.1G 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 780 4978 4 2483 7161 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:9c:44:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79443sec preferred_lft 79443sec inet6 fe80::f816:3eff:fe9c:445b/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-21740) 05/31/26 _x86_64_ (2 CPU) 00:10:29 LINUX RESTART (2 CPU) 00:20:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:25 1.52 0.01 1.49 0.02 0.05 22.23 0.83 00:40:29 14.75 0.00 1.35 13.40 0.15 18.95 105717.81 00:50:29 1.43 0.00 1.37 0.06 0.00 20.22 0.48 01:00:15 1.64 0.00 1.59 0.05 0.00 24.09 0.51 01:10:29 1.43 0.00 1.40 0.03 0.00 22.65 0.27 01:20:25 1.55 0.00 1.48 0.07 0.00 24.46 0.59 01:30:31 1.69 0.00 1.61 0.07 0.00 25.63 0.66 01:40:15 1.40 0.00 1.40 0.00 0.00 20.66 0.00 01:50:31 1.29 0.00 1.29 0.00 0.00 19.46 0.00 02:00:25 1.60 0.00 1.58 0.02 0.00 23.16 0.24 Average: 2.84 0.00 1.45 1.38 0.02 22.14 10662.25 00:20:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:25 5224240 7419608 347920 4.28 86488 2269548 600720 6.54 587300 2032844 144 00:40:29 5221024 7417656 349868 4.30 86636 2270652 602040 6.56 588604 2034072 160 00:50:29 5220404 7418500 349024 4.29 86872 2271900 602376 6.56 589500 2035544 152 01:00:15 5216424 7415992 351592 4.32 87088 2273164 602372 6.56 589520 2037016 152 01:10:29 5207100 7408712 358676 4.41 87280 2275040 659504 7.18 596164 2038936 212 01:20:25 5205592 7409460 358088 4.40 87508 2277024 604488 6.58 591140 2041192 268 01:30:31 5202628 7408452 359092 4.42 87716 2278772 604560 6.58 591176 2043148 144 01:40:15 5202628 7409840 357704 4.40 87864 2280012 604548 6.58 591192 2044536 132 01:50:31 5204868 7413564 353948 4.35 87984 2281408 604552 6.58 591248 2046020 160 02:00:25 5194552 7404872 362672 4.46 88144 2282840 604776 6.59 591512 2047516 264 Average: 5209946 7412666 354858 4.36 87358 2276036 608994 6.63 590736 2040082 179 00:20:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:25 ens3 0.75 0.22 0.16 0.10 0.00 0.00 0.00 0.00 00:40:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:29 ens3 1.26 0.23 0.32 0.16 0.00 0.00 0.00 0.00 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 2.73 0.20 0.47 0.16 0.00 0.00 0.00 0.00 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.82 0.16 0.14 0.06 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 0.64 0.11 0.10 0.04 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.66 0.08 0.12 0.04 0.00 0.00 0.00 0.00 01:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:31 ens3 0.75 0.19 0.18 0.10 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 0.56 0.15 0.15 0.08 0.00 0.00 0.00 0.00 01:50:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:31 ens3 0.55 0.26 0.16 0.11 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 3.66 0.37 0.56 0.82 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 1.23 0.20 0.24 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21740) 05/31/26 _x86_64_ (2 CPU) 00:10:29 LINUX RESTART (2 CPU) 00:20:30 CPU %user %nice %system %iowait %steal %idle 00:30:25 all 0.67 0.00 0.22 0.05 0.07 99.00 00:30:25 0 0.70 0.00 0.24 0.05 0.08 98.93 00:30:25 1 0.63 0.00 0.19 0.04 0.05 99.08 00:40:29 all 0.56 0.00 0.13 0.52 0.06 98.72 00:40:29 0 0.62 0.00 0.14 0.98 0.06 98.20 00:40:29 1 0.50 0.00 0.12 0.07 0.06 99.24 00:50:29 all 0.67 0.00 0.12 0.09 0.07 99.05 00:50:29 0 0.71 0.00 0.13 0.17 0.07 98.92 00:50:29 1 0.63 0.00 0.12 0.01 0.06 99.18 01:00:15 all 0.62 0.00 0.20 0.04 0.07 99.07 01:00:15 0 0.81 0.00 0.24 0.07 0.10 98.79 01:00:15 1 0.44 0.00 0.17 0.01 0.04 99.34 01:10:29 all 0.71 0.00 0.13 0.02 0.06 99.08 01:10:29 0 0.75 0.00 0.13 0.01 0.07 99.03 01:10:29 1 0.68 0.00 0.13 0.02 0.04 99.12 01:20:25 all 0.68 0.00 0.13 0.04 0.05 99.09 01:20:25 0 0.73 0.00 0.12 0.07 0.05 99.02 01:20:25 1 0.64 0.00 0.14 0.02 0.06 99.16 01:30:31 all 0.68 0.00 0.21 0.03 0.06 99.02 01:30:31 0 0.71 0.00 0.25 0.03 0.07 98.94 01:30:31 1 0.64 0.00 0.18 0.03 0.04 99.10 01:40:15 all 0.61 0.00 0.12 0.03 0.06 99.18 01:40:15 0 0.74 0.00 0.14 0.02 0.08 99.02 01:40:15 1 0.49 0.00 0.10 0.03 0.04 99.33 01:50:31 all 0.65 0.00 0.12 0.02 0.06 99.15 01:50:31 0 0.63 0.00 0.11 0.03 0.05 99.19 01:50:31 1 0.68 0.00 0.13 0.02 0.07 99.11 02:00:25 all 0.61 0.00 0.22 0.03 0.06 99.07 02:00:25 0 0.56 0.00 0.23 0.03 0.06 99.12 02:00:25 1 0.67 0.00 0.21 0.04 0.06 99.02 Average: all 0.65 0.00 0.16 0.09 0.06 99.04 Average: 0 0.70 0.00 0.17 0.15 0.07 98.92 Average: 1 0.60 0.00 0.15 0.03 0.05 99.17