---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12642 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 745 5285 4 2200 7196 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:89:99:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81711sec preferred_lft 81711sec inet6 fe80::f816:3eff:fe89:99c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12642) 05/11/26 _x86_64_ (2 CPU) 01:58:10 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.31 0.03 1.28 0.00 1.26 15.76 0.12 02:20:40 1.21 0.01 1.20 0.00 0.06 15.00 0.11 02:30:20 14.51 0.00 1.52 12.98 0.15 19.14 113843.37 02:40:01 1.17 0.00 1.17 0.00 0.00 14.56 0.00 02:50:40 1.68 0.24 1.43 0.01 29.09 69.88 0.16 03:00:10 1.53 0.01 1.51 0.02 1.11 19.07 916.97 03:10:01 22.87 3.06 17.52 2.30 231.30 3210.60 688.47 Average: 6.23 0.47 3.63 2.12 37.44 475.54 15975.04 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6288404 7539924 280228 3.45 30612 1426556 528100 5.75 446000 1187196 124 02:20:40 6288156 7540240 279912 3.44 30812 1426912 528112 5.75 446080 1187752 156 02:30:20 6299616 7552264 267816 3.29 30984 1427284 528264 5.75 446072 1188268 124 02:40:01 6299112 7552232 267808 3.29 31152 1427584 528268 5.75 446316 1188736 124 02:50:40 6250848 7530648 288952 3.55 31504 1453560 722672 7.87 460904 1206300 124 03:00:10 6254964 7535716 283816 3.49 31676 1454292 529892 5.77 456604 1206764 224 03:10:01 5288468 7415084 356104 4.38 85088 2205488 632372 6.89 595236 1965808 1636 Average: 6138510 7523730 289234 3.56 38833 1545954 571097 6.22 471030 1304403 359 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.82 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:20:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:40 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:40 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:40 ens3 0.44 0.21 2.96 0.04 0.00 0.00 0.00 0.00 03:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:10 ens3 0.43 0.11 0.15 0.08 0.00 0.00 0.00 0.00 03:10:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 103.23 73.44 315.98 18.22 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.95 10.44 45.10 2.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12642) 05/11/26 _x86_64_ (2 CPU) 01:58:10 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.26 0.00 0.08 0.01 0.03 99.62 02:10:00 0 0.35 0.00 0.07 0.02 0.02 99.54 02:10:00 1 0.17 0.00 0.09 0.01 0.03 99.70 02:20:40 all 0.26 0.00 0.08 0.02 0.02 99.61 02:20:40 0 0.45 0.00 0.07 0.04 0.02 99.42 02:20:40 1 0.06 0.00 0.09 0.01 0.03 99.81 02:30:20 all 0.30 0.00 0.19 0.03 0.02 99.46 02:30:20 0 0.38 0.00 0.16 0.05 0.02 99.39 02:30:20 1 0.21 0.00 0.21 0.01 0.02 99.54 02:40:01 all 0.26 0.00 0.08 0.02 0.02 99.62 02:40:01 0 0.24 0.00 0.07 0.01 0.02 99.65 02:40:01 1 0.28 0.00 0.08 0.03 0.02 99.58 02:50:40 all 0.40 0.00 0.10 0.02 0.02 99.46 02:50:40 0 0.23 0.00 0.12 0.02 0.03 99.60 02:50:40 1 0.57 0.00 0.08 0.02 0.02 99.31 03:00:10 all 0.33 0.00 0.17 0.01 0.03 99.47 03:00:10 0 0.08 0.00 0.16 0.02 0.03 99.70 03:00:10 1 0.57 0.00 0.17 0.00 0.02 99.23 03:10:01 all 13.67 0.00 1.96 1.54 0.06 82.77 03:10:01 0 8.83 0.00 1.50 0.58 0.05 89.03 03:10:01 1 18.50 0.00 2.42 2.51 0.06 76.51 Average: all 2.18 0.00 0.38 0.23 0.03 97.18 Average: 0 1.50 0.00 0.31 0.10 0.03 98.07 Average: 1 2.87 0.00 0.44 0.37 0.03 96.28