---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25242 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 751 5162 4 2328 7190 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:52:68:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81941sec preferred_lft 81941sec inet6 fe80::f816:3eff:fe52:6852/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25242) 06/06/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:24 14.16 0.01 1.64 12.51 0.20 19.98 109484.75 01:10:01 1.17 0.00 1.16 0.02 0.00 14.12 1.25 01:20:12 1.85 0.25 1.58 0.02 31.47 73.72 0.69 01:30:23 1.49 0.00 1.48 0.02 0.00 18.41 854.78 01:40:01 1.19 0.00 1.19 0.00 0.00 14.81 0.00 01:50:14 15.56 13.64 1.87 0.05 163.31 73.42 6.24 Average: 5.98 2.37 1.49 2.11 33.27 36.20 18495.71 00:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:24 6290616 7537948 282612 3.48 30684 1422544 519480 5.66 446828 1183476 124 01:10:01 6297756 7545568 274984 3.38 30860 1422844 519668 5.66 446988 1183952 240 01:20:12 6248584 7523464 296536 3.65 31224 1449192 519804 5.66 454648 1201584 132 01:30:23 6247612 7523040 296940 3.65 31400 1449548 519812 5.66 454648 1202120 172 01:40:01 6262788 7538800 281200 3.46 31556 1449968 520072 5.66 455296 1202568 252 01:50:14 6163684 7511372 299176 3.68 35832 1508940 538960 5.87 490076 1263684 284 Average: 6251840 7530032 288575 3.55 31926 1450506 522966 5.70 458081 1206231 201 00:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 0.62 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.70 0.05 3.33 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.94 0.31 3.42 0.14 0.00 0.00 0.00 0.00 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.55 0.24 0.15 0.70 0.00 0.00 0.00 0.00 01:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:14 ens3 11.84 5.57 19.71 2.70 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 2.54 1.07 4.53 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25242) 06/06/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:22 CPU %user %nice %system %iowait %steal %idle 01:00:24 all 0.26 0.00 0.18 0.03 0.02 99.50 01:00:24 0 0.17 0.00 0.19 0.02 0.02 99.60 01:00:24 1 0.35 0.00 0.17 0.04 0.02 99.41 01:10:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:10:01 0 0.45 0.00 0.05 0.01 0.02 99.47 01:10:01 1 0.06 0.00 0.09 0.01 0.03 99.81 01:20:12 all 0.38 0.00 0.10 0.02 0.03 99.46 01:20:12 0 0.18 0.00 0.11 0.04 0.03 99.63 01:20:12 1 0.59 0.00 0.10 0.01 0.03 99.29 01:30:23 all 0.25 0.00 0.18 0.02 0.03 99.53 01:30:23 0 0.44 0.00 0.18 0.03 0.02 99.32 01:30:23 1 0.06 0.00 0.17 0.00 0.03 99.73 01:40:01 all 0.25 0.00 0.07 0.01 0.03 99.64 01:40:01 0 0.37 0.00 0.05 0.02 0.02 99.53 01:40:01 1 0.14 0.00 0.08 0.00 0.03 99.75 01:50:14 all 0.52 0.17 0.15 0.14 0.03 98.99 01:50:14 0 0.59 0.13 0.12 0.14 0.03 99.00 01:50:14 1 0.45 0.21 0.19 0.15 0.03 98.98 Average: all 0.32 0.03 0.13 0.04 0.03 99.46 Average: 0 0.37 0.02 0.12 0.05 0.02 99.42 Average: 1 0.28 0.04 0.13 0.04 0.03 99.49