---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-762 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 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 752 5207 4 2274 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:18:8e:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82086sec preferred_lft 82086sec inet6 fe80::f816:3eff:fe18:8e2e/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-762) 07/31/26 _x86_64_ (2 CPU) 01:44:24 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 1.49 0.01 1.47 0.01 0.05 17.99 436.31 02:10:00 1.18 0.00 1.17 0.02 0.00 14.02 0.99 02:20:12 1.21 0.00 1.19 0.02 0.01 14.39 1.29 02:30:00 1.96 0.26 1.66 0.04 31.61 79.45 445.81 02:40:00 1.21 0.00 1.19 0.02 0.00 14.48 1.09 02:50:06 25.11 1.49 10.27 13.34 110.92 1577.96 108371.94 Average: 5.40 0.29 2.84 2.27 23.87 288.99 18402.86 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6286896 7534468 286044 3.52 30632 1422608 525700 5.73 458044 1183584 200 02:10:00 6286896 7534996 285512 3.51 30832 1422928 525708 5.73 458104 1184108 136 02:20:12 6287884 7536520 283992 3.49 31032 1423256 525772 5.73 458224 1184640 124 02:30:00 6241744 7517772 302160 3.72 31408 1449876 726596 7.91 472716 1202872 124 02:40:00 6247820 7524372 295540 3.63 31596 1450204 727312 7.92 474000 1203384 148 02:50:06 5467212 7403780 376052 4.62 71748 2035948 826876 9.01 584376 1812756 227044 Average: 6136409 7508651 304883 3.75 37875 1534137 642994 7.00 484244 1295224 37963 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.99 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.42 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.31 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.85 0.46 3.35 0.06 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 6.29 3.79 4.16 3.33 0.00 0.00 0.00 0.00 02:50:06 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:50:06 ens3 39.13 25.25 275.16 10.23 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.07 4.99 47.63 2.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-762) 07/31/26 _x86_64_ (2 CPU) 01:44:24 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.26 0.00 0.16 0.01 0.03 99.54 02:00:12 0 0.28 0.00 0.17 0.01 0.03 99.52 02:00:12 1 0.25 0.00 0.16 0.01 0.03 99.56 02:10:00 all 0.28 0.00 0.07 0.01 0.02 99.62 02:10:00 0 0.06 0.00 0.07 0.00 0.03 99.84 02:10:00 1 0.50 0.00 0.06 0.01 0.02 99.40 02:20:12 all 0.28 0.00 0.07 0.01 0.03 99.62 02:20:12 0 0.14 0.00 0.09 0.01 0.03 99.73 02:20:12 1 0.41 0.00 0.05 0.00 0.02 99.51 02:30:00 all 0.43 0.00 0.20 0.02 0.02 99.32 02:30:00 0 0.53 0.00 0.17 0.03 0.02 99.24 02:30:00 1 0.34 0.00 0.22 0.01 0.03 99.40 02:40:00 all 0.40 0.00 0.09 0.01 0.02 99.48 02:40:00 0 0.37 0.00 0.09 0.01 0.02 99.51 02:40:00 1 0.43 0.00 0.10 0.01 0.02 99.45 02:50:06 all 6.35 0.00 0.87 0.34 0.03 92.40 02:50:06 0 4.38 0.00 0.76 0.29 0.03 94.53 02:50:06 1 8.33 0.00 0.98 0.38 0.03 90.28 Average: all 1.34 0.00 0.25 0.07 0.03 98.32 Average: 0 0.97 0.00 0.23 0.06 0.03 98.72 Average: 1 1.72 0.00 0.26 0.07 0.03 97.92