---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37455 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 733 5215 4 2286 7208 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:e4:74:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81728sec preferred_lft 81728sec inet6 fe80::f816:3eff:fee4:743e/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-37455) 07/21/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:12 1.70 0.03 1.65 0.02 1.27 27.53 219.50 01:00:16 1.56 0.01 1.54 0.02 0.05 18.06 433.56 01:10:17 1.41 0.00 1.40 0.02 0.00 16.17 1.20 01:20:16 1.40 0.00 1.38 0.02 0.01 16.18 1.09 01:30:16 1.90 0.26 1.60 0.04 32.02 77.63 436.91 01:40:12 13.92 0.00 1.26 12.66 0.15 15.38 109934.70 01:50:08 1.67 0.40 1.26 0.00 15.90 47.06 0.24 Average: 3.36 0.10 1.44 1.81 7.05 31.14 15770.04 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:12 6291408 7541944 278220 3.42 30580 1425568 522740 5.69 437380 1187412 124 01:00:16 6298844 7549944 270232 3.32 30796 1425900 522872 5.70 437556 1187960 168 01:10:17 6311332 7562956 257224 3.16 30996 1426220 522900 5.70 437844 1188480 124 01:20:16 6309624 7561812 258364 3.18 31224 1426552 523116 5.70 438196 1189040 124 01:30:16 6259948 7539824 279756 3.44 31640 1453428 523116 5.70 447292 1207256 152 01:40:12 6259224 7539784 279780 3.44 31824 1453924 523472 5.70 447924 1207780 124 01:50:08 6236160 7531824 287548 3.54 32148 1468540 539276 5.87 480360 1221212 140 Average: 6280934 7546870 273018 3.36 31315 1440019 525356 5.72 446650 1198449 137 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:12 ens3 2.82 0.11 0.46 0.06 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.49 0.08 0.07 0.04 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.92 0.06 8.21 0.03 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.57 0.08 0.89 0.05 0.00 0.00 0.00 0.00 01:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.92 0.51 3.26 0.06 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.49 0.24 0.14 0.65 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 12.36 5.50 20.45 2.69 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 2.64 0.93 4.77 0.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37455) 07/21/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:12 all 0.29 0.00 0.16 0.02 0.04 99.49 00:50:12 0 0.24 0.00 0.17 0.02 0.04 99.53 00:50:12 1 0.35 0.00 0.15 0.02 0.04 99.45 01:00:16 all 0.25 0.00 0.17 0.01 0.04 99.53 01:00:16 0 0.32 0.00 0.16 0.00 0.03 99.48 01:00:16 1 0.18 0.00 0.17 0.02 0.05 99.58 01:10:17 all 0.27 0.00 0.07 0.01 0.04 99.62 01:10:17 0 0.46 0.00 0.05 0.00 0.03 99.46 01:10:17 1 0.08 0.00 0.09 0.02 0.05 99.77 01:20:16 all 0.23 0.00 0.07 0.01 0.04 99.65 01:20:16 0 0.09 0.00 0.08 0.00 0.05 99.78 01:20:16 1 0.37 0.00 0.07 0.02 0.04 99.51 01:30:16 all 0.38 0.00 0.19 0.03 0.04 99.36 01:30:16 0 0.29 0.00 0.21 0.03 0.05 99.42 01:30:16 1 0.47 0.00 0.17 0.02 0.04 99.31 01:40:12 all 0.29 0.00 0.07 0.04 0.04 99.56 01:40:12 0 0.35 0.00 0.07 0.03 0.03 99.53 01:40:12 1 0.22 0.00 0.08 0.05 0.05 99.60 01:50:08 all 0.49 0.00 0.09 0.01 0.04 99.37 01:50:08 0 0.74 0.00 0.04 0.01 0.02 99.19 01:50:08 1 0.23 0.00 0.15 0.02 0.06 99.55 Average: all 0.31 0.00 0.12 0.02 0.04 99.51 Average: 0 0.36 0.00 0.11 0.01 0.04 99.48 Average: 1 0.27 0.00 0.12 0.02 0.04 99.54