---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15973 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 739 5311 4 2180 7202 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:57:34:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81518sec preferred_lft 81518sec inet6 fe80::f816:3eff:fe57:3480/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15973) 05/17/26 _x86_64_ (2 CPU) 01:35:36 LINUX RESTART (2 CPU) 01:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:24 1.47 0.02 1.43 0.01 1.20 17.13 0.93 02:00:01 2.14 0.27 1.83 0.04 33.32 79.87 227.81 02:10:01 1.33 0.00 1.32 0.01 0.00 15.33 0.73 02:20:04 1.35 0.00 1.35 0.00 0.01 15.76 0.00 02:30:01 1.62 0.00 1.61 0.01 0.00 18.89 0.31 02:40:01 13.83 0.00 1.29 12.54 0.15 15.46 109101.74 02:50:05 1.74 0.41 1.32 0.00 15.94 47.68 0.16 Average: 3.35 0.10 1.45 1.80 7.07 29.70 15606.12 01:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:24 6287524 7534340 286396 3.52 30604 1421936 530392 5.78 449736 1183184 160 02:00:01 6253808 7527708 292544 3.60 31000 1448232 528920 5.76 458820 1200800 244 02:10:01 6261992 7536416 283836 3.49 31196 1448556 528928 5.76 458920 1201320 164 02:20:04 6261516 7536452 283792 3.49 31376 1448880 529072 5.76 458944 1201824 176 02:30:01 6259068 7534520 285688 3.51 31556 1449212 529080 5.76 459000 1202336 284 02:40:01 6256936 7533068 287048 3.53 31716 1449716 529072 5.76 459060 1202844 172 02:50:05 6233740 7525160 294684 3.62 32040 1464488 548344 5.97 488928 1216416 392 Average: 6259226 7532523 287713 3.54 31355 1447289 531973 5.79 461915 1201246 227 01:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 1.07 0.04 0.10 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.73 0.27 3.29 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.03 0.04 3.47 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.62 0.03 0.88 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 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 0.41 0.07 0.09 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 6.70 4.59 19.81 3.04 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 1.55 0.73 3.96 0.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15973) 05/17/26 _x86_64_ (2 CPU) 01:35:36 LINUX RESTART (2 CPU) 01:40:01 CPU %user %nice %system %iowait %steal %idle 01:50:24 all 0.28 0.00 0.07 0.02 0.03 99.60 01:50:24 0 0.23 0.00 0.08 0.02 0.03 99.64 01:50:24 1 0.34 0.00 0.06 0.02 0.03 99.55 02:00:01 all 0.38 0.00 0.21 0.04 0.03 99.34 02:00:01 0 0.46 0.00 0.23 0.03 0.03 99.26 02:00:01 1 0.31 0.00 0.20 0.05 0.03 99.42 02:10:01 all 0.25 0.00 0.08 0.01 0.03 99.63 02:10:01 0 0.41 0.00 0.05 0.01 0.02 99.51 02:10:01 1 0.10 0.00 0.10 0.01 0.03 99.75 02:20:04 all 0.27 0.00 0.08 0.01 0.02 99.62 02:20:04 0 0.36 0.00 0.06 0.01 0.02 99.55 02:20:04 1 0.19 0.00 0.09 0.01 0.03 99.68 02:30:01 all 0.27 0.00 0.17 0.01 0.02 99.52 02:30:01 0 0.24 0.00 0.16 0.01 0.02 99.56 02:30:01 1 0.30 0.00 0.19 0.00 0.03 99.48 02:40:01 all 0.24 0.00 0.09 0.03 0.02 99.62 02:40:01 0 0.39 0.00 0.09 0.05 0.02 99.46 02:40:01 1 0.09 0.00 0.10 0.01 0.02 99.78 02:50:05 all 0.55 0.00 0.11 0.02 0.02 99.29 02:50:05 0 0.39 0.00 0.12 0.01 0.02 99.45 02:50:05 1 0.71 0.00 0.11 0.04 0.02 99.12 Average: all 0.32 0.00 0.11 0.02 0.03 99.52 Average: 0 0.35 0.00 0.11 0.02 0.02 99.49 Average: 1 0.29 0.00 0.12 0.02 0.03 99.54