---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38303 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 8.1G 30G 22% / 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 750 5018 4 2467 7191 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:e4:55:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81634sec preferred_lft 81634sec inet6 fe80::f816:3eff:fee4:55c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38303) 07/24/26 _x86_64_ (2 CPU) 05:16:41 LINUX RESTART (2 CPU) 05:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 14.56 0.03 1.63 12.90 1.43 19.53 112746.64 05:40:18 1.43 0.01 1.40 0.01 0.05 16.62 1.05 05:50:18 1.22 0.00 1.21 0.02 0.00 14.47 1.20 06:00:01 1.89 0.26 1.60 0.04 31.84 78.74 449.15 06:10:18 1.30 0.00 1.28 0.02 1.03 15.53 1.12 06:20:18 1.31 0.00 1.29 0.02 0.00 15.64 1.13 06:30:01 26.89 2.95 21.53 2.41 232.25 3748.19 546.08 Average: 6.81 0.45 4.21 2.15 37.20 545.62 15861.47 05:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 6297740 7544484 276008 3.39 30580 1421824 529316 5.77 441824 1183344 124 05:40:18 6296256 7543568 276908 3.40 30808 1422156 529384 5.77 442276 1183904 124 05:50:18 6294744 7542584 277876 3.42 31008 1422480 529520 5.77 442412 1184428 184 06:00:01 6256280 7531468 288392 3.55 31396 1449060 729844 7.95 456884 1202632 272 06:10:18 6263868 7540028 279856 3.44 31588 1449832 529660 5.77 452116 1203156 128 06:20:18 6263152 7539876 280000 3.44 31816 1450160 529660 5.77 452380 1203712 124 06:30:01 5112216 7379200 386716 4.76 87576 2338564 668840 7.28 623832 2102316 8856 Average: 6112037 7517315 295108 3.63 39253 1564868 578032 6.30 473103 1323356 1402 05:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 4.60 0.09 0.38 0.04 0.00 0.00 0.00 0.00 05:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:18 ens3 3.64 0.04 0.21 0.03 0.00 0.00 0.00 0.00 05:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:18 ens3 0.22 0.02 0.03 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.56 0.24 3.36 0.05 0.00 0.00 0.00 0.00 06:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:18 ens3 0.21 0.08 0.03 0.41 0.00 0.00 0.00 0.00 06:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:18 ens3 0.27 0.05 0.07 0.04 0.00 0.00 0.00 0.00 06:30:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:30:01 ens3 82.57 57.25 379.22 15.02 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.88 8.06 53.47 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38303) 07/24/26 _x86_64_ (2 CPU) 05:16:41 LINUX RESTART (2 CPU) 05:20:18 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 0.30 0.00 0.20 0.16 0.02 99.32 05:30:01 0 0.29 0.00 0.21 0.11 0.02 99.37 05:30:01 1 0.30 0.00 0.18 0.21 0.03 99.27 05:40:18 all 0.28 0.00 0.08 0.04 0.02 99.58 05:40:18 0 0.49 0.00 0.07 0.06 0.02 99.36 05:40:18 1 0.06 0.00 0.09 0.02 0.03 99.80 05:50:18 all 0.23 0.00 0.08 0.09 0.02 99.58 05:50:18 0 0.32 0.00 0.07 0.11 0.02 99.48 05:50:18 1 0.14 0.00 0.09 0.07 0.02 99.69 06:00:01 all 0.39 0.00 0.19 0.02 0.02 99.37 06:00:01 0 0.20 0.00 0.21 0.02 0.03 99.55 06:00:01 1 0.59 0.00 0.18 0.03 0.02 99.18 06:10:18 all 0.26 0.00 0.08 0.05 0.02 99.60 06:10:18 0 0.09 0.00 0.09 0.00 0.03 99.79 06:10:18 1 0.43 0.00 0.06 0.09 0.01 99.40 06:20:18 all 0.24 0.00 0.07 0.02 0.02 99.65 06:20:18 0 0.39 0.00 0.05 0.01 0.02 99.54 06:20:18 1 0.09 0.00 0.10 0.04 0.02 99.76 06:30:01 all 17.98 0.00 2.02 1.35 0.07 78.58 06:30:01 0 17.70 0.00 2.04 1.84 0.07 78.36 06:30:01 1 18.27 0.00 1.99 0.85 0.07 78.81 Average: all 2.75 0.00 0.38 0.24 0.03 96.60 Average: 0 2.72 0.00 0.38 0.30 0.03 96.57 Average: 1 2.78 0.00 0.38 0.18 0.03 96.64