---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31501 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: 5600.00 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 737 5231 4 2266 7204 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:7c:1b:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81411sec preferred_lft 81411sec inet6 fe80::f816:3eff:fe7c:1b26/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31501) 06/29/26 _x86_64_ (2 CPU) 02:19:30 LINUX RESTART (2 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.87 0.04 1.79 0.04 1.55 30.61 872.79 02:40:01 1.20 0.01 1.18 0.02 0.05 14.81 1.09 02:50:01 1.24 0.00 1.22 0.02 0.00 14.72 1.09 03:00:01 2.09 0.26 1.79 0.04 32.03 78.71 872.47 03:10:01 1.33 0.00 1.31 0.02 0.00 16.20 1.20 03:20:01 1.36 0.00 1.34 0.02 0.01 16.28 1.20 03:30:01 14.07 0.00 1.50 12.57 0.15 18.72 109765.28 03:40:01 28.17 3.03 22.16 2.98 228.13 4107.57 4364.00 Average: 6.42 0.42 4.04 1.96 32.74 537.20 14485.14 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6306280 7553128 267572 3.29 30548 1421960 531620 5.79 436112 1183132 28 02:40:01 6305020 7552432 268220 3.30 30768 1422300 531748 5.79 436496 1183692 160 02:50:01 6304572 7552516 268132 3.30 30976 1422620 531888 5.79 436580 1184220 164 03:00:01 6261020 7536404 283620 3.49 31372 1449272 531888 5.79 446204 1202192 200 03:10:01 6260292 7536236 283812 3.49 31588 1449604 531888 5.79 446332 1202740 280 03:20:01 6288576 7565188 254856 3.13 31796 1450056 531888 5.79 446428 1203272 184 03:30:01 6282432 7559616 260300 3.20 31984 1450428 532016 5.79 447152 1203796 192 03:40:01 5304500 7361584 414760 5.10 87908 2137712 665536 7.25 643032 1901412 41572 Average: 6164086 7527138 287659 3.54 38368 1525494 548559 5.97 467292 1283057 5348 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.32 0.19 0.53 0.09 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 0.67 0.05 0.10 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.07 0.07 7.45 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 1.27 0.56 3.86 0.09 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.26 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.51 0.21 0.14 0.46 0.00 0.00 0.00 0.00 03:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:40:01 ens3 82.75 54.24 325.19 13.55 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 11.14 6.93 42.17 1.79 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31501) 06/29/26 _x86_64_ (2 CPU) 02:19:30 LINUX RESTART (2 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.33 0.00 0.27 0.02 0.03 99.35 02:30:01 0 0.47 0.00 0.24 0.03 0.02 99.24 02:30:01 1 0.19 0.00 0.30 0.01 0.04 99.47 02:40:01 all 0.26 0.00 0.08 0.01 0.03 99.61 02:40:01 0 0.45 0.00 0.06 0.01 0.03 99.45 02:40:01 1 0.08 0.00 0.11 0.01 0.04 99.77 02:50:01 all 0.24 0.00 0.07 0.01 0.04 99.64 02:50:01 0 0.43 0.00 0.05 0.00 0.03 99.49 02:50:01 1 0.05 0.00 0.09 0.02 0.06 99.79 03:00:01 all 0.41 0.00 0.19 0.03 0.04 99.33 03:00:01 0 0.38 0.00 0.19 0.05 0.04 99.34 03:00:01 1 0.45 0.00 0.18 0.01 0.04 99.32 03:10:01 all 0.23 0.00 0.08 0.01 0.04 99.64 03:10:01 0 0.13 0.00 0.08 0.02 0.04 99.73 03:10:01 1 0.33 0.00 0.07 0.01 0.04 99.56 03:20:01 all 0.26 0.00 0.07 0.01 0.04 99.62 03:20:01 0 0.48 0.00 0.05 0.00 0.03 99.44 03:20:01 1 0.05 0.00 0.09 0.02 0.05 99.79 03:30:01 all 0.29 0.00 0.17 0.03 0.04 99.48 03:30:01 0 0.22 0.00 0.16 0.03 0.04 99.55 03:30:01 1 0.36 0.00 0.17 0.03 0.04 99.41 03:40:01 all 13.02 0.00 1.95 0.74 0.05 84.24 03:40:01 0 10.18 0.00 1.73 1.02 0.05 87.03 03:40:01 1 15.87 0.00 2.16 0.45 0.06 81.46 Average: all 1.88 0.00 0.36 0.11 0.04 97.62 Average: 0 1.59 0.00 0.32 0.15 0.03 97.91 Average: 1 2.17 0.00 0.40 0.07 0.04 97.32