---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36814 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 764 5188 4 2282 7177 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:4d:ac:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80444sec preferred_lft 80444sec inet6 fe80::f816:3eff:fe4d:ac2b/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-36814) 07/18/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.38 0.02 1.35 0.01 1.24 16.28 0.37 02:20:01 1.81 0.26 1.52 0.02 32.07 76.03 0.71 02:30:00 1.40 0.00 1.38 0.02 0.00 17.45 0.33 02:40:00 1.17 0.00 1.17 0.00 0.00 14.64 0.00 02:50:00 1.15 0.00 1.15 0.00 0.00 14.57 0.00 03:00:01 1.41 0.00 1.39 0.01 0.00 17.89 0.37 03:10:00 23.38 2.87 18.17 2.34 226.05 3543.75 1259.16 03:20:02 14.80 0.00 1.33 13.46 0.15 16.47 106232.17 03:30:01 1.42 0.00 1.40 0.02 0.00 18.67 5.24 Average: 5.32 0.35 3.20 1.77 28.79 414.45 11965.65 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6282504 7528944 291432 3.58 30584 1421768 527100 5.74 444028 1183184 148 02:20:01 6263792 7537852 282076 3.47 30964 1448652 528520 5.76 453996 1201380 244 02:30:00 6250540 7525104 294716 3.62 31120 1448976 527252 5.74 453320 1201860 124 02:40:00 6253436 7528496 291344 3.58 31296 1449300 527352 5.74 453524 1202352 148 02:50:00 6255508 7531096 288740 3.55 31472 1449632 527352 5.74 453796 1202868 136 03:00:01 6249384 7525636 294148 3.62 31656 1450088 554688 6.04 458156 1203380 124 03:10:00 5174940 7392008 374176 4.60 87500 2289232 650692 7.09 603228 2052808 136 03:20:02 5175848 7393460 372592 4.58 87640 2289632 650840 7.09 603436 2053320 248 03:30:01 5161320 7379428 386536 4.75 87784 2289984 652532 7.11 604720 2053816 148 Average: 5896364 7482447 319529 3.93 50002 1726363 571814 6.23 503134 1483885 162 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.56 0.04 0.18 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.03 0.48 3.26 0.04 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.46 0.07 1.08 0.03 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 0.79 0.09 0.90 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.36 0.10 0.12 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.47 0.29 0.15 0.64 0.00 0.00 0.00 0.00 03:10:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:00 ens3 64.67 42.83 325.95 11.01 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 0.98 0.15 0.12 0.03 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 0.50 0.26 0.13 0.07 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.86 4.92 36.82 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36814) 07/18/26 _x86_64_ (2 CPU) 01:58:07 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.24 0.00 0.08 0.02 0.02 99.64 02:10:00 0 0.17 0.00 0.08 0.03 0.02 99.69 02:10:00 1 0.31 0.00 0.07 0.01 0.03 99.58 02:20:01 all 0.39 0.00 0.10 0.02 0.03 99.46 02:20:01 0 0.32 0.00 0.14 0.02 0.03 99.49 02:20:01 1 0.47 0.00 0.06 0.01 0.02 99.44 02:30:00 all 0.29 0.00 0.15 0.01 0.03 99.52 02:30:00 0 0.17 0.00 0.16 0.01 0.03 99.63 02:30:00 1 0.41 0.00 0.15 0.00 0.03 99.41 02:40:00 all 0.24 0.00 0.07 0.01 0.03 99.65 02:40:00 0 0.10 0.00 0.08 0.01 0.03 99.78 02:40:00 1 0.38 0.00 0.06 0.01 0.03 99.53 02:50:00 all 0.25 0.00 0.07 0.01 0.02 99.65 02:50:00 0 0.06 0.00 0.08 0.00 0.03 99.83 02:50:00 1 0.44 0.00 0.07 0.01 0.02 99.46 03:00:01 all 0.31 0.00 0.16 0.01 0.03 99.50 03:00:01 0 0.26 0.00 0.17 0.01 0.02 99.53 03:00:01 1 0.36 0.00 0.15 0.01 0.03 99.46 03:10:00 all 12.24 0.00 1.76 0.90 0.06 85.04 03:10:00 0 11.81 0.00 1.66 0.80 0.06 85.67 03:10:00 1 12.67 0.00 1.85 1.00 0.06 84.41 03:20:02 all 0.34 0.00 0.14 0.03 0.05 99.44 03:20:02 0 0.33 0.00 0.13 0.04 0.05 99.45 03:20:02 1 0.36 0.00 0.14 0.02 0.05 99.43 03:30:01 all 0.36 0.00 0.21 0.01 0.05 99.36 03:30:01 0 0.46 0.00 0.18 0.01 0.03 99.32 03:30:01 1 0.27 0.00 0.24 0.02 0.07 99.40 Average: all 1.63 0.00 0.30 0.11 0.03 97.92 Average: 0 1.52 0.00 0.30 0.10 0.03 98.05 Average: 1 1.74 0.00 0.31 0.12 0.04 97.80