---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5335 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 16G 62G 21% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 651 6487 3 8849 14994 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:17:75:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.177/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85012sec preferred_lft 85012sec inet6 fe80::f816:3eff:fe17:751b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:45:55:8b:86:c5 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-5335) 04/24/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 38.12 2.48 34.30 1.35 154.56 14331.22 2750.57 05:40:01 239.71 0.95 229.55 9.21 26.35 14868.63 97189.27 Average: 139.61 1.71 132.60 5.31 90.01 14601.78 50295.44 05:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7552112 13536476 2411896 14.73 197232 5784956 2616300 15.02 1123192 7163608 180588 05:40:01 6659644 15366712 558352 3.41 330848 8156024 1070456 6.14 2068832 6863708 10808 Average: 7105878 14451594 1485124 9.07 264040 6970490 1843378 10.58 1596012 7013658 95698 05:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.71 0.71 0.20 0.20 0.00 0.00 0.00 0.00 05:30:01 ens3 194.62 148.88 1602.84 30.32 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 17.63 17.63 2.59 2.59 0.00 0.00 0.00 0.00 05:40:01 ens3 115.29 119.83 333.41 664.71 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.23 9.23 1.41 1.41 0.00 0.00 0.00 0.00 Average: ens3 154.69 134.25 963.75 349.70 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-5335) 04/24/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:09 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 35.97 0.00 2.69 0.43 0.09 60.82 05:30:01 0 36.20 0.00 2.56 0.25 0.08 60.90 05:30:01 1 35.79 0.00 2.70 0.33 0.08 61.10 05:30:01 2 33.74 0.00 2.83 0.51 0.09 62.83 05:30:01 3 38.14 0.00 2.67 0.64 0.09 58.45 05:40:01 all 38.11 0.00 3.19 0.37 0.10 58.23 05:40:01 0 40.53 0.00 2.86 0.24 0.10 56.27 05:40:01 1 33.56 0.00 3.27 0.53 0.10 62.54 05:40:01 2 40.61 0.00 3.24 0.35 0.10 55.70 05:40:01 3 37.77 0.00 3.40 0.34 0.10 58.39 Average: all 37.05 0.00 2.94 0.40 0.09 59.52 Average: 0 38.38 0.00 2.71 0.25 0.09 58.57 Average: 1 34.67 0.00 2.99 0.43 0.09 61.83 Average: 2 37.19 0.00 3.04 0.43 0.09 59.24 Average: 3 37.95 0.00 3.04 0.49 0.10 58.42