---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6730 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 9.9G 68G 13% / 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 650 10980 4 4358 14996 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:8b:a0:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84836sec preferred_lft 84836sec inet6 fe80::f816:3eff:fe8b:a0e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:e1:3f:dd:3c:a0 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-4c-4g-6730) 03/21/26 _x86_64_ (4 CPU) 21:55:47 LINUX RESTART (4 CPU) 22:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:30 52.94 2.48 41.91 8.55 139.25 4777.44 30177.29 22:20:22 24.06 0.32 19.89 3.86 12.05 2825.08 10347.21 Average: 38.83 1.42 31.15 6.26 77.10 3823.53 20488.45 22:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:30 10392732 13902892 2053740 12.54 175256 3438316 2222608 12.76 645084 4930808 38960 22:20:22 11305624 15405832 547008 3.34 206604 3955432 1094712 6.28 819748 3789152 4 Average: 10849178 14654362 1300374 7.94 190930 3696874 1658660 9.52 732416 4359980 19482 22:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:30 lo 4295.42 4295.42 4095.02 4095.02 0.00 0.00 0.00 0.00 22:10:30 ens3 146.29 103.20 671.73 30.16 0.00 0.00 0.00 0.00 22:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:22 lo 1711.22 1711.22 1616.89 1616.89 0.00 0.00 0.00 0.00 22:20:22 ens3 114.05 106.56 123.14 166.58 0.00 0.00 0.00 0.00 22:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3032.80 3032.80 2884.22 2884.22 0.00 0.00 0.00 0.00 Average: ens3 130.54 104.84 403.69 96.81 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-4c-4g-6730) 03/21/26 _x86_64_ (4 CPU) 21:55:47 LINUX RESTART (4 CPU) 22:00:11 CPU %user %nice %system %iowait %steal %idle 22:10:30 all 66.18 0.00 4.14 0.19 0.12 29.37 22:10:30 0 65.56 0.00 3.82 0.09 0.12 30.40 22:10:30 1 65.78 0.00 4.54 0.28 0.12 29.27 22:10:30 2 66.53 0.00 4.06 0.17 0.12 29.12 22:10:30 3 66.84 0.00 4.15 0.20 0.12 28.68 22:20:22 all 34.57 0.00 1.92 0.12 0.09 63.30 22:20:22 0 31.64 0.00 1.76 0.06 0.09 66.44 22:20:22 1 37.49 0.00 2.17 0.06 0.09 60.18 22:20:22 2 33.78 0.00 2.00 0.05 0.09 64.07 22:20:22 3 35.37 0.00 1.74 0.31 0.09 62.49 Average: all 50.71 0.00 3.05 0.15 0.11 45.98 Average: 0 48.97 0.00 2.82 0.08 0.11 48.02 Average: 1 51.93 0.00 3.38 0.17 0.11 44.41 Average: 2 50.47 0.00 3.05 0.11 0.11 46.25 Average: 3 51.45 0.00 2.97 0.26 0.11 45.22