---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15454 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 13G 66G 16% / 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 669 8655 4 6664 14977 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:41:3d:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83880sec preferred_lft 83880sec inet6 fe80::f816:3eff:fe41:3da8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:53:dd:20:9d:65 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-15454) 03/23/26 _x86_64_ (4 CPU) 19:02:35 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:06 24.94 2.50 20.06 2.37 148.11 3233.11 6019.92 19:30:01 25.59 0.01 22.91 2.66 0.15 2203.70 11827.49 19:40:01 22.19 0.02 20.31 1.86 0.36 5505.52 46153.86 Average: 24.23 0.85 21.09 2.30 49.95 3650.93 21324.02 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:06 9984304 13510016 2448356 14.95 140420 3514424 2528112 14.51 709088 5274980 19384 19:30:01 8302284 12443424 3510892 21.44 159880 4067012 3465196 19.89 867104 6773124 212456 19:40:01 6707496 12994304 2952980 18.04 180868 6119140 2878120 16.52 1574516 7586184 931792 Average: 8331361 12982581 2970743 18.14 160389 4566859 2957143 16.97 1050236 6544763 387877 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:06 lo 1523.40 1523.40 1446.87 1446.87 0.00 0.00 0.00 0.00 19:20:06 ens3 114.21 80.83 599.98 15.43 0.00 0.00 0.00 0.00 19:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1220.97 1220.97 1163.40 1163.40 0.00 0.00 0.00 0.00 19:30:01 ens3 45.27 34.94 44.50 11.49 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 lo 847.36 847.36 7416.96 7416.96 0.00 0.00 0.00 0.00 19:40:01 ens3 40.38 32.07 106.50 9.40 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1198.02 1198.02 3344.37 3344.37 0.00 0.00 0.00 0.00 Average: ens3 66.81 49.41 251.89 12.12 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-15454) 03/23/26 _x86_64_ (4 CPU) 19:02:35 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:06 all 49.07 0.00 2.02 0.83 0.09 47.99 19:20:06 0 47.87 0.00 1.86 0.96 0.09 49.23 19:20:06 1 48.52 0.00 2.13 0.52 0.09 48.74 19:20:06 2 50.28 0.00 1.86 0.65 0.08 47.13 19:20:06 3 49.62 0.00 2.23 1.21 0.09 46.85 19:30:01 all 67.75 0.00 2.31 0.08 0.10 29.76 19:30:01 0 67.29 0.00 2.07 0.10 0.10 30.44 19:30:01 1 66.68 0.00 2.14 0.06 0.10 31.02 19:30:01 2 70.06 0.00 2.58 0.06 0.10 27.20 19:30:01 3 66.99 0.00 2.46 0.08 0.10 30.37 19:40:01 all 45.54 0.00 1.76 0.20 0.08 52.41 19:40:01 0 40.79 0.00 1.87 0.53 0.09 56.72 19:40:01 1 52.97 0.00 1.87 0.02 0.09 45.05 19:40:01 2 43.95 0.00 1.56 0.20 0.08 54.21 19:40:01 3 44.44 0.00 1.75 0.06 0.08 53.67 Average: all 54.06 0.00 2.03 0.37 0.09 43.44 Average: 0 51.92 0.00 1.93 0.53 0.09 45.52 Average: 1 56.00 0.00 2.05 0.20 0.09 41.66 Average: 2 54.70 0.00 2.00 0.31 0.09 42.91 Average: 3 53.62 0.00 2.15 0.45 0.09 43.68