---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4053 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 666 8674 4 6647 14979 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:6b:c7:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83776sec preferred_lft 83776sec inet6 fe80::f816:3eff:fe6b:c7b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:d6:44:fc:d0:22 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-4053) 04/17/26 _x86_64_ (4 CPU) 18:45:00 LINUX RESTART (4 CPU) 18:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:00 19.58 2.99 15.16 1.43 162.89 2971.32 2957.40 19:10:01 39.00 11.86 24.18 2.95 131.07 2339.33 14632.41 19:20:01 23.71 0.04 21.43 2.24 0.75 3932.71 19500.88 Average: 27.44 4.97 20.26 2.21 98.22 3080.77 12370.10 18:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:00 9763992 13057656 2903812 17.74 124544 3313028 2992404 17.18 604536 5635932 61572 19:10:01 9319328 13145496 2810504 17.17 151428 3766948 2979204 17.10 770536 5867812 99344 19:20:01 5875672 10608512 5343536 32.64 165972 4618896 5262076 30.20 1052288 8950280 29824 Average: 8319664 12270555 3685951 22.51 147315 3899624 3744561 21.49 809120 6818008 63580 18:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:00 lo 685.73 685.73 651.84 651.84 0.00 0.00 0.00 0.00 19:00:00 ens3 90.37 68.62 948.41 11.76 0.00 0.00 0.00 0.00 19:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 lo 1507.37 1507.37 1431.20 1431.20 0.00 0.00 0.00 0.00 19:10:01 ens3 23.27 20.78 11.15 7.08 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 933.55 933.55 2869.42 2869.42 0.00 0.00 0.00 0.00 19:20:01 ens3 27.14 22.55 44.09 7.25 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1042.67 1042.67 1651.26 1651.26 0.00 0.00 0.00 0.00 Average: ens3 46.89 37.29 334.02 8.69 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-4053) 04/17/26 _x86_64_ (4 CPU) 18:45:00 LINUX RESTART (4 CPU) 18:50:01 CPU %user %nice %system %iowait %steal %idle 19:00:00 all 35.69 0.00 1.44 0.17 0.08 62.61 19:00:00 0 34.85 0.00 1.29 0.17 0.09 63.60 19:00:00 1 36.09 0.00 1.51 0.09 0.08 62.22 19:00:00 2 35.64 0.00 1.48 0.23 0.08 62.57 19:00:00 3 36.20 0.00 1.49 0.18 0.09 62.04 19:10:01 all 66.14 0.08 2.44 0.17 0.13 31.06 19:10:01 0 67.12 0.11 2.45 0.13 0.12 30.06 19:10:01 1 63.80 0.07 2.09 0.12 0.13 33.80 19:10:01 2 66.80 0.13 2.75 0.21 0.12 29.99 19:10:01 3 66.82 0.00 2.45 0.21 0.13 30.40 19:20:01 all 53.22 0.00 2.13 0.20 0.12 44.33 19:20:01 0 53.86 0.00 2.14 0.19 0.12 43.70 19:20:01 1 57.35 0.00 2.28 0.19 0.12 40.06 19:20:01 2 51.34 0.00 2.28 0.26 0.12 46.00 19:20:01 3 50.33 0.00 1.82 0.17 0.12 47.58 Average: all 51.69 0.03 2.00 0.18 0.11 45.99 Average: 0 51.96 0.04 1.96 0.16 0.11 45.77 Average: 1 52.42 0.02 1.96 0.13 0.11 45.36 Average: 2 51.27 0.04 2.17 0.23 0.11 46.18 Average: 3 51.12 0.00 1.92 0.19 0.11 46.67