---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28936 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 10G 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 708 10809 4 4471 14938 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:02:bd:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84895sec preferred_lft 84895sec inet6 fe80::f816:3eff:fe02:bd71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:77:28:4a:6d:fa 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28936) 06/20/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:04 52.27 2.66 41.42 8.19 146.99 4886.02 33620.02 22:20:07 29.04 0.33 23.79 4.93 14.39 3121.95 8828.29 Average: 40.60 1.49 32.56 6.55 80.35 3999.39 21159.49 22:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:04 10241840 13844144 2112936 12.90 168848 3533468 2296280 13.18 637240 5092612 82284 22:20:07 11114940 15332848 619604 3.78 204988 4065596 1145584 6.58 822664 3963040 11148 Average: 10678390 14588496 1366270 8.34 186918 3799532 1720932 9.88 729952 4527826 46716 22:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:04 lo 4158.60 4158.60 3965.55 3965.55 0.00 0.00 0.00 0.00 22:10:04 ens3 183.52 139.03 876.86 33.93 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:07 lo 1966.16 1966.16 1856.00 1856.00 0.00 0.00 0.00 0.00 22:20:07 ens3 129.23 123.75 128.27 181.85 0.00 0.00 0.00 0.00 22:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3056.66 3056.66 2905.27 2905.27 0.00 0.00 0.00 0.00 Average: ens3 156.24 131.35 500.61 108.28 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-28936) 06/20/26 _x86_64_ (4 CPU) 21:55:38 LINUX RESTART (4 CPU) 22:00:07 CPU %user %nice %system %iowait %steal %idle 22:10:04 all 63.87 0.00 3.85 0.14 0.10 32.03 22:10:04 0 63.80 0.00 4.07 0.11 0.10 31.92 22:10:04 1 63.45 0.00 3.87 0.29 0.10 32.28 22:10:04 2 63.31 0.00 3.79 0.10 0.10 32.71 22:10:04 3 64.92 0.00 3.68 0.07 0.10 31.23 22:20:07 all 36.66 0.00 2.13 0.10 0.07 61.04 22:20:07 0 33.54 0.00 1.95 0.05 0.08 64.38 22:20:07 1 35.94 0.00 2.22 0.10 0.07 61.66 22:20:07 2 39.85 0.00 2.11 0.05 0.08 57.91 22:20:07 3 37.34 0.00 2.21 0.19 0.07 60.19 Average: all 50.17 0.00 2.98 0.12 0.09 46.64 Average: 0 48.56 0.00 3.00 0.08 0.09 48.27 Average: 1 49.60 0.00 3.04 0.20 0.09 47.08 Average: 2 51.50 0.00 2.95 0.07 0.09 45.39 Average: 3 51.04 0.00 2.94 0.13 0.09 45.80