---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29189 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 11G 67G 14% / 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 654 10283 4 5051 14992 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:37:c1:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84886sec preferred_lft 84886sec inet6 fe80::f816:3eff:fe37:c10d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:3a:d3:eb:a5:c0 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-29189) 06/21/26 _x86_64_ (4 CPU) 15:26:20 LINUX RESTART (4 CPU) 15:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 32.72 2.18 15.54 15.00 339.05 3887.73 246808.58 15:50:10 30.31 0.78 25.28 4.25 26.75 4032.13 11171.70 Average: 31.50 1.47 20.47 9.56 180.89 3960.85 127476.77 15:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9636432 13415772 2540036 15.51 148588 3725700 2814188 16.15 718664 5595484 25388 15:50:10 10570236 15382232 565856 3.46 176600 4661848 1100044 6.31 990560 4300452 84 Average: 10103334 14399002 1552946 9.48 162594 4193774 1957116 11.23 854612 4947968 12736 15:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 15:40:01 ens3 87.61 68.27 396.87 19.62 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 1718.83 1718.83 1627.50 1627.50 0.00 0.00 0.00 0.00 15:50:10 ens3 113.65 98.52 410.93 149.38 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 871.18 871.18 824.28 824.28 0.00 0.00 0.00 0.00 Average: ens3 100.80 83.59 403.99 85.33 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-29189) 06/21/26 _x86_64_ (4 CPU) 15:26:20 LINUX RESTART (4 CPU) 15:30:08 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 73.18 0.00 2.37 0.08 0.10 24.28 15:40:01 0 71.89 0.00 2.42 0.05 0.10 25.54 15:40:01 1 74.19 0.00 2.51 0.12 0.09 23.08 15:40:01 2 71.84 0.00 2.31 0.07 0.10 25.68 15:40:01 3 74.81 0.00 2.23 0.06 0.09 22.81 15:50:10 all 56.81 0.00 2.48 0.08 0.09 40.54 15:50:10 0 57.38 0.00 2.54 0.08 0.09 39.92 15:50:10 1 56.50 0.00 2.43 0.06 0.09 40.92 15:50:10 2 57.59 0.00 2.78 0.07 0.09 39.47 15:50:10 3 55.76 0.00 2.18 0.12 0.09 41.85 Average: all 64.89 0.00 2.43 0.08 0.09 32.51 Average: 0 64.54 0.00 2.48 0.07 0.09 32.82 Average: 1 65.24 0.00 2.47 0.09 0.09 32.11 Average: 2 64.63 0.00 2.55 0.07 0.09 32.66 Average: 3 65.17 0.00 2.20 0.09 0.09 32.45