---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26453 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 12G 67G 15% / 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 714 9444 4 5830 14932 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:05:d3:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84439sec preferred_lft 84439sec inet6 fe80::f816:3eff:fe05:d3f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:9d:fe:15:00:9e 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-26453) 06/10/26 _x86_64_ (4 CPU) 12:38:21 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 28.05 3.74 22.66 1.66 388.81 6401.93 6833.32 13:00:02 32.78 0.05 29.33 3.40 1.36 3214.67 33048.87 13:10:01 16.65 0.30 14.19 2.16 11.79 5675.03 2202.54 Average: 25.83 1.36 22.06 2.41 134.16 5097.67 14028.86 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9442024 13286872 2668964 16.30 155508 3775716 3062604 17.58 762140 5745964 20708 13:00:02 8757672 13161900 2789756 17.04 185780 4258420 3070940 17.63 920280 6223768 216 13:10:01 9801628 15410196 535556 3.27 205976 5375508 1044376 5.99 990852 5011048 2220 Average: 9333775 13952989 1998092 12.20 182421 4469881 2392640 13.73 891091 5660260 7715 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 630.69 630.69 600.31 600.31 0.00 0.00 0.00 0.00 12:50:02 ens3 116.20 90.15 960.53 19.83 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 1598.05 1598.05 1523.28 1523.28 0.00 0.00 0.00 0.00 13:00:02 ens3 47.05 35.39 138.63 11.36 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 11.63 11.63 1.21 1.21 0.00 0.00 0.00 0.00 13:10:01 ens3 76.33 72.86 121.19 220.44 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.00 747.00 708.47 708.47 0.00 0.00 0.00 0.00 Average: ens3 79.88 66.14 407.18 83.79 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-26453) 06/10/26 _x86_64_ (4 CPU) 12:38:21 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 53.44 0.00 1.85 0.08 0.09 44.53 12:50:02 0 52.14 0.00 1.76 0.10 0.09 45.91 12:50:02 1 53.16 0.00 2.00 0.09 0.09 44.66 12:50:02 2 54.40 0.00 1.69 0.04 0.10 43.77 12:50:02 3 54.06 0.00 1.96 0.09 0.10 43.79 13:00:02 all 57.69 0.00 2.45 0.06 0.10 39.70 13:00:02 0 56.92 0.00 2.23 0.04 0.10 40.71 13:00:02 1 58.11 0.00 2.65 0.03 0.10 39.11 13:00:02 2 58.39 0.00 2.61 0.07 0.10 38.83 13:00:02 3 57.35 0.00 2.31 0.11 0.10 40.13 13:10:01 all 41.47 0.00 1.41 0.07 0.08 56.98 13:10:01 0 42.75 0.00 1.66 0.02 0.08 55.50 13:10:01 1 41.45 0.00 1.35 0.11 0.08 57.00 13:10:01 2 40.90 0.00 1.43 0.04 0.08 57.56 13:10:01 3 40.77 0.00 1.18 0.13 0.08 57.85 Average: all 50.86 0.00 1.90 0.07 0.09 47.07 Average: 0 50.59 0.00 1.88 0.05 0.09 47.38 Average: 1 50.90 0.00 2.00 0.07 0.09 46.93 Average: 2 51.23 0.00 1.91 0.05 0.09 46.72 Average: 3 50.72 0.00 1.82 0.11 0.09 47.26