---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23694 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: 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 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 690 10435 4 4864 14956 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:73:2e:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84372sec preferred_lft 84372sec inet6 fe80::f816:3eff:fe73:2ed8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:0e:f6:c7:b3:aa 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-23694) 06/04/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:16 14.40 2.79 11.13 0.48 159.78 2970.07 835.88 15:00:21 10.70 0.44 9.25 1.01 15.07 2432.62 2919.79 15:10:01 26.89 0.78 22.14 3.98 26.76 3855.11 3608.42 Average: 17.18 1.35 14.04 1.79 68.29 3074.34 2429.34 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:16 11292904 14258256 1705280 10.42 115780 3007676 2373356 13.62 478408 4256720 37936 15:00:21 9904100 13586716 2370244 14.48 149164 3621652 2878936 16.53 657220 5397900 31184 15:10:01 10745216 15365836 584808 3.57 171836 4475920 1098868 6.31 906636 4215920 232 Average: 10647407 14403603 1553444 9.49 145593 3701749 2117053 12.15 680755 4623513 23117 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:16 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 14:50:16 ens3 68.02 55.68 744.49 10.09 0.00 0.00 0.00 0.00 14:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:21 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 15:00:21 ens3 66.75 50.89 140.48 16.74 0.00 0.00 0.00 0.00 15:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1672.58 1672.58 1585.00 1585.00 0.00 0.00 0.00 0.00 15:10:01 ens3 93.43 79.80 421.06 117.51 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 539.18 539.18 510.43 510.43 0.00 0.00 0.00 0.00 Average: ens3 75.78 61.84 437.25 46.92 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-23694) 06/04/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:16 all 17.98 0.00 0.75 0.08 0.04 81.15 14:50:16 0 17.95 0.00 0.80 0.15 0.04 81.06 14:50:16 1 18.09 0.00 0.81 0.07 0.04 80.98 14:50:16 2 19.02 0.00 0.77 0.05 0.04 80.11 14:50:16 3 16.87 0.00 0.61 0.04 0.04 82.44 15:00:21 all 73.85 0.00 2.49 0.03 0.09 23.54 15:00:21 0 74.41 0.00 2.23 0.02 0.09 23.25 15:00:21 1 74.76 0.00 2.75 0.02 0.09 22.37 15:00:21 2 74.78 0.00 2.85 0.03 0.09 22.25 15:00:21 3 71.47 0.00 2.13 0.03 0.09 26.28 15:10:01 all 49.89 0.00 2.45 1.02 0.07 46.57 15:10:01 0 46.65 0.00 2.62 2.76 0.07 47.89 15:10:01 1 50.58 0.00 2.58 1.09 0.07 45.67 15:10:01 2 50.28 0.00 2.14 0.20 0.07 47.30 15:10:01 3 52.03 0.00 2.45 0.03 0.07 45.42 Average: all 47.01 0.00 1.88 0.36 0.07 50.68 Average: 0 46.16 0.00 1.87 0.95 0.07 50.96 Average: 1 47.58 0.00 2.03 0.38 0.07 49.94 Average: 2 47.81 0.00 1.91 0.09 0.07 50.11 Average: 3 46.48 0.00 1.71 0.03 0.07 51.70