---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7586 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 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 725 9440 4 5824 14921 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:20:83:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83961sec preferred_lft 83961sec inet6 fe80::f816:3eff:fe20:83a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:b1:9b:78:81:94 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-7586) 04/24/26 _x86_64_ (4 CPU) 20:25:20 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 20.03 2.39 16.29 1.35 140.50 3872.36 6200.04 20:50:03 61.46 0.33 50.39 10.74 9.95 4401.82 13539.61 21:00:09 39.00 0.29 32.28 6.43 11.61 5046.30 22072.45 Average: 40.09 1.01 32.93 6.16 54.03 4442.20 13964.29 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 10017176 13621324 2335736 14.27 160156 3548032 2638712 15.15 653292 5279840 101424 20:50:03 8738216 13220576 2728740 16.67 202792 4311288 3132824 17.98 847096 6304716 90708 21:00:09 9790632 15388260 556316 3.40 238696 5327492 1097832 6.30 1234080 4773976 8 Average: 9515341 14076720 1873597 11.44 200548 4395604 2289789 13.14 911489 5452844 64047 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 20:40:09 ens3 109.27 83.69 602.25 21.50 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5058.13 5058.13 4822.96 4822.96 0.00 0.00 0.00 0.00 20:50:03 ens3 88.22 66.47 324.17 20.20 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 3076.07 3076.07 2927.55 2927.55 0.00 0.00 0.00 0.00 21:00:09 ens3 84.94 73.01 104.25 87.38 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2705.03 2705.03 2577.03 2577.03 0.00 0.00 0.00 0.00 Average: ens3 94.13 74.41 342.87 43.24 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-7586) 04/24/26 _x86_64_ (4 CPU) 20:25:20 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 65.92 0.00 2.35 0.25 0.11 31.37 20:40:09 0 65.33 0.00 2.46 0.15 0.11 31.95 20:40:09 1 66.04 0.00 2.42 0.15 0.11 31.28 20:40:09 2 67.85 0.00 2.48 0.60 0.11 28.97 20:40:09 3 64.44 0.00 2.06 0.11 0.10 33.29 20:50:03 all 63.82 0.00 4.07 0.39 0.10 31.63 20:50:03 0 62.93 0.00 3.67 0.42 0.10 32.88 20:50:03 1 63.67 0.00 4.03 0.49 0.10 31.71 20:50:03 2 66.07 0.00 4.68 0.35 0.10 28.79 20:50:03 3 62.60 0.00 3.91 0.28 0.10 33.12 21:00:09 all 52.99 0.00 3.10 0.51 0.09 43.30 21:00:09 0 50.53 0.00 2.87 0.33 0.09 46.17 21:00:09 1 54.41 0.00 3.23 0.82 0.09 41.44 21:00:09 2 55.72 0.00 3.50 0.58 0.09 40.10 21:00:09 3 51.31 0.00 2.79 0.31 0.09 45.50 Average: all 60.87 0.00 3.17 0.38 0.10 35.47 Average: 0 59.55 0.00 3.00 0.30 0.10 37.05 Average: 1 61.35 0.00 3.22 0.49 0.10 34.84 Average: 2 63.18 0.00 3.55 0.51 0.10 32.66 Average: 3 59.41 0.00 2.91 0.23 0.09 37.34