---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27159 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 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 674 10807 4 4508 14972 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:4c:97:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84144sec preferred_lft 84144sec inet6 fe80::f816:3eff:fe4c:971f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:27:35:f2:1b:8c 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-27159) 06/13/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:11 10.57 2.55 7.57 0.45 141.22 1894.13 699.04 21:20:12 46.59 0.01 38.12 8.46 0.61 3263.36 7412.69 21:30:01 36.10 0.31 17.51 18.28 12.07 2574.29 243192.75 Average: 31.06 0.96 21.09 9.00 51.55 2577.47 82690.11 21:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:11 10899204 14111688 1851052 11.31 120820 3250420 2229672 12.80 528956 4606252 149248 21:20:12 9869900 13662208 2294240 14.01 173936 3707388 2487344 14.28 694812 5388816 128064 21:30:01 11149684 15403516 549164 3.35 202796 4104684 1069656 6.14 857556 3881308 2824 Average: 10639596 14392471 1564819 9.56 165851 3687497 1928891 11.07 693775 4625459 93379 21:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:11 lo 280.52 280.52 267.07 267.07 0.00 0.00 0.00 0.00 21:10:11 ens3 74.32 57.09 810.69 9.63 0.00 0.00 0.00 0.00 21:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:12 lo 4850.74 4850.74 4624.89 4624.89 0.00 0.00 0.00 0.00 21:20:12 ens3 89.71 69.96 26.74 24.70 0.00 0.00 0.00 0.00 21:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 1418.41 1418.41 1332.95 1332.95 0.00 0.00 0.00 0.00 21:30:01 ens3 113.51 113.56 126.97 183.22 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2189.02 2189.02 2080.59 2080.59 0.00 0.00 0.00 0.00 Average: ens3 92.37 79.98 322.68 71.77 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-27159) 06/13/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:10 CPU %user %nice %system %iowait %steal %idle 21:10:11 all 11.33 0.00 0.59 0.04 0.03 88.01 21:10:11 0 11.45 0.00 0.65 0.05 0.03 87.83 21:10:11 1 11.44 0.00 0.61 0.04 0.03 87.88 21:10:11 2 10.93 0.00 0.54 0.04 0.03 88.45 21:10:11 3 11.49 0.00 0.56 0.03 0.03 87.88 21:20:12 all 66.23 0.00 4.24 0.09 0.11 29.34 21:20:12 0 66.26 0.00 4.15 0.07 0.11 29.41 21:20:12 1 64.73 0.00 4.03 0.06 0.11 31.08 21:20:12 2 67.22 0.00 4.42 0.13 0.11 28.12 21:20:12 3 66.70 0.00 4.36 0.09 0.11 28.74 21:30:01 all 31.20 0.00 1.82 0.08 0.07 66.83 21:30:01 0 27.25 0.00 1.77 0.03 0.06 70.89 21:30:01 1 34.41 0.00 1.87 0.02 0.07 63.63 21:30:01 2 32.06 0.00 2.01 0.18 0.07 65.68 21:30:01 3 31.08 0.00 1.62 0.10 0.07 67.13 Average: all 36.24 0.00 2.22 0.07 0.07 61.41 Average: 0 35.01 0.00 2.19 0.05 0.07 62.68 Average: 1 36.83 0.00 2.17 0.04 0.07 60.90 Average: 2 36.70 0.00 2.32 0.12 0.07 60.79 Average: 3 36.41 0.00 2.18 0.08 0.07 61.26