---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36454 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 731 9555 4 5702 14915 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:ef:b6:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:feef:b6a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:4e:22:74:16:95 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-36454) 07/16/26 _x86_64_ (4 CPU) 15:48:38 LINUX RESTART (4 CPU) 15:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:06 27.10 3.64 22.01 1.46 187.99 5977.14 5990.47 16:10:01 34.92 0.05 31.19 3.69 1.33 3274.85 27642.54 16:20:16 20.43 0.17 17.73 2.53 12.33 5659.17 1985.43 Average: 27.41 1.26 23.59 2.56 65.97 4972.21 11799.52 15:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:06 9762044 13541660 2415204 14.75 152824 3713016 3022680 17.35 693944 5498380 89376 16:10:01 8873432 13146632 2805056 17.13 180148 4136600 3061048 17.57 851136 6173176 20836 16:20:16 9868552 15348548 597692 3.65 201420 5253200 1096220 6.29 933088 4998540 11884 Average: 9501343 14012280 1939317 11.84 178131 4367605 2393316 13.74 826056 5556699 40699 15:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:06 lo 557.45 557.45 530.81 530.81 0.00 0.00 0.00 0.00 16:00:06 ens3 112.78 84.22 925.61 18.07 0.00 0.00 0.00 0.00 16:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1692.87 1692.87 1613.96 1613.96 0.00 0.00 0.00 0.00 16:10:01 ens3 48.98 37.23 140.43 11.36 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:16 lo 11.63 11.63 1.20 1.20 0.00 0.00 0.00 0.00 16:20:16 ens3 75.14 71.31 122.49 222.91 0.00 0.00 0.00 0.00 16:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.13 747.13 708.71 708.71 0.00 0.00 0.00 0.00 Average: ens3 78.74 64.22 390.34 85.96 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-36454) 07/16/26 _x86_64_ (4 CPU) 15:48:38 LINUX RESTART (4 CPU) 15:50:20 CPU %user %nice %system %iowait %steal %idle 16:00:06 all 53.82 0.00 1.89 0.10 0.12 44.07 16:00:06 0 55.38 0.00 1.98 0.07 0.11 42.47 16:00:06 1 53.54 0.00 1.54 0.12 0.14 44.66 16:00:06 2 51.00 0.00 2.09 0.16 0.11 46.63 16:00:06 3 55.37 0.00 1.95 0.07 0.11 42.50 16:10:01 all 61.96 0.00 2.69 0.10 0.12 35.13 16:10:01 0 61.22 0.00 2.46 0.08 0.12 36.12 16:10:01 1 62.13 0.00 2.85 0.08 0.12 34.81 16:10:01 2 62.47 0.00 2.90 0.12 0.12 34.39 16:10:01 3 62.04 0.00 2.56 0.10 0.12 35.19 16:20:16 all 43.68 0.00 1.57 0.21 0.09 54.44 16:20:16 0 46.63 0.00 1.90 0.27 0.10 51.10 16:20:16 1 43.24 0.00 1.28 0.29 0.09 55.10 16:20:16 2 42.12 0.00 1.78 0.13 0.09 55.88 16:20:16 3 42.75 0.00 1.32 0.16 0.10 55.68 Average: all 53.04 0.00 2.05 0.14 0.11 44.66 Average: 0 54.31 0.00 2.11 0.14 0.11 43.32 Average: 1 52.85 0.00 1.89 0.17 0.12 44.98 Average: 2 51.75 0.00 2.25 0.14 0.11 45.75 Average: 3 53.25 0.00 1.93 0.11 0.11 44.60