---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6306 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 791 9322 4 5875 14855 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:f4:92:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83930sec preferred_lft 83930sec inet6 fe80::f816:3eff:fef4:928d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:d3:c0:7c:a3:49 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-6306) 04/21/26 _x86_64_ (4 CPU) 20:25:01 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 16.77 2.40 13.05 1.31 140.06 3671.83 2410.03 20:50:13 69.75 0.34 45.29 24.12 9.88 4471.43 241896.84 21:00:13 38.87 0.29 32.26 6.31 11.72 5113.83 11408.41 Average: 42.01 1.01 30.32 10.68 53.50 4420.16 86389.17 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 10049312 13545328 2412916 14.74 154948 3453052 2731888 15.68 625828 5300956 58880 20:50:13 8813916 13289892 2660116 16.25 204412 4303984 2812280 16.14 851296 6209528 85740 21:00:13 9752560 15345768 599180 3.66 239380 5322572 1104604 6.34 1234516 4822880 128 Average: 9538596 14060329 1890737 11.55 199580 4359869 2216257 12.72 903880 5444455 48249 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1.29 1.29 0.14 0.14 0.00 0.00 0.00 0.00 20:40:01 ens3 124.50 88.81 604.60 21.81 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:13 lo 5109.27 5109.27 4872.35 4872.35 0.00 0.00 0.00 0.00 20:50:13 ens3 101.85 74.68 316.24 20.93 0.00 0.00 0.00 0.00 20:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:13 lo 2982.55 2982.55 2837.62 2837.62 0.00 0.00 0.00 0.00 21:00:13 ens3 97.09 77.82 105.82 84.19 0.00 0.00 0.00 0.00 21:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2716.89 2716.89 2588.34 2588.34 0.00 0.00 0.00 0.00 Average: ens3 107.76 80.39 341.77 42.18 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-6306) 04/21/26 _x86_64_ (4 CPU) 20:25:01 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 61.91 0.00 2.23 0.09 0.09 35.69 20:40:01 0 63.19 0.00 2.28 0.05 0.09 34.39 20:40:01 1 60.62 0.00 1.94 0.11 0.09 37.24 20:40:01 2 60.45 0.00 2.15 0.16 0.09 37.15 20:40:01 3 63.36 0.00 2.54 0.04 0.09 33.97 20:50:13 all 62.61 0.00 4.05 0.15 0.09 33.10 20:50:13 0 61.81 0.00 3.75 0.25 0.09 34.11 20:50:13 1 65.04 0.00 4.32 0.10 0.09 30.45 20:50:13 2 61.33 0.00 3.92 0.13 0.10 34.53 20:50:13 3 62.26 0.00 4.22 0.11 0.09 33.33 21:00:13 all 52.50 0.00 3.08 0.30 0.08 44.04 21:00:13 0 49.38 0.00 3.13 0.46 0.08 46.95 21:00:13 1 52.78 0.00 3.31 0.08 0.08 43.74 21:00:13 2 52.98 0.00 2.81 0.27 0.08 43.86 21:00:13 3 54.85 0.00 3.08 0.36 0.09 41.62 Average: all 59.03 0.00 3.13 0.18 0.09 37.58 Average: 0 58.15 0.00 3.06 0.25 0.09 38.46 Average: 1 59.52 0.00 3.20 0.10 0.09 37.10 Average: 2 58.28 0.00 2.96 0.19 0.09 38.48 Average: 3 60.17 0.00 3.29 0.17 0.09 36.29