---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12286 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 66G 16% / 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 658 9145 4 6185 14988 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:3b:e7:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84392sec preferred_lft 84392sec inet6 fe80::f816:3eff:fe3b:e7b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:65:b9:08:7a:9c 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-12286) 05/09/26 _x86_64_ (4 CPU) 17:28:08 LINUX RESTART (4 CPU) 17:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:04 11.02 2.06 8.58 0.39 126.71 2719.03 1169.77 17:50:00 4.93 0.18 4.42 0.33 5.26 1175.75 639.42 18:00:00 31.91 0.38 17.03 14.50 66.64 8555.23 260359.66 Average: 15.97 0.87 10.02 5.08 66.38 4155.66 87523.74 17:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:04 10776256 13869588 2092688 12.78 119828 3127856 2398656 13.77 571228 4658876 15504 17:50:00 9380032 12814772 3144944 19.21 132216 3431832 3456764 19.84 682448 5931900 29248 18:00:00 8365568 14307556 1643048 10.04 156388 5826188 2093688 12.02 1665520 5849740 103020 Average: 9507285 13663972 2293560 14.01 136144 4128625 2649703 15.21 973065 5480172 49257 17:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:04 lo 8.76 8.76 1.31 1.31 0.00 0.00 0.00 0.00 17:40:04 ens3 58.52 50.20 231.24 53.90 0.00 0.00 0.00 0.00 17:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:00 lo 1.67 1.67 0.28 0.28 0.00 0.00 0.00 0.00 17:50:00 ens3 36.01 33.07 27.95 103.37 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:00 lo 2431.08 2431.08 9291.24 9291.24 0.00 0.00 0.00 0.00 18:00:00 ens3 89.51 84.76 532.56 1035.95 0.00 0.00 0.00 0.00 18:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.09 815.09 3102.39 3102.39 0.00 0.00 0.00 0.00 Average: ens3 61.40 56.06 264.42 398.16 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-12286) 05/09/26 _x86_64_ (4 CPU) 17:28:08 LINUX RESTART (4 CPU) 17:30:03 CPU %user %nice %system %iowait %steal %idle 17:40:04 all 42.62 0.00 1.20 0.07 0.07 56.04 17:40:04 0 43.80 0.00 0.91 0.03 0.07 55.19 17:40:04 1 40.89 0.00 1.27 0.07 0.08 57.68 17:40:04 2 41.87 0.00 1.33 0.07 0.08 56.64 17:40:04 3 43.92 0.00 1.28 0.09 0.07 54.64 17:50:00 all 42.74 0.00 1.39 0.21 0.08 55.58 17:50:00 0 41.79 0.00 1.39 0.29 0.08 56.46 17:50:00 1 44.67 0.00 1.42 0.11 0.08 53.72 17:50:00 2 43.02 0.00 1.38 0.20 0.08 55.33 17:50:00 3 41.49 0.00 1.37 0.24 0.09 56.81 18:00:00 all 40.18 0.00 1.44 0.27 0.08 58.03 18:00:00 0 38.88 0.00 1.16 0.27 0.08 59.61 18:00:00 1 47.32 0.00 1.74 0.18 0.08 50.68 18:00:00 2 42.35 0.00 0.90 0.24 0.08 56.42 18:00:00 3 32.18 0.00 1.95 0.38 0.08 65.41 Average: all 41.85 0.00 1.34 0.18 0.08 56.55 Average: 0 41.49 0.00 1.15 0.20 0.08 57.08 Average: 1 44.29 0.00 1.48 0.12 0.08 54.03 Average: 2 42.41 0.00 1.20 0.17 0.08 56.13 Average: 3 39.19 0.00 1.53 0.24 0.08 58.96