---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11453 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 11G 68G 14% / 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 676 10531 4 4781 14970 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:f2:d4:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84110sec preferred_lft 84110sec inet6 fe80::f816:3eff:fef2:d4cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:1d:56:db:a9:d5 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-11453) 05/06/26 _x86_64_ (4 CPU) 14:23:10 LINUX RESTART (4 CPU) 14:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 31.46 2.30 28.55 0.60 135.77 2443.37 431.63 14:50:04 15.30 2.24 11.98 1.08 136.96 3362.48 2361.30 15:00:04 28.64 0.79 23.87 3.99 26.95 4197.44 9700.79 Average: 25.11 1.78 21.44 1.89 99.89 3335.64 4167.12 14:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 12647824 15219732 749960 4.58 107884 2648528 1410244 8.09 369884 3024320 181880 14:50:04 10083740 13617212 2340808 14.30 146980 3485408 2707540 15.54 640776 5241588 109380 15:00:04 10848636 15384092 566732 3.46 172388 4396436 1092692 6.27 906512 4117492 252 Average: 11193400 14740345 1219167 7.45 142417 3510124 1736825 9.97 639057 4127800 97171 14:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 14:40:01 ens3 73.46 57.33 659.72 11.20 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:04 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 14:50:04 ens3 84.21 69.03 361.49 19.92 0.00 0.00 0.00 0.00 14:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 1585.06 1585.06 1499.94 1499.94 0.00 0.00 0.00 0.00 15:00:04 ens3 106.79 96.16 419.25 163.09 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 528.92 528.92 500.04 500.04 0.00 0.00 0.00 0.00 Average: ens3 88.17 74.19 479.76 64.74 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-11453) 05/06/26 _x86_64_ (4 CPU) 14:23:10 LINUX RESTART (4 CPU) 14:30:04 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 4.17 0.00 0.43 0.23 0.03 95.14 14:40:01 0 3.18 0.00 0.31 0.19 0.02 96.30 14:40:01 1 5.05 0.00 0.50 0.20 0.03 94.22 14:40:01 2 5.75 0.00 0.53 0.37 0.03 93.32 14:40:01 3 2.71 0.00 0.38 0.16 0.03 96.72 14:50:04 all 74.26 0.00 2.29 0.04 0.10 23.31 14:50:04 0 73.82 0.00 2.09 0.02 0.10 23.97 14:50:04 1 74.11 0.00 2.26 0.04 0.10 23.48 14:50:04 2 74.89 0.00 2.18 0.05 0.10 22.77 14:50:04 3 74.20 0.00 2.63 0.04 0.10 23.03 15:00:04 all 53.18 0.00 2.27 0.08 0.09 44.38 15:00:04 0 52.61 0.00 2.24 0.08 0.09 44.98 15:00:04 1 53.66 0.00 1.97 0.10 0.09 44.17 15:00:04 2 53.81 0.00 2.30 0.07 0.09 43.73 15:00:04 3 52.64 0.00 2.58 0.08 0.08 44.62 Average: all 43.95 0.00 1.67 0.12 0.07 54.19 Average: 0 43.28 0.00 1.55 0.10 0.07 55.01 Average: 1 44.39 0.00 1.58 0.11 0.07 53.84 Average: 2 44.89 0.00 1.67 0.16 0.07 53.20 Average: 3 43.26 0.00 1.86 0.09 0.07 54.72