---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54273 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 711 9676 4 5601 14935 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:d4:06:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83743sec preferred_lft 83743sec inet6 fe80::f816:3eff:fed4:6aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:b2:ca:05:57:4a 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54273) 03/30/26 _x86_64_ (4 CPU) 14:49:19 LINUX RESTART (4 CPU) 14:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:07 51.68 4.41 45.28 1.99 260.20 6446.70 6731.21 15:10:07 32.35 0.05 28.84 3.46 1.35 3196.57 21186.73 15:20:35 18.00 0.29 15.65 2.06 11.26 5437.61 1779.85 15:30:09 16.69 0.01 1.25 15.44 0.18 19.03 242883.29 Average: 29.75 1.20 22.97 5.58 68.89 3843.44 65264.78 14:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:07 9897372 13501348 2455908 15.00 152508 3548584 2683296 15.40 694524 5363312 14236 15:10:07 8640092 12806360 3146628 19.22 182220 4034924 3334684 19.14 852392 6407188 15548 15:20:35 10008152 15376380 571368 3.49 202968 5148404 1098036 6.30 920692 4899880 0 15:30:09 9987260 15360680 586728 3.58 203456 5153100 1098068 6.30 926120 4899428 80 Average: 9633219 14261192 1690158 10.32 185288 4471253 2053521 11.79 848432 5392452 7466 14:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:07 lo 596.44 596.44 567.99 567.99 0.00 0.00 0.00 0.00 15:00:07 ens3 127.81 97.45 985.39 20.67 0.00 0.00 0.00 0.00 15:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:07 lo 1561.21 1561.21 1487.84 1487.84 0.00 0.00 0.00 0.00 15:10:07 ens3 42.23 32.87 137.85 11.03 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:35 lo 2.62 2.62 0.46 0.46 0.00 0.00 0.00 0.00 15:20:35 ens3 38.32 31.87 100.63 42.83 0.00 0.00 0.00 0.00 15:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:09 lo 7.40 7.40 1.38 1.38 0.00 0.00 0.00 0.00 15:30:09 ens3 22.63 25.69 8.98 150.59 0.00 0.00 0.00 0.00 15:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 541.77 541.77 514.32 514.32 0.00 0.00 0.00 0.00 Average: ens3 58.11 47.18 311.05 54.98 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-54273) 03/30/26 _x86_64_ (4 CPU) 14:49:19 LINUX RESTART (4 CPU) 14:50:01 CPU %user %nice %system %iowait %steal %idle 15:00:07 all 55.47 0.00 2.05 0.40 0.10 41.98 15:00:07 0 55.66 0.00 2.15 0.07 0.10 42.02 15:00:07 1 54.28 0.00 2.02 0.51 0.09 43.09 15:00:07 2 55.31 0.00 2.25 0.21 0.10 42.12 15:00:07 3 56.63 0.00 1.80 0.80 0.10 40.68 15:10:07 all 60.10 0.00 2.56 0.06 0.11 37.17 15:10:07 0 60.04 0.00 2.44 0.06 0.11 37.35 15:10:07 1 60.09 0.00 2.59 0.07 0.11 37.14 15:10:07 2 61.79 0.00 2.71 0.05 0.11 35.34 15:10:07 3 58.48 0.00 2.50 0.07 0.11 38.84 15:20:35 all 38.40 0.00 1.29 0.11 0.07 60.13 15:20:35 0 37.05 0.00 1.35 0.06 0.07 61.48 15:20:35 1 38.83 0.00 1.17 0.25 0.07 59.68 15:20:35 2 39.69 0.00 1.43 0.10 0.07 58.70 15:20:35 3 38.02 0.00 1.21 0.03 0.07 60.67 15:30:09 all 2.75 0.00 0.11 0.03 0.01 97.10 15:30:09 0 1.39 0.00 0.09 0.00 0.01 98.50 15:30:09 1 7.14 0.00 0.20 0.02 0.02 92.62 15:30:09 2 1.18 0.00 0.09 0.08 0.01 98.64 15:30:09 3 1.30 0.00 0.05 0.01 0.01 98.62 Average: all 39.59 0.00 1.52 0.15 0.07 58.67 Average: 0 38.95 0.00 1.52 0.05 0.07 59.41 Average: 1 40.45 0.00 1.50 0.21 0.08 57.76 Average: 2 39.94 0.00 1.64 0.11 0.07 58.24 Average: 3 39.03 0.00 1.40 0.23 0.08 59.26