---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29959 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 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 663 8984 4 6341 14983 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:b0:62:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84125sec preferred_lft 84125sec inet6 fe80::f816:3eff:feb0:6237/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:bc:c4:4f:cb:ea 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-29959) 03/25/26 _x86_64_ (4 CPU) 05:23:28 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 38.05 0.43 20.69 16.92 19.52 2276.18 249252.01 05:50:18 31.18 0.02 27.94 3.22 0.30 2433.05 10751.05 06:00:14 13.71 0.31 12.13 1.27 11.67 7693.70 38637.82 Average: 27.61 0.25 20.34 7.02 10.31 4127.80 97423.20 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8667752 12218516 3739824 22.84 144184 3523928 3603824 20.69 695052 6615772 17144 05:50:18 8300848 12344652 3610452 22.05 162944 3967624 3400768 19.52 813988 6829224 92976 06:00:14 9305056 15438732 508592 3.11 180556 5971936 998944 5.73 1561752 4972536 4 Average: 8757885 13333967 2619623 16.00 162561 4487829 2667845 15.31 1023597 6139177 36708 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1515.77 1515.77 1438.87 1438.87 0.00 0.00 0.00 0.00 05:40:01 ens3 49.01 40.84 55.31 14.34 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:18 lo 1375.82 1375.82 1310.86 1310.86 0.00 0.00 0.00 0.00 05:50:18 ens3 40.61 31.72 39.32 11.59 0.00 0.00 0.00 0.00 05:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:14 lo 249.60 249.60 6885.23 6885.23 0.00 0.00 0.00 0.00 06:00:14 ens3 81.00 92.92 114.56 984.91 0.00 0.00 0.00 0.00 06:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1047.53 1047.53 3202.18 3202.18 0.00 0.00 0.00 0.00 Average: ens3 56.74 54.99 69.48 335.47 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-29959) 03/25/26 _x86_64_ (4 CPU) 05:23:28 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.57 0.00 2.52 0.98 0.11 26.81 05:40:01 0 69.84 0.00 2.56 1.62 0.12 25.86 05:40:01 1 70.69 0.00 2.54 0.42 0.11 26.24 05:40:01 2 69.27 0.00 2.81 0.80 0.12 27.01 05:40:01 3 68.47 0.00 2.19 1.07 0.11 28.16 05:50:18 all 63.89 0.00 2.61 0.62 0.14 32.74 05:50:18 0 63.58 0.00 2.53 0.66 0.14 33.10 05:50:18 1 65.38 0.00 2.55 0.87 0.14 31.06 05:50:18 2 62.93 0.00 2.65 0.30 0.14 33.99 05:50:18 3 63.68 0.00 2.69 0.68 0.13 32.81 06:00:14 all 31.21 0.00 1.03 0.45 0.10 67.22 06:00:14 0 27.93 0.00 0.98 0.27 0.09 70.73 06:00:14 1 31.70 0.00 1.16 0.46 0.09 66.59 06:00:14 2 37.45 0.00 1.14 0.07 0.11 61.23 06:00:14 3 27.75 0.00 0.84 1.00 0.09 70.31 Average: all 54.86 0.00 2.06 0.68 0.12 42.28 Average: 0 53.74 0.00 2.02 0.84 0.11 43.28 Average: 1 55.91 0.00 2.09 0.59 0.11 41.31 Average: 2 56.51 0.00 2.20 0.39 0.12 40.78 Average: 3 53.29 0.00 1.91 0.91 0.11 43.77