---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5978 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 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 679 10522 4 4787 14967 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:0a:ad:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84660sec preferred_lft 84660sec inet6 fe80::f816:3eff:fe0a:ad4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:40:4f:7b:50:d3 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-5978) 03/19/26 _x86_64_ (4 CPU) 09:11:57 LINUX RESTART (4 CPU) 09:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 11.22 0.47 9.63 1.11 17.04 2541.91 2968.27 09:40:04 26.20 0.74 21.38 4.07 25.28 3640.43 8240.86 Average: 18.81 0.61 15.59 2.61 21.22 3099.12 5642.70 09:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 9604780 13211900 2745048 16.77 149456 3549240 2933924 16.84 657708 5700296 20152 09:40:04 10861908 15404028 546736 3.34 173772 4400820 1023816 5.88 913780 4090752 3360 Average: 10233344 14307964 1645892 10.05 161614 3975030 1978870 11.36 785744 4895524 11756 09:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 66.27 52.22 142.76 17.07 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 1690.63 1690.63 1599.64 1599.64 0.00 0.00 0.00 0.00 09:40:04 ens3 124.78 110.10 413.54 201.80 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 858.22 858.22 811.46 811.46 0.00 0.00 0.00 0.00 Average: ens3 95.95 81.57 280.11 110.77 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-5978) 03/19/26 _x86_64_ (4 CPU) 09:11:57 LINUX RESTART (4 CPU) 09:20:15 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 73.40 0.00 2.26 0.03 0.11 24.21 09:30:01 0 72.74 0.00 2.04 0.03 0.11 25.09 09:30:01 1 76.08 0.00 2.12 0.03 0.11 21.67 09:30:01 2 72.52 0.00 2.37 0.02 0.11 24.98 09:30:01 3 72.26 0.00 2.50 0.04 0.11 25.09 09:40:04 all 45.77 0.00 2.11 0.05 0.09 51.98 09:40:04 0 43.59 0.00 2.02 0.05 0.08 54.25 09:40:04 1 45.77 0.00 2.24 0.04 0.09 51.86 09:40:04 2 48.51 0.00 1.70 0.03 0.09 49.67 09:40:04 3 45.23 0.00 2.48 0.08 0.09 52.13 Average: all 59.38 0.00 2.18 0.04 0.10 38.30 Average: 0 57.93 0.00 2.03 0.04 0.10 39.90 Average: 1 60.70 0.00 2.18 0.04 0.10 36.99 Average: 2 60.34 0.00 2.03 0.02 0.10 37.51 Average: 3 58.56 0.00 2.49 0.06 0.10 38.80