---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26048 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 713 10475 4 4800 14933 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:8c:b2:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84647sec preferred_lft 84647sec inet6 fe80::f816:3eff:fe8c:b2ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:bf:ec:ab:e8:fc 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-26048) 03/03/26 _x86_64_ (4 CPU) 15:38:16 LINUX RESTART (4 CPU) 15:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:23 23.02 2.74 19.04 1.23 154.77 3880.99 952.57 16:00:23 24.98 0.80 21.33 2.86 28.32 3497.53 9188.97 Average: 23.98 1.79 20.16 2.03 92.64 3692.57 4999.62 15:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:23 10780388 13924608 2035756 12.43 125944 3157756 2297712 13.19 536980 4685112 23336 16:00:23 9204944 13296240 2655404 16.22 168552 3978536 2799860 16.07 780396 5917848 11716 Average: 9992666 13610424 2345580 14.33 147248 3568146 2548786 14.63 658688 5301480 17526 15:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:23 lo 0.97 0.97 0.11 0.11 0.00 0.00 0.00 0.00 15:50:23 ens3 90.66 71.13 752.01 16.27 0.00 0.00 0.00 0.00 15:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:23 lo 1240.70 1240.70 1182.13 1182.13 0.00 0.00 0.00 0.00 16:00:23 ens3 83.64 61.56 367.40 18.53 0.00 0.00 0.00 0.00 16:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 610.13 610.13 580.91 580.91 0.00 0.00 0.00 0.00 Average: ens3 87.21 66.43 563.02 17.38 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-26048) 03/03/26 _x86_64_ (4 CPU) 15:38:16 LINUX RESTART (4 CPU) 15:40:01 CPU %user %nice %system %iowait %steal %idle 15:50:23 all 43.82 0.00 1.60 0.50 0.11 53.98 15:50:23 0 44.03 0.00 1.58 0.76 0.11 53.52 15:50:23 1 43.71 0.00 1.42 0.20 0.11 54.56 15:50:23 2 42.53 0.00 1.57 0.25 0.11 55.54 15:50:23 3 45.02 0.00 1.82 0.78 0.11 52.28 16:00:23 all 69.93 0.00 2.74 0.07 0.14 27.11 16:00:23 0 69.22 0.00 2.53 0.06 0.14 28.04 16:00:23 1 71.60 0.00 3.06 0.10 0.14 25.09 16:00:23 2 68.94 0.00 2.77 0.05 0.14 28.11 16:00:23 3 69.97 0.00 2.61 0.08 0.14 27.20 Average: all 56.64 0.00 2.16 0.29 0.12 40.78 Average: 0 56.40 0.00 2.05 0.42 0.12 41.01 Average: 1 57.40 0.00 2.23 0.15 0.12 40.09 Average: 2 55.50 0.00 2.16 0.15 0.12 42.07 Average: 3 57.27 0.00 2.21 0.43 0.13 39.96