---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-702 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 67G 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 594 10597 4 4797 15052 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:9a:b5:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84736sec preferred_lft 84736sec inet6 fe80::f816:3eff:fe9a:b546/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:fb:2c:9c:1b:52 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-702) 04/07/26 _x86_64_ (4 CPU) 09:08:56 LINUX RESTART (4 CPU) 09:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:09 39.11 3.87 34.48 0.76 236.49 4127.37 765.92 09:30:01 3.01 0.06 2.87 0.08 6.37 397.26 120.06 Average: 21.26 1.99 18.85 0.43 122.71 2283.00 446.57 09:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:09 10958188 13899976 2064164 12.61 111156 2998664 2419724 13.89 481972 4593176 10464 09:30:01 10257984 13301280 2662000 16.26 114872 3087760 2979896 17.10 508760 5265592 2104 Average: 10608086 13600628 2363082 14.43 113014 3043212 2699810 15.50 495366 4929384 6284 09:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:09 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 09:20:09 ens3 88.74 69.54 875.58 11.05 0.00 0.00 0.00 0.00 09:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 09:30:01 ens3 5.09 4.26 20.58 0.96 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 Average: lo 0.57 0.57 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 47.38 37.26 452.82 6.07 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-702) 04/07/26 _x86_64_ (4 CPU) 09:08:56 LINUX RESTART (4 CPU) 09:10:04 CPU %user %nice %system %iowait %steal %idle 09:20:09 all 46.19 0.00 1.17 0.26 0.08 52.29 09:20:09 0 45.11 0.00 0.93 0.06 0.07 53.83 09:20:09 1 50.26 0.00 1.31 0.28 0.08 48.08 09:20:09 2 39.65 0.00 1.28 0.43 0.08 58.56 09:20:09 3 49.77 0.00 1.17 0.29 0.08 48.67 09:30:01 all 42.47 0.00 0.43 0.01 0.07 57.01 09:30:01 0 37.31 0.00 0.44 0.00 0.06 62.18 09:30:01 1 50.17 0.00 0.42 0.02 0.07 49.32 09:30:01 2 37.20 0.00 0.40 0.02 0.07 62.31 09:30:01 3 45.21 0.00 0.47 0.02 0.08 54.21 Average: all 44.35 0.00 0.81 0.14 0.08 54.62 Average: 0 41.25 0.00 0.69 0.03 0.07 57.96 Average: 1 50.21 0.00 0.87 0.15 0.08 48.69 Average: 2 38.44 0.00 0.85 0.22 0.08 60.41 Average: 3 47.52 0.00 0.83 0.16 0.08 51.41