---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-114267 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 624 10686 4 4678 15022 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:32:ca:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83231sec preferred_lft 83231sec inet6 fe80::f816:3eff:fe32:ca0c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:62:4c:7a:03:9f 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-114267) 03/06/26 _x86_64_ (4 CPU) 09:28:58 LINUX RESTART (4 CPU) 09:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:05 1.17 0.04 1.11 0.01 1.87 17.77 193.95 09:50:05 0.79 0.00 0.78 0.00 0.04 11.05 0.00 10:00:05 37.89 4.21 33.02 0.66 251.51 3611.38 536.40 10:10:05 3.47 0.07 3.24 0.16 7.05 577.37 25.63 10:20:05 19.14 0.52 17.07 1.55 18.87 2307.87 4172.26 Average: 12.49 0.97 11.05 0.48 55.87 1305.09 985.66 09:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:05 13777492 15523636 495048 3.02 54448 1918844 1140288 6.55 199312 2146772 136 09:50:05 13777240 15523912 494904 3.02 54828 1918988 1140288 6.55 199696 2147656 148 10:00:05 11357800 14143912 1820776 11.12 109884 2853480 2164792 12.43 465872 4230104 18028 10:10:05 9752928 12685580 3277760 20.02 115264 2982152 3477152 19.96 510616 5756108 936 10:20:05 9821492 13622260 2336612 14.27 137736 3787088 2519416 14.46 704000 5453100 440240 Average: 11697390 14299860 1685020 10.29 94432 2692110 2088387 11.99 415899 3946748 91898 09:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:40:05 ens3 0.38 0.12 0.09 0.04 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:05 ens3 0.30 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:05 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 10:00:05 ens3 83.71 66.19 827.35 11.70 0.00 0.00 0.00 0.00 10:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 10:10:05 ens3 9.47 7.46 37.29 2.10 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 482.86 482.86 460.16 460.16 0.00 0.00 0.00 0.00 10:20:05 ens3 49.43 35.36 467.76 5.85 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.81 96.81 92.12 92.12 0.00 0.00 0.00 0.00 Average: ens3 28.66 21.85 266.51 3.94 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-114267) 03/06/26 _x86_64_ (4 CPU) 09:28:58 LINUX RESTART (4 CPU) 09:30:05 CPU %user %nice %system %iowait %steal %idle 09:40:05 all 0.13 0.00 0.03 0.01 0.01 99.82 09:40:05 0 0.14 0.00 0.02 0.00 0.01 99.83 09:40:05 1 0.03 0.00 0.04 0.01 0.02 99.91 09:40:05 2 0.03 0.00 0.03 0.00 0.01 99.93 09:40:05 3 0.31 0.00 0.04 0.03 0.02 99.61 09:50:05 all 0.10 0.00 0.03 0.01 0.01 99.85 09:50:05 0 0.04 0.00 0.03 0.01 0.01 99.91 09:50:05 1 0.31 0.00 0.03 0.00 0.01 99.65 09:50:05 2 0.02 0.00 0.02 0.00 0.01 99.96 09:50:05 3 0.05 0.00 0.03 0.03 0.02 99.87 10:00:05 all 26.08 0.00 0.86 0.35 0.05 72.66 10:00:05 0 23.60 0.00 0.95 0.10 0.05 75.30 10:00:05 1 35.16 0.00 0.98 0.51 0.06 63.29 10:00:05 2 19.81 0.00 0.65 0.63 0.05 78.86 10:00:05 3 25.76 0.00 0.85 0.15 0.05 73.19 10:10:05 all 48.74 0.00 0.70 0.02 0.10 50.45 10:10:05 0 38.40 0.00 0.80 0.04 0.09 60.67 10:10:05 1 57.14 0.00 0.55 0.02 0.10 42.19 10:10:05 2 47.34 0.00 0.77 0.02 0.09 51.78 10:10:05 3 52.11 0.00 0.66 0.00 0.10 47.13 10:20:05 all 54.61 0.00 1.46 0.06 0.10 43.77 10:20:05 0 43.80 0.00 1.49 0.06 0.09 54.55 10:20:05 1 57.10 0.00 1.37 0.04 0.10 41.40 10:20:05 2 45.48 0.00 1.44 0.02 0.09 52.96 10:20:05 3 72.10 0.00 1.53 0.11 0.12 26.15 Average: all 25.92 0.00 0.61 0.09 0.05 73.32 Average: 0 21.20 0.00 0.66 0.04 0.05 78.05 Average: 1 29.94 0.00 0.59 0.11 0.06 69.30 Average: 2 22.52 0.00 0.58 0.14 0.05 76.71 Average: 3 30.04 0.00 0.62 0.06 0.06 69.21