---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37168 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 13G 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 670 8707 4 6611 14976 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:31:b2:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84454sec preferred_lft 84454sec inet6 fe80::f816:3eff:fe31:b298/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:cc:7e:ea:68:95 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-37168) 03/25/26 _x86_64_ (4 CPU) 09:28:31 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:08 54.70 3.87 34.23 16.61 195.40 5575.42 242856.51 09:50:10 28.82 0.01 25.92 2.88 0.17 2417.94 9620.83 10:00:01 17.20 0.03 15.78 1.39 0.70 8812.75 50352.04 Average: 33.75 1.32 25.40 7.03 66.24 5581.14 101707.01 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:08 9921360 13478084 2479732 15.15 136820 3548484 2457488 14.11 699344 5374472 35880 09:50:10 8544348 12511184 3443396 21.03 156924 3905032 3400976 19.52 814132 6596524 25684 10:00:01 9031192 15430204 516700 3.16 175788 6236620 1026212 5.89 1652976 5173608 30880 Average: 9165633 13806491 2146609 13.11 156511 4563379 2294892 13.17 1055484 5714868 30815 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:08 lo 1476.94 1476.94 1401.51 1401.51 0.00 0.00 0.00 0.00 09:40:08 ens3 119.08 89.20 1074.10 15.69 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:10 lo 1236.87 1236.87 1178.37 1178.37 0.00 0.00 0.00 0.00 09:50:10 ens3 27.98 22.22 40.89 7.36 0.00 0.00 0.00 0.00 09:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 2683.43 2683.43 9638.05 9638.05 0.00 0.00 0.00 0.00 10:00:01 ens3 39.18 31.78 139.15 31.41 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1792.36 1792.36 4028.36 4028.36 0.00 0.00 0.00 0.00 Average: ens3 62.40 47.96 421.87 18.06 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-37168) 03/25/26 _x86_64_ (4 CPU) 09:28:31 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:08 all 67.52 0.00 2.77 0.19 0.14 29.39 09:40:08 0 67.41 0.00 2.87 0.31 0.14 29.27 09:40:08 1 66.37 0.00 2.45 0.12 0.13 30.93 09:40:08 2 68.12 0.00 2.92 0.22 0.13 28.60 09:40:08 3 68.18 0.00 2.83 0.11 0.14 28.74 09:50:10 all 64.64 0.00 2.46 0.13 0.12 32.64 09:50:10 0 62.87 0.00 2.58 0.11 0.12 34.32 09:50:10 1 67.03 0.00 2.48 0.13 0.12 30.23 09:50:10 2 64.77 0.00 2.41 0.07 0.12 32.62 09:50:10 3 63.87 0.00 2.38 0.22 0.12 33.41 10:00:01 all 41.41 0.00 1.66 0.89 0.11 55.93 10:00:01 0 42.22 0.00 2.07 0.73 0.11 54.87 10:00:01 1 44.82 0.00 1.40 0.66 0.11 53.01 10:00:01 2 39.57 0.00 1.67 1.44 0.11 57.21 10:00:01 3 39.04 0.00 1.50 0.73 0.11 58.62 Average: all 57.98 0.00 2.30 0.40 0.12 39.19 Average: 0 57.62 0.00 2.51 0.38 0.12 39.36 Average: 1 59.51 0.00 2.12 0.30 0.12 37.96 Average: 2 57.64 0.00 2.34 0.57 0.12 39.33 Average: 3 57.16 0.00 2.24 0.35 0.12 40.13