---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-113492 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 12G 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 647 8693 4 6648 14999 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:4a:9d:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84592sec preferred_lft 84592sec inet6 fe80::f816:3eff:fe4a:9d5e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:e4:9f:6b:ff:23 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-113492) 03/06/26 _x86_64_ (4 CPU) 09:10:53 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:08 25.17 0.02 22.54 2.61 0.21 2157.55 21600.13 09:40:02 19.53 0.03 18.02 1.47 0.42 9017.01 15847.82 Average: 22.38 0.02 20.31 2.05 0.31 5552.50 18753.14 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:08 8359740 12476696 3478416 21.24 153312 4057284 3548424 20.37 924852 6652660 202684 09:40:02 9010120 15447340 500664 3.06 178744 6273744 989240 5.68 1751984 5088184 34772 Average: 8684930 13962018 1989540 12.15 166028 5165514 2268832 13.02 1338418 5870422 118728 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:08 lo 1158.33 1158.33 1103.23 1103.23 0.00 0.00 0.00 0.00 09:30:08 ens3 27.69 21.50 18.33 6.82 0.00 0.00 0.00 0.00 09:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 750.23 750.23 7391.14 7391.14 0.00 0.00 0.00 0.00 09:40:02 ens3 33.74 27.30 144.41 7.60 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 956.35 956.35 4215.30 4215.30 0.00 0.00 0.00 0.00 Average: ens3 30.68 24.37 80.73 7.21 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-113492) 03/06/26 _x86_64_ (4 CPU) 09:10:53 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:08 all 66.01 0.00 2.46 0.11 0.09 31.33 09:30:08 0 65.84 0.00 2.41 0.06 0.08 31.62 09:30:08 1 67.77 0.00 2.62 0.12 0.09 29.41 09:30:08 2 65.90 0.00 2.32 0.22 0.08 31.48 09:30:08 3 64.53 0.00 2.50 0.06 0.09 32.82 09:40:02 all 46.43 0.00 1.73 0.17 0.09 51.58 09:40:02 0 43.16 0.00 1.48 0.11 0.09 55.16 09:40:02 1 51.11 0.00 1.97 0.05 0.09 46.79 09:40:02 2 42.56 0.00 1.64 0.33 0.08 55.38 09:40:02 3 48.89 0.00 1.85 0.19 0.09 48.98 Average: all 56.31 0.00 2.10 0.14 0.09 41.36 Average: 0 54.60 0.00 1.95 0.09 0.09 43.28 Average: 1 59.53 0.00 2.30 0.08 0.09 38.01 Average: 2 54.33 0.00 1.98 0.28 0.08 43.33 Average: 3 56.78 0.00 2.18 0.12 0.09 40.83