---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7337 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 655 8713 4 6620 14991 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:0a:0a:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84044sec preferred_lft 84044sec inet6 fe80::f816:3eff:fe0a:a05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:6e:e3:9d:42:8f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-7337) 04/24/26 _x86_64_ (4 CPU) 06:07:59 LINUX RESTART (4 CPU) 06:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:20:01 29.58 3.01 23.86 2.71 163.64 4381.93 6506.56 06:30:04 25.45 0.03 22.72 2.70 0.29 2173.31 13742.41 06:40:01 18.88 0.03 17.19 1.65 0.72 3698.60 9299.95 Average: 24.64 1.02 21.26 2.35 54.67 3413.31 9864.17 06:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:20:01 10061540 13482288 2476224 15.12 136640 3415784 2850356 16.36 653120 5285832 15396 06:30:04 9116272 12943968 3011516 18.39 156324 3768204 2991424 17.17 765000 6077264 20828 06:40:01 5568620 10267024 5685188 34.72 164096 4598452 5295732 30.40 1017660 9298748 4368 Average: 8248811 12231093 3724309 22.75 152353 3927480 3712504 21.31 811927 6887281 13531 06:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:20:01 lo 1449.26 1449.26 1375.77 1375.77 0.00 0.00 0.00 0.00 06:20:01 ens3 129.59 98.28 989.46 20.13 0.00 0.00 0.00 0.00 06:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:04 lo 1118.52 1118.52 1065.43 1065.43 0.00 0.00 0.00 0.00 06:30:04 ens3 36.47 31.17 42.77 10.79 0.00 0.00 0.00 0.00 06:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:01 lo 796.63 796.63 7171.54 7171.54 0.00 0.00 0.00 0.00 06:40:01 ens3 30.68 22.12 16.33 7.28 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1121.42 1121.42 3196.74 3196.74 0.00 0.00 0.00 0.00 Average: ens3 65.47 50.45 348.33 12.73 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-7337) 04/24/26 _x86_64_ (4 CPU) 06:07:59 LINUX RESTART (4 CPU) 06:10:04 CPU %user %nice %system %iowait %steal %idle 06:20:01 all 55.24 0.00 2.27 0.13 0.10 42.27 06:20:01 0 54.79 0.00 2.31 0.10 0.10 42.71 06:20:01 1 56.06 0.00 2.31 0.08 0.10 41.45 06:20:01 2 55.16 0.00 2.38 0.16 0.10 42.21 06:20:01 3 54.95 0.00 2.06 0.16 0.09 42.73 06:30:04 all 66.93 0.00 2.33 0.08 0.12 30.53 06:30:04 0 67.08 0.00 2.46 0.16 0.12 30.19 06:30:04 1 65.70 0.00 2.48 0.08 0.12 31.63 06:30:04 2 67.98 0.00 2.31 0.04 0.12 29.55 06:30:04 3 66.98 0.00 2.09 0.04 0.12 30.77 06:40:01 all 46.77 0.00 1.72 0.06 0.10 51.35 06:40:01 0 51.95 0.00 1.76 0.06 0.11 46.13 06:40:01 1 41.05 0.00 1.64 0.07 0.10 57.14 06:40:01 2 49.76 0.00 1.44 0.03 0.10 48.67 06:40:01 3 44.34 0.00 2.04 0.07 0.10 53.46 Average: all 56.35 0.00 2.11 0.09 0.10 41.35 Average: 0 57.97 0.00 2.17 0.10 0.11 39.64 Average: 1 54.31 0.00 2.14 0.08 0.10 43.37 Average: 2 57.67 0.00 2.05 0.08 0.10 40.10 Average: 3 55.46 0.00 2.06 0.09 0.10 42.29