---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1809 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 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 665 10448 4 4874 14981 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:2d:21:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84114sec preferred_lft 84114sec inet6 fe80::f816:3eff:fe2d:212f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:9b:e6:3e:df:68 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-1809) 08/03/26 _x86_64_ (4 CPU) 16:14:26 LINUX RESTART (4 CPU) 16:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:03 6.84 1.89 4.82 0.13 122.51 1341.80 137.92 16:40:00 23.33 12.43 9.79 1.12 151.31 2321.92 2939.90 16:50:03 28.73 0.58 23.90 4.25 22.25 3868.86 7791.60 Average: 19.64 4.94 12.86 1.84 98.43 2513.96 3632.87 16:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:03 11208032 14133184 1830552 11.18 116088 2970400 2312584 13.27 472024 4360908 35860 16:40:00 9705380 13364032 2592744 15.84 148968 3589268 2891992 16.60 680164 5560284 35460 16:50:03 10746392 15378228 571548 3.49 175988 4471956 1094836 6.28 937244 4168196 60 Average: 10553268 14291815 1664948 10.17 147015 3677208 2099804 12.05 696477 4696463 23793 16:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:03 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 16:30:03 ens3 64.46 53.40 709.98 8.25 0.00 0.00 0.00 0.00 16:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:00 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 16:40:00 ens3 64.98 52.06 103.65 17.72 0.00 0.00 0.00 0.00 16:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:03 lo 1700.37 1700.37 1612.88 1612.88 0.00 0.00 0.00 0.00 16:50:03 ens3 95.72 80.16 406.28 101.75 0.00 0.00 0.00 0.00 16:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.76 570.76 540.92 540.92 0.00 0.00 0.00 0.00 Average: ens3 75.12 61.93 407.24 42.75 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-1809) 08/03/26 _x86_64_ (4 CPU) 16:14:26 LINUX RESTART (4 CPU) 16:20:03 CPU %user %nice %system %iowait %steal %idle 16:30:03 all 10.93 0.00 0.43 0.03 0.03 88.58 16:30:03 0 11.00 0.00 0.44 0.02 0.03 88.51 16:30:03 1 10.39 0.00 0.46 0.03 0.03 89.10 16:30:03 2 11.04 0.00 0.45 0.01 0.04 88.45 16:30:03 3 11.28 0.00 0.38 0.06 0.03 88.25 16:40:00 all 72.31 0.07 2.23 0.06 0.10 25.22 16:40:00 0 72.09 0.22 2.46 0.16 0.10 24.97 16:40:00 1 72.92 0.04 2.28 0.03 0.10 24.63 16:40:00 2 70.75 0.00 2.04 0.03 0.10 27.08 16:40:00 3 73.48 0.03 2.16 0.03 0.10 24.20 16:50:03 all 48.30 0.00 2.25 0.69 0.08 48.68 16:50:03 0 47.90 0.00 2.16 2.06 0.08 47.81 16:50:03 1 44.39 0.00 1.91 0.20 0.08 53.41 16:50:03 2 51.97 0.00 2.53 0.20 0.08 45.21 16:50:03 3 48.92 0.00 2.39 0.30 0.08 48.30 Average: all 43.77 0.02 1.64 0.26 0.07 54.24 Average: 0 43.59 0.07 1.68 0.75 0.07 53.83 Average: 1 42.51 0.01 1.55 0.09 0.07 55.77 Average: 2 44.53 0.00 1.67 0.08 0.08 53.64 Average: 3 44.44 0.01 1.64 0.13 0.07 53.71