---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29202 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: 5600.00 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 65G 17% / 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 689 8063 4 7236 14957 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:b4:4e:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83967sec preferred_lft 83967sec inet6 fe80::f816:3eff:feb4:4e35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:8c:dd:6c:6b:04 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-29202) 06/21/26 _x86_64_ (4 CPU) 19:01:21 LINUX RESTART (4 CPU) 19:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:11 26.07 0.03 23.23 2.81 0.39 2198.92 11079.19 19:30:01 27.18 0.03 24.42 2.73 0.38 4199.99 14559.10 19:40:11 11.42 0.29 9.81 1.33 11.19 7275.84 1815.60 Average: 21.47 0.11 19.07 2.29 4.04 4575.20 9081.06 19:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:11 8485256 12688908 3266212 19.95 151772 4141500 3345952 19.21 896504 6567700 214792 19:30:01 7459820 12439732 3511764 21.45 171424 4864376 3413088 19.59 1146628 7287376 296 19:40:11 8291956 15341892 602116 3.68 187024 6852224 1126112 6.46 1895772 5622180 380 Average: 8079011 13490177 2460031 15.02 170073 5286033 2628384 15.09 1312968 6492419 71823 19:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:11 lo 1414.61 1414.61 1341.87 1341.87 0.00 0.00 0.00 0.00 19:20:11 ens3 39.67 30.44 15.59 10.74 0.00 0.00 0.00 0.00 19:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1009.53 1009.53 956.26 956.26 0.00 0.00 0.00 0.00 19:30:01 ens3 41.40 31.86 28.95 11.26 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 2518.01 2518.01 9139.96 9139.96 0.00 0.00 0.00 0.00 19:40:11 ens3 71.80 83.96 138.57 1165.39 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1655.69 1655.69 3857.80 3857.80 0.00 0.00 0.00 0.00 Average: ens3 51.13 49.04 61.64 402.16 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-29202) 06/21/26 _x86_64_ (4 CPU) 19:01:21 LINUX RESTART (4 CPU) 19:10:11 CPU %user %nice %system %iowait %steal %idle 19:20:11 all 63.34 0.00 2.24 0.05 0.10 34.27 19:20:11 0 63.60 0.00 2.25 0.04 0.10 34.01 19:20:11 1 63.58 0.00 2.18 0.03 0.10 34.11 19:20:11 2 64.23 0.00 2.26 0.05 0.10 33.36 19:20:11 3 61.94 0.00 2.27 0.07 0.10 35.62 19:30:01 all 51.75 0.00 2.12 0.09 0.09 45.95 19:30:01 0 50.74 0.00 2.04 0.11 0.09 47.02 19:30:01 1 52.26 0.00 2.25 0.06 0.09 45.34 19:30:01 2 51.53 0.00 2.04 0.13 0.09 46.21 19:30:01 3 52.47 0.00 2.13 0.07 0.09 45.23 19:40:11 all 34.74 0.00 1.28 0.10 0.08 63.80 19:40:11 0 34.97 0.00 1.49 0.24 0.08 63.23 19:40:11 1 31.83 0.00 1.47 0.05 0.08 66.57 19:40:11 2 35.20 0.00 1.07 0.07 0.08 63.59 19:40:11 3 36.97 0.00 1.10 0.04 0.08 61.81 Average: all 49.83 0.00 1.87 0.08 0.09 48.12 Average: 0 49.66 0.00 1.92 0.13 0.09 48.20 Average: 1 49.10 0.00 1.96 0.05 0.09 48.80 Average: 2 50.21 0.00 1.78 0.08 0.09 47.84 Average: 3 50.36 0.00 1.83 0.06 0.09 47.67