---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-939 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 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 686 10461 4 4841 14960 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:bf:c9:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84100sec preferred_lft 84100sec inet6 fe80::f816:3eff:febf:c927/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:b4:d1:99:ed:bc 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-939) 07/31/26 _x86_64_ (4 CPU) 19:06:33 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 1.88 0.04 1.82 0.02 1.99 41.02 0.74 19:30:18 26.59 1.98 10.83 13.77 127.12 2915.54 235495.37 19:40:00 36.62 0.95 30.90 4.77 34.32 4626.12 12191.72 Average: 21.77 1.01 14.43 6.33 55.86 2532.92 85497.21 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13038564 15504272 470280 2.87 98604 2556056 985004 5.65 338560 2654284 92 19:30:18 10481224 13914992 2044044 12.48 139556 3408276 2322536 13.33 584964 4898140 40684 19:40:00 10794612 15393012 558244 3.41 176380 4450344 1103768 6.34 905664 4171136 56228 Average: 11438133 14937425 1024189 6.26 138180 3471559 1470436 8.44 609729 3907853 32335 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 19:20:01 ens3 11.40 9.66 189.43 1.20 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:18 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 19:30:18 ens3 98.73 77.49 585.73 19.22 0.00 0.00 0.00 0.00 19:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 1685.47 1685.47 1606.10 1606.10 0.00 0.00 0.00 0.00 19:40:00 ens3 80.51 61.58 467.22 19.47 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 550.72 550.72 524.39 524.39 0.00 0.00 0.00 0.00 Average: ens3 64.19 50.09 417.30 13.41 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-939) 07/31/26 _x86_64_ (4 CPU) 19:06:33 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 0.21 0.00 0.06 0.06 0.02 99.66 19:20:01 0 0.03 0.00 0.03 0.03 0.01 99.90 19:20:01 1 0.34 0.00 0.10 0.18 0.02 99.35 19:20:01 2 0.38 0.00 0.07 0.01 0.02 99.51 19:20:01 3 0.07 0.00 0.04 0.00 0.01 99.87 19:30:18 all 63.64 0.00 2.07 0.05 0.09 34.15 19:30:18 0 61.29 0.00 1.84 0.04 0.09 36.75 19:30:18 1 61.78 0.00 2.22 0.08 0.09 35.83 19:30:18 2 66.16 0.00 2.29 0.05 0.09 31.41 19:30:18 3 65.34 0.00 1.95 0.02 0.09 32.61 19:40:00 all 64.07 0.00 2.65 0.24 0.10 32.93 19:40:00 0 64.16 0.00 2.49 0.24 0.10 33.00 19:40:00 1 65.68 0.00 2.57 0.23 0.11 31.42 19:40:00 2 65.83 0.00 3.04 0.13 0.10 30.90 19:40:00 3 60.62 0.00 2.52 0.38 0.10 36.38 Average: all 42.98 0.00 1.60 0.11 0.07 55.24 Average: 0 42.14 0.00 1.46 0.10 0.07 56.23 Average: 1 42.91 0.00 1.64 0.16 0.07 55.22 Average: 2 44.47 0.00 1.81 0.07 0.07 53.59 Average: 3 42.39 0.00 1.51 0.13 0.07 55.91