---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25322 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 12G 67G 15% / 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 729 9420 4 5839 14917 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:f0:dc:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84302sec preferred_lft 84302sec inet6 fe80::f816:3eff:fef0:dc78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:07:62:41:31:ea 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-25322) 06/06/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:02 39.51 3.79 21.57 14.15 578.24 4992.80 243118.40 06:50:07 31.19 0.18 27.68 3.33 7.24 3060.55 29751.51 07:00:01 29.14 0.31 25.45 3.39 11.97 6568.44 87770.19 Average: 33.29 1.43 24.90 6.96 199.51 4863.93 120166.92 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:02 10239712 13869440 2089060 12.76 144320 3600548 2490684 14.30 736088 5000180 29188 06:50:07 9319140 13491672 2461972 15.04 170124 4071908 2856972 16.40 899952 5704760 14696 07:00:01 9757820 15375944 570408 3.48 203564 5388816 1111996 6.38 1052280 5002240 86784 Average: 9772224 14245685 1707147 10.43 172669 4353757 2153217 12.36 896107 5235727 43556 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:02 lo 268.02 268.02 255.15 255.15 0.00 0.00 0.00 0.00 06:40:02 ens3 103.25 80.76 968.92 13.85 0.00 0.00 0.00 0.00 06:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:07 lo 1463.65 1463.65 1395.37 1395.37 0.00 0.00 0.00 0.00 06:50:07 ens3 59.47 47.88 186.40 13.31 0.00 0.00 0.00 0.00 06:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 446.13 446.13 423.56 423.56 0.00 0.00 0.00 0.00 07:00:01 ens3 49.40 41.94 109.48 35.50 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 728.42 728.42 693.74 693.74 0.00 0.00 0.00 0.00 Average: ens3 70.77 56.90 422.36 20.82 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-25322) 06/06/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:02 all 26.62 0.00 1.07 0.23 0.05 72.03 06:40:02 0 26.73 0.00 1.09 0.14 0.05 71.99 06:40:02 1 24.01 0.00 0.92 0.23 0.05 74.79 06:40:02 2 28.52 0.00 1.54 0.17 0.05 69.72 06:40:02 3 27.23 0.00 0.74 0.37 0.05 71.62 06:50:07 all 63.47 0.00 2.46 0.15 0.10 33.83 06:50:07 0 62.88 0.00 2.35 0.18 0.10 34.49 06:50:07 1 62.53 0.00 2.37 0.16 0.09 34.84 06:50:07 2 64.35 0.00 2.51 0.18 0.09 32.87 06:50:07 3 64.13 0.00 2.60 0.07 0.09 33.10 07:00:01 all 58.18 0.00 2.02 0.25 0.09 39.46 07:00:01 0 55.22 0.00 1.63 0.28 0.09 42.78 07:00:01 1 65.09 0.00 2.69 0.46 0.09 31.67 07:00:01 2 54.99 0.00 1.93 0.11 0.09 42.88 07:00:01 3 57.42 0.00 1.85 0.15 0.09 40.49 Average: all 49.40 0.00 1.85 0.21 0.08 48.47 Average: 0 48.27 0.00 1.69 0.20 0.08 49.76 Average: 1 50.47 0.00 1.99 0.28 0.08 47.18 Average: 2 49.28 0.00 1.99 0.15 0.08 48.49 Average: 3 49.56 0.00 1.73 0.20 0.08 48.43