---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38104 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: 5599.94 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 713 9356 4 5919 14933 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:e9:7e:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84392sec preferred_lft 84392sec inet6 fe80::f816:3eff:fee9:7e1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:70:44:6c:95:64 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-38104) 07/23/26 _x86_64_ (4 CPU) 12:39:01 LINUX RESTART (4 CPU) 12:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:27 46.87 3.71 28.17 14.98 208.33 7117.40 253757.15 13:00:01 32.01 0.05 28.49 3.47 1.38 2729.84 17277.03 13:10:12 25.81 0.14 22.60 3.06 9.77 6458.98 90657.17 Average: 34.91 1.32 26.37 7.22 74.10 5483.16 122136.54 12:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:27 9553980 13444800 2510648 15.33 156572 3819708 2705096 15.53 700868 5668584 6236 13:00:01 8944164 13344096 2607884 15.93 177592 4265764 2759608 15.84 834764 6122240 99624 13:10:12 9657036 15356008 589004 3.60 204976 5462828 1115384 6.40 946012 5188168 120 Average: 9385060 14048301 1902512 11.62 179713 4516100 2193363 12.59 827215 5659664 35327 12:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:27 lo 453.62 453.62 431.43 431.43 0.00 0.00 0.00 0.00 12:50:27 ens3 143.03 99.41 1254.85 18.60 0.00 0.00 0.00 0.00 12:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1580.34 1580.34 1506.32 1506.32 0.00 0.00 0.00 0.00 13:00:01 ens3 43.88 35.78 144.24 10.96 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:12 lo 288.37 288.37 268.89 268.89 0.00 0.00 0.00 0.00 13:10:12 ens3 66.47 59.81 114.80 162.81 0.00 0.00 0.00 0.00 13:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 759.23 759.23 721.31 721.31 0.00 0.00 0.00 0.00 Average: ens3 85.05 65.46 509.08 65.35 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-38104) 07/23/26 _x86_64_ (4 CPU) 12:39:01 LINUX RESTART (4 CPU) 12:40:23 CPU %user %nice %system %iowait %steal %idle 12:50:27 all 48.64 0.00 1.84 1.44 0.10 47.98 12:50:27 0 49.13 0.00 1.85 0.79 0.10 48.12 12:50:27 1 49.29 0.00 1.81 1.25 0.10 47.56 12:50:27 2 49.15 0.00 1.82 1.14 0.10 47.80 12:50:27 3 47.00 0.00 1.89 2.58 0.10 48.44 13:00:01 all 61.49 0.00 2.53 0.43 0.12 35.44 13:00:01 0 63.07 0.00 2.59 0.24 0.12 33.97 13:00:01 1 59.08 0.00 2.49 0.57 0.12 37.75 13:00:01 2 63.74 0.00 2.73 0.40 0.12 33.01 13:00:01 3 60.05 0.00 2.32 0.49 0.12 37.02 13:10:12 all 52.04 0.00 1.86 0.13 0.10 45.86 13:10:12 0 49.94 0.00 1.69 0.10 0.10 48.17 13:10:12 1 52.92 0.00 1.79 0.10 0.11 45.07 13:10:12 2 50.31 0.00 1.71 0.20 0.10 47.68 13:10:12 3 55.01 0.00 2.25 0.14 0.11 42.49 Average: all 53.92 0.00 2.07 0.67 0.11 43.23 Average: 0 53.88 0.00 2.04 0.38 0.11 43.60 Average: 1 53.67 0.00 2.02 0.64 0.11 43.56 Average: 2 54.22 0.00 2.07 0.58 0.11 43.01 Average: 3 53.92 0.00 2.15 1.08 0.11 42.75