---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38251 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 12G 66G 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 672 9343 4 5973 14974 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:52:66:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83680sec preferred_lft 83680sec inet6 fe80::f816:3eff:fe52:66f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:14:ae:2a:37:2b 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-38251) 07/24/26 _x86_64_ (4 CPU) 00:53:32 LINUX RESTART (4 CPU) 01:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:17 27.96 2.77 24.57 0.62 148.07 2932.69 1166.08 01:20:17 23.25 1.98 18.19 3.08 130.99 3282.25 61202.53 01:30:16 21.20 0.16 18.03 3.01 4.86 1642.14 23246.46 Average: 24.13 1.64 20.26 2.23 94.67 2619.38 28540.24 01:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:17 12238328 15005736 960568 5.87 104192 2844196 1466400 8.42 373148 3420264 195068 01:20:17 9617680 13159904 2798608 17.09 131196 3525308 3047196 17.49 677904 5685644 124 01:30:16 9362352 13281540 2674200 16.33 150908 3854836 2806596 16.11 806688 5788168 30428 Average: 10406120 13815727 2144459 13.10 128765 3408113 2440064 14.01 619247 4964692 75207 01:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:17 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 01:10:17 ens3 85.41 62.43 775.58 11.10 0.00 0.00 0.00 0.00 01:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:17 lo 24.98 24.98 5.71 5.71 0.00 0.00 0.00 0.00 01:20:17 ens3 36.90 27.87 171.18 7.95 0.00 0.00 0.00 0.00 01:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:16 lo 1191.80 1191.80 1107.08 1107.08 0.00 0.00 0.00 0.00 01:30:16 ens3 38.96 30.01 264.96 6.93 0.00 0.00 0.00 0.00 01:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 405.42 405.42 370.68 370.68 0.00 0.00 0.00 0.00 Average: ens3 53.76 40.10 403.96 8.66 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-38251) 07/24/26 _x86_64_ (4 CPU) 00:53:32 LINUX RESTART (4 CPU) 01:00:17 CPU %user %nice %system %iowait %steal %idle 01:10:17 all 5.43 0.00 0.48 0.51 0.03 93.55 01:10:17 0 4.55 0.00 0.44 0.86 0.03 94.12 01:10:17 1 8.33 0.00 0.58 0.38 0.03 90.68 01:10:17 2 4.17 0.00 0.37 0.20 0.03 95.24 01:10:17 3 4.69 0.00 0.54 0.59 0.03 94.16 01:20:17 all 38.48 0.00 1.39 0.41 0.09 59.62 01:20:17 0 40.32 0.00 1.58 0.28 0.09 57.73 01:20:17 1 38.12 0.00 1.16 0.43 0.10 60.20 01:20:17 2 37.39 0.00 1.31 0.25 0.10 60.96 01:20:17 3 38.09 0.00 1.53 0.69 0.09 59.60 01:30:16 all 27.91 0.00 1.50 0.18 0.09 70.32 01:30:16 0 28.24 0.00 1.39 0.16 0.08 70.13 01:30:16 1 28.09 0.00 1.50 0.33 0.09 69.99 01:30:16 2 27.88 0.00 1.62 0.17 0.10 70.23 01:30:16 3 27.42 0.00 1.52 0.06 0.08 70.92 Average: all 23.93 0.00 1.13 0.37 0.07 74.51 Average: 0 24.35 0.00 1.14 0.44 0.07 74.01 Average: 1 24.84 0.00 1.08 0.38 0.07 73.63 Average: 2 23.14 0.00 1.10 0.21 0.07 75.48 Average: 3 23.39 0.00 1.19 0.45 0.07 74.90