---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28446 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 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 748 9402 4 5839 14898 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:00:be:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83822sec preferred_lft 83822sec inet6 fe80::f816:3eff:fe00:be32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:50:c6:43:b2:61 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-28446) 06/18/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 15.32 2.32 11.98 1.02 136.38 3517.08 2929.22 20:50:16 49.00 0.32 40.46 8.22 10.00 4223.95 6284.02 21:00:31 42.24 0.29 34.11 7.84 11.35 5201.56 10186.48 Average: 35.63 0.97 28.94 5.72 52.06 4321.81 6499.22 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9973692 13489564 2468792 15.08 155452 3464804 2851676 16.37 604444 5395608 48280 20:50:16 9071044 13471768 2478240 15.14 203720 4226332 2772368 15.91 814624 5989576 9460 21:00:31 9752860 15365032 580480 3.55 240716 5333004 1130932 6.49 1206784 4830652 848 Average: 9599199 14108788 1842504 11.25 199963 4341380 2251659 12.92 875284 5405279 19529 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1.26 1.26 0.12 0.12 0.00 0.00 0.00 0.00 20:40:09 ens3 110.10 84.82 542.86 21.33 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:16 lo 4800.59 4800.59 4578.36 4578.36 0.00 0.00 0.00 0.00 20:50:16 ens3 88.36 63.87 318.44 18.88 0.00 0.00 0.00 0.00 20:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:31 lo 3653.06 3653.06 3479.92 3479.92 0.00 0.00 0.00 0.00 21:00:31 ens3 94.52 74.30 102.33 52.40 0.00 0.00 0.00 0.00 21:00:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2832.98 2832.98 2700.12 2700.12 0.00 0.00 0.00 0.00 Average: ens3 97.60 74.29 319.24 31.02 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-28446) 06/18/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 63.60 0.00 2.14 0.06 0.10 34.09 20:40:09 0 65.33 0.00 2.04 0.03 0.10 32.50 20:40:09 1 63.58 0.00 2.36 0.10 0.10 33.86 20:40:09 2 62.73 0.00 2.15 0.06 0.10 34.96 20:40:09 3 62.77 0.00 2.01 0.07 0.10 35.05 20:50:16 all 58.96 0.00 3.85 2.33 0.11 34.75 20:50:16 0 59.35 0.00 3.57 3.22 0.10 33.76 20:50:16 1 58.63 0.00 3.85 1.98 0.11 35.44 20:50:16 2 59.64 0.00 4.05 1.69 0.10 34.52 20:50:16 3 58.24 0.00 3.95 2.42 0.11 35.28 21:00:31 all 57.40 0.00 3.46 0.30 0.09 38.75 21:00:31 0 56.50 0.00 3.44 0.20 0.08 39.78 21:00:31 1 57.51 0.00 3.50 0.14 0.09 38.76 21:00:31 2 58.59 0.00 3.23 0.16 0.09 37.93 21:00:31 3 57.00 0.00 3.66 0.73 0.09 38.52 Average: all 59.96 0.00 3.16 0.90 0.10 35.88 Average: 0 60.36 0.00 3.02 1.14 0.10 35.38 Average: 1 59.88 0.00 3.24 0.74 0.10 36.04 Average: 2 60.30 0.00 3.14 0.63 0.10 35.82 Average: 3 59.31 0.00 3.21 1.07 0.10 36.30