---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9963 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 687 9352 4 5949 14959 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:c9:7d:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84611sec preferred_lft 84611sec inet6 fe80::f816:3eff:fec9:7da4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:4b:6a:0b:67:e4 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-9963) 04/30/26 _x86_64_ (4 CPU) 16:39:19 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:01 60.60 4.43 52.19 3.98 265.90 5742.67 36972.96 17:00:04 17.65 0.15 15.02 2.48 4.66 1649.98 26826.96 Average: 39.08 2.29 33.56 3.23 134.98 3691.58 31888.19 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:01 9907252 13391440 2567088 15.68 128308 3481124 2908944 16.70 693836 5384140 34804 17:00:04 9471456 13399600 2555408 15.61 150556 3871148 3073460 17.64 818660 5668736 82468 Average: 9689354 13395520 2561248 15.64 139432 3676136 2991202 17.17 756248 5526438 58636 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:01 lo 17.72 17.72 3.84 3.84 0.00 0.00 0.00 0.00 16:50:01 ens3 98.86 77.42 909.00 14.81 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:04 lo 861.93 861.93 788.71 788.71 0.00 0.00 0.00 0.00 17:00:04 ens3 39.08 27.28 244.56 6.00 0.00 0.00 0.00 0.00 17:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 440.80 440.80 397.18 397.18 0.00 0.00 0.00 0.00 Average: ens3 68.90 52.29 576.01 10.39 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-9963) 04/30/26 _x86_64_ (4 CPU) 16:39:19 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:01 all 37.27 0.00 1.67 0.34 0.08 60.64 16:50:01 0 38.04 0.00 1.90 0.44 0.09 59.53 16:50:01 1 37.45 0.00 1.65 0.12 0.08 60.70 16:50:01 2 38.22 0.00 1.64 0.15 0.08 59.91 16:50:01 3 35.38 0.00 1.47 0.67 0.08 62.40 17:00:04 all 23.94 0.00 1.33 0.06 0.08 74.59 17:00:04 0 23.51 0.00 1.33 0.11 0.09 74.96 17:00:04 1 24.79 0.00 1.45 0.03 0.08 73.65 17:00:04 2 24.15 0.00 1.28 0.05 0.08 74.43 17:00:04 3 23.30 0.00 1.25 0.03 0.08 75.33 Average: all 30.60 0.00 1.50 0.20 0.08 67.63 Average: 0 30.77 0.00 1.61 0.27 0.09 67.26 Average: 1 31.11 0.00 1.55 0.07 0.08 67.19 Average: 2 31.18 0.00 1.46 0.10 0.08 67.18 Average: 3 29.33 0.00 1.36 0.35 0.08 68.88