---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11176 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 11G 67G 14% / 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 657 10414 4 4917 14989 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:a1:09:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84698sec preferred_lft 84698sec inet6 fe80::f816:3eff:fea1:99c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:98:44:19:48:c1 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-11176) 05/06/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 6.74 0.16 6.13 0.44 10.93 894.80 249.17 00:50:10 16.00 0.52 14.36 1.12 18.96 2430.25 6914.98 Average: 11.42 0.34 10.29 0.79 14.99 1671.31 3620.23 00:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 7940692 11037256 4925192 30.08 115028 3144112 5042336 28.94 529432 7559420 216 00:50:10 10047804 13598460 2360044 14.41 138500 3544036 2508512 14.40 711732 5231192 13800 Average: 8994248 12317858 3642618 22.25 126764 3344074 3775424 21.67 620582 6395306 7008 00:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:07 ens3 15.88 10.53 122.85 2.24 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:10 lo 323.26 323.26 307.46 307.46 0.00 0.00 0.00 0.00 00:50:10 ens3 45.07 31.00 409.86 5.35 0.00 0.00 0.00 0.00 00:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 163.79 163.79 155.68 155.68 0.00 0.00 0.00 0.00 Average: ens3 30.64 20.88 268.00 3.81 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-11176) 05/06/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:19 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 45.07 0.00 0.73 1.78 0.08 52.34 00:40:07 0 43.94 0.00 0.69 2.70 0.07 52.60 00:40:07 1 51.62 0.00 0.88 2.29 0.08 45.14 00:40:07 2 38.30 0.00 0.60 2.09 0.08 58.93 00:40:07 3 46.42 0.00 0.74 0.04 0.08 52.72 00:50:10 all 51.50 0.00 1.14 0.72 0.09 46.54 00:50:10 0 46.80 0.00 1.01 0.87 0.09 51.23 00:50:10 1 38.23 0.00 1.14 0.84 0.08 59.72 00:50:10 2 49.83 0.00 1.09 0.56 0.09 48.43 00:50:10 3 71.16 0.00 1.33 0.62 0.11 26.79 Average: all 48.32 0.00 0.94 1.24 0.09 49.41 Average: 0 45.39 0.00 0.85 1.77 0.08 51.91 Average: 1 44.85 0.00 1.01 1.55 0.08 52.50 Average: 2 44.13 0.00 0.85 1.32 0.09 53.62 Average: 3 58.91 0.00 1.03 0.33 0.09 39.63