---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11975 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: 5600.00 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 634 10461 4 4893 15012 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:d8:98:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84720sec preferred_lft 84720sec inet6 fe80::f816:3eff:fed8:980e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:4e:5d:7d:b7:44 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-11975) 05/08/26 _x86_64_ (4 CPU) 09:57:49 LINUX RESTART (4 CPU) 10:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:18 27.28 3.12 10.85 13.31 359.90 3540.00 234817.15 10:20:09 3.66 0.03 3.52 0.11 1.21 328.32 60.50 Average: 15.70 1.60 7.26 6.84 183.95 1964.58 119662.70 10:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:18 9622728 12732424 3231024 19.73 113420 3160740 3463448 19.88 559172 5850376 368 10:20:09 10259296 13487932 2474624 15.11 117196 3266572 2699520 15.50 585896 5175836 33812 Average: 9941012 13110178 2852824 17.42 115308 3213656 3081484 17.69 572534 5513106 17090 10:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:18 lo 0.44 0.44 0.04 0.04 0.00 0.00 0.00 0.00 10:10:18 ens3 68.82 54.53 760.95 8.42 0.00 0.00 0.00 0.00 10:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:09 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 10:20:09 ens3 6.12 4.75 29.46 1.05 0.00 0.00 0.00 0.00 10:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 38.07 30.11 402.13 4.80 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-11975) 05/08/26 _x86_64_ (4 CPU) 09:57:49 LINUX RESTART (4 CPU) 10:00:04 CPU %user %nice %system %iowait %steal %idle 10:10:18 all 49.50 0.00 1.00 0.09 0.09 49.31 10:10:18 0 44.86 0.00 1.08 0.09 0.09 53.87 10:10:18 1 42.66 0.00 0.96 0.10 0.09 56.19 10:10:18 2 53.65 0.00 0.97 0.11 0.09 45.19 10:10:18 3 56.86 0.00 1.01 0.05 0.09 41.99 10:20:09 all 46.73 0.00 0.46 0.02 0.08 52.71 10:20:09 0 30.79 0.00 0.45 0.03 0.08 68.65 10:20:09 1 48.96 0.00 0.43 0.03 0.08 50.51 10:20:09 2 31.53 0.00 0.41 0.00 0.07 67.99 10:20:09 3 75.73 0.00 0.55 0.02 0.09 23.61 Average: all 48.14 0.00 0.74 0.06 0.09 50.98 Average: 0 37.95 0.00 0.77 0.06 0.08 61.13 Average: 1 45.75 0.00 0.70 0.07 0.08 53.41 Average: 2 42.77 0.00 0.69 0.06 0.08 56.40 Average: 3 66.12 0.00 0.78 0.04 0.09 32.97