---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25645 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 654 10366 4 4968 14992 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:ae:13:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84414sec preferred_lft 84414sec inet6 fe80::f816:3eff:feae:1340/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:f6:fb:b2:5f:06 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-25645) 06/07/26 _x86_64_ (4 CPU) 15:27:02 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:04 24.29 2.00 8.68 13.61 126.82 1751.68 239777.42 15:50:01 11.96 0.46 10.35 1.15 17.72 2313.30 2186.86 16:00:01 47.28 12.60 29.53 5.15 157.99 3882.00 4413.90 Average: 27.87 5.02 16.18 6.66 101.03 2648.01 82543.97 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:04 11001316 14087576 1874500 11.45 119224 3121424 2359748 13.54 514544 4512976 48404 15:50:01 9865996 13608740 2347308 14.34 149720 3683416 2597760 14.91 682688 5397400 29124 16:00:01 10615392 15348700 600160 3.67 178784 4569700 1133948 6.51 985552 4259228 13492 Average: 10494235 14348339 1607323 9.82 149243 3791513 2030485 11.65 727595 4723201 30340 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:04 lo 0.38 0.38 0.04 0.04 0.00 0.00 0.00 0.00 15:40:04 ens3 66.76 53.13 757.94 8.57 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 15:50:01 ens3 71.07 55.07 103.46 18.29 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1688.15 1688.15 1596.44 1596.44 0.00 0.00 0.00 0.00 16:00:01 ens3 124.03 113.81 417.30 192.21 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 563.32 563.32 532.20 532.20 0.00 0.00 0.00 0.00 Average: ens3 87.28 74.00 427.39 73.01 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-25645) 06/07/26 _x86_64_ (4 CPU) 15:27:02 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:04 all 16.51 0.00 0.70 0.09 0.04 82.67 15:40:04 0 15.87 0.00 0.72 0.06 0.03 83.33 15:40:04 1 16.84 0.00 0.64 0.05 0.05 82.42 15:40:04 2 16.46 0.00 0.61 0.08 0.04 82.81 15:40:04 3 16.88 0.00 0.82 0.16 0.03 82.11 15:50:01 all 72.36 0.00 2.27 0.03 0.09 25.24 15:50:01 0 70.43 0.00 1.97 0.02 0.09 27.48 15:50:01 1 75.91 0.00 2.48 0.04 0.09 21.48 15:50:01 2 69.62 0.00 2.24 0.03 0.09 28.01 15:50:01 3 73.50 0.00 2.38 0.04 0.09 23.99 16:00:01 all 45.81 0.07 2.22 0.15 0.08 51.65 16:00:01 0 40.50 0.11 2.32 0.12 0.09 56.86 16:00:01 1 50.21 0.02 2.36 0.11 0.09 47.22 16:00:01 2 46.88 0.12 2.18 0.11 0.08 50.63 16:00:01 3 45.68 0.04 2.03 0.28 0.08 51.89 Average: all 44.77 0.02 1.72 0.09 0.07 53.32 Average: 0 42.15 0.04 1.67 0.06 0.07 56.01 Average: 1 47.53 0.01 1.82 0.07 0.08 50.50 Average: 2 44.18 0.04 1.67 0.08 0.07 53.97 Average: 3 45.23 0.01 1.74 0.16 0.07 52.79