---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28434 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 13G 65G 17% / 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 673 8279 4 7037 14973 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:08:db:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83828sec preferred_lft 83828sec inet6 fe80::f816:3eff:fe08:db12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:86:e2:5f:7d:6f 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-28434) 06/18/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:19 27.09 0.03 24.17 2.89 1.05 2315.38 6759.10 19:30:01 27.02 0.02 24.32 2.68 0.36 4181.29 8580.63 19:40:14 12.72 0.29 11.12 1.32 11.17 7428.94 1638.27 Average: 22.17 0.12 19.77 2.29 4.28 4663.83 5603.42 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:19 8752940 12738324 3217408 19.65 150160 3928432 3423452 19.65 773436 6423776 208776 19:30:01 7862776 12619804 3332792 20.36 165520 4650664 3343028 19.19 1005244 7034096 560 19:40:14 8522316 15368288 577600 3.53 183292 6653680 1120708 6.43 1756000 5543864 1516 Average: 8379344 13575472 2375933 14.51 166324 5077592 2629063 15.09 1178227 6333912 70284 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:19 lo 1431.66 1431.66 1358.61 1358.61 0.00 0.00 0.00 0.00 19:20:19 ens3 31.76 27.93 14.59 10.20 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1077.13 1077.13 1021.09 1021.09 0.00 0.00 0.00 0.00 19:30:01 ens3 42.98 33.96 29.85 11.94 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 2513.48 2513.48 9103.41 9103.41 0.00 0.00 0.00 0.00 19:40:14 ens3 30.62 30.35 151.81 204.05 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1685.62 1685.62 3890.04 3890.04 0.00 0.00 0.00 0.00 Average: ens3 35.01 30.71 66.33 76.86 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-28434) 06/18/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:19 all 63.76 0.00 2.31 0.06 0.10 33.77 19:20:19 0 64.21 0.00 2.32 0.08 0.10 33.30 19:20:19 1 62.75 0.00 2.27 0.08 0.10 34.80 19:20:19 2 64.62 0.00 2.38 0.04 0.10 32.86 19:20:19 3 63.47 0.00 2.27 0.04 0.10 34.12 19:30:01 all 52.42 0.00 2.16 1.29 0.10 44.04 19:30:01 0 54.10 0.00 2.26 1.22 0.10 42.32 19:30:01 1 51.82 0.00 2.10 1.58 0.10 44.40 19:30:01 2 51.77 0.00 2.32 1.74 0.09 44.08 19:30:01 3 51.97 0.00 1.97 0.59 0.10 45.37 19:40:14 all 31.86 0.00 1.29 2.31 0.08 64.47 19:40:14 0 28.11 0.00 0.87 0.33 0.07 70.63 19:40:14 1 36.93 0.00 1.31 1.38 0.08 60.31 19:40:14 2 24.66 0.00 1.96 4.63 0.08 68.66 19:40:14 3 37.74 0.00 1.03 2.89 0.08 58.26 Average: all 49.18 0.00 1.91 1.22 0.09 47.59 Average: 0 48.59 0.00 1.80 0.53 0.09 48.98 Average: 1 50.39 0.00 1.88 1.01 0.09 46.62 Average: 2 46.80 0.00 2.22 2.16 0.09 48.74 Average: 3 50.96 0.00 1.75 1.19 0.09 46.01