---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22829 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 676 10380 4 4932 14970 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:5e:7a:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83784sec preferred_lft 83784sec inet6 fe80::f816:3eff:fe5e:7ad5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:04:96:9a:6b:0d 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-22829) 06/02/26 _x86_64_ (4 CPU) 20:22:11 LINUX RESTART (4 CPU) 20:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:16 43.87 4.15 39.00 0.72 258.50 3973.99 1609.14 20:50:10 11.97 0.46 10.36 1.15 17.39 2344.42 2602.67 21:00:32 28.01 0.72 23.17 4.11 24.88 3723.79 4670.29 Average: 27.96 1.76 24.17 2.03 99.20 3353.73 2986.28 20:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:16 11374392 14408524 1555072 9.50 115872 3081432 2281688 13.10 526912 4136080 37208 20:50:10 9912184 13624024 2333140 14.25 146504 3661436 2569428 14.75 698236 5343176 29172 21:00:32 10679512 15370044 580588 3.55 173000 4548456 1107288 6.36 957972 4228852 228 Average: 10655363 14467531 1489600 9.10 145125 3763775 1986135 11.40 727707 4569369 22203 20:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:16 lo 0.44 0.44 0.04 0.04 0.00 0.00 0.00 0.00 20:40:16 ens3 111.40 83.70 974.98 15.18 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 20:50:10 ens3 59.96 48.57 102.27 17.77 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:32 lo 1626.95 1626.95 1544.72 1544.72 0.00 0.00 0.00 0.00 21:00:32 ens3 89.52 73.76 387.92 82.40 0.00 0.00 0.00 0.00 21:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 559.39 559.39 530.60 530.60 0.00 0.00 0.00 0.00 Average: ens3 87.02 68.77 487.20 39.11 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-22829) 06/02/26 _x86_64_ (4 CPU) 20:22:11 LINUX RESTART (4 CPU) 20:30:20 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 11.87 0.00 0.68 0.26 0.03 87.15 20:40:16 0 12.34 0.00 0.75 0.63 0.03 86.25 20:40:16 1 11.03 0.00 0.69 0.09 0.04 88.15 20:40:16 2 10.68 0.00 0.62 0.05 0.03 88.63 20:40:16 3 13.45 0.00 0.68 0.27 0.03 85.57 20:50:10 all 73.12 0.00 2.27 0.02 0.09 24.49 20:50:10 0 73.27 0.00 2.31 0.02 0.09 24.30 20:50:10 1 70.81 0.00 2.17 0.03 0.09 26.89 20:50:10 2 74.72 0.00 2.21 0.02 0.09 22.96 20:50:10 3 73.68 0.00 2.38 0.02 0.09 23.82 21:00:32 all 46.46 0.00 2.09 0.07 0.08 51.31 21:00:32 0 45.12 0.00 2.06 0.05 0.08 52.70 21:00:32 1 47.03 0.00 1.95 0.06 0.08 50.89 21:00:32 2 46.02 0.00 1.91 0.07 0.07 51.93 21:00:32 3 47.66 0.00 2.43 0.11 0.07 49.72 Average: all 43.81 0.00 1.68 0.12 0.07 54.32 Average: 0 43.56 0.00 1.71 0.23 0.07 54.43 Average: 1 42.98 0.00 1.61 0.06 0.07 55.28 Average: 2 43.79 0.00 1.58 0.05 0.06 54.52 Average: 3 44.92 0.00 1.84 0.13 0.07 53.04