---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7157 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 12G 67G 15% / 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 744 9381 4 5862 14902 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:d4:17:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84006sec preferred_lft 84006sec inet6 fe80::f816:3eff:fed4:17e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:6c:41:fd:82:8a 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-7157) 04/23/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:10 18.22 1.84 15.24 1.14 123.97 4484.23 2910.04 20:50:11 73.63 0.22 47.74 25.67 6.31 3735.56 246035.73 21:00:11 30.97 0.30 25.75 4.92 11.79 4732.19 5642.38 Average: 40.96 0.79 29.59 10.58 47.30 4317.13 84941.93 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:10 9178752 13427152 2526596 15.43 178120 4127656 3025496 17.37 759040 5961484 414032 20:50:11 8793740 13312084 2637092 16.11 208864 4336116 3160356 18.14 899476 6174740 45908 21:00:11 9731704 15368408 576780 3.52 241776 5363076 1114260 6.40 1271280 4798220 4 Average: 9234732 14035881 1913489 11.69 209587 4608949 2433371 13.97 976599 5644815 153315 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:10 lo 13.83 13.83 11.99 11.99 0.00 0.00 0.00 0.00 20:40:10 ens3 109.04 79.08 357.05 21.24 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5981.43 5981.43 5703.76 5703.76 0.00 0.00 0.00 0.00 20:50:11 ens3 77.73 59.51 26.92 20.33 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 2266.97 2266.97 2150.67 2150.67 0.00 0.00 0.00 0.00 21:00:11 ens3 97.77 88.76 110.65 149.20 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2756.37 2756.37 2624.33 2624.33 0.00 0.00 0.00 0.00 Average: ens3 94.83 75.78 164.72 63.61 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-7157) 04/23/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:10 all 69.67 0.00 2.34 0.18 0.10 27.71 20:40:10 0 70.22 0.00 2.19 0.06 0.10 27.43 20:40:10 1 67.43 0.00 2.08 0.03 0.10 30.35 20:40:10 2 69.35 0.00 2.62 0.31 0.10 27.62 20:40:10 3 71.68 0.00 2.46 0.32 0.10 25.44 20:50:11 all 61.92 0.00 4.22 0.10 0.09 33.67 20:50:11 0 61.42 0.00 4.48 0.06 0.09 33.94 20:50:11 1 62.69 0.00 4.11 0.09 0.10 33.01 20:50:11 2 62.20 0.00 4.56 0.13 0.09 33.01 20:50:11 3 61.36 0.00 3.71 0.13 0.09 34.71 21:00:11 all 45.18 0.00 2.57 0.08 0.08 52.09 21:00:11 0 40.98 0.00 2.65 0.12 0.08 56.17 21:00:11 1 46.42 0.00 2.35 0.06 0.08 51.09 21:00:11 2 45.89 0.00 2.59 0.09 0.08 51.35 21:00:11 3 47.42 0.00 2.71 0.05 0.09 49.73 Average: all 58.92 0.00 3.04 0.12 0.09 37.83 Average: 0 57.53 0.00 3.11 0.08 0.09 39.19 Average: 1 58.84 0.00 2.85 0.06 0.09 38.16 Average: 2 59.14 0.00 3.26 0.18 0.09 37.34 Average: 3 60.15 0.00 2.96 0.17 0.09 36.63