---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30513 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 706 10336 4 4946 14940 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:92:44:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fe92:44ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:9c:6d:00:ac:d0 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-30513) 06/25/26 _x86_64_ (4 CPU) 15:58:19 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:09 35.27 3.12 17.51 14.63 370.05 4678.91 238967.41 16:20:08 26.42 0.67 22.55 3.21 21.49 2842.60 4792.47 Average: 30.88 1.91 20.01 8.96 197.08 3767.65 122759.34 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:09 10213928 13770384 2187872 13.36 140340 3527956 2556040 14.67 645280 5121812 34216 16:20:08 9231040 13488448 2463272 15.04 167392 4140036 2616276 15.02 836060 5837572 11568 Average: 9722484 13629416 2325572 14.20 153866 3833996 2586158 14.84 740670 5479692 22892 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:09 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 16:10:09 ens3 122.41 96.32 767.33 22.95 0.00 0.00 0.00 0.00 16:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:08 lo 2583.54 2583.54 2465.19 2465.19 0.00 0.00 0.00 0.00 16:20:08 ens3 71.65 53.96 329.12 14.57 0.00 0.00 0.00 0.00 16:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1282.78 1282.78 1223.41 1223.41 0.00 0.00 0.00 0.00 Average: ens3 97.22 75.30 549.87 18.80 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-30513) 06/25/26 _x86_64_ (4 CPU) 15:58:19 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:09 all 67.59 0.00 2.30 0.11 0.13 29.86 16:10:09 0 67.55 0.00 2.35 0.22 0.13 29.75 16:10:09 1 69.38 0.00 2.10 0.10 0.13 28.29 16:10:09 2 66.53 0.00 2.36 0.04 0.14 30.94 16:10:09 3 66.91 0.00 2.38 0.09 0.14 30.47 16:20:08 all 55.01 0.00 2.93 4.33 0.47 37.27 16:20:08 0 54.14 0.00 2.60 8.30 0.50 34.46 16:20:08 1 55.40 0.00 2.77 5.74 0.32 35.77 16:20:08 2 57.34 0.00 2.99 1.48 0.55 37.64 16:20:08 3 53.13 0.00 3.34 1.79 0.51 41.23 Average: all 61.35 0.00 2.61 2.20 0.30 33.54 Average: 0 60.90 0.00 2.47 4.23 0.31 32.09 Average: 1 62.46 0.00 2.43 2.89 0.22 32.00 Average: 2 61.96 0.00 2.67 0.76 0.34 34.27 Average: 3 60.08 0.00 2.86 0.94 0.32 35.80