---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38132 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 68G 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 649 10505 4 4833 14996 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:5b:88:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84432sec preferred_lft 84432sec inet6 fe80::f816:3eff:fe5b:889b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:84:eb:f7:36:8d 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-38132) 07/23/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:10 15.87 2.85 12.51 0.51 161.84 3286.91 1250.36 15:50:03 23.91 0.48 8.53 14.90 18.09 2026.03 243449.33 16:00:10 29.71 0.55 25.03 4.13 21.81 3709.78 4985.40 Average: 23.18 1.30 15.42 6.47 67.31 3014.09 82281.40 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:10 10916604 13992232 1970076 12.03 119008 3104236 2673576 15.35 496272 4609564 34580 15:50:03 9967036 13627488 2329516 14.23 147400 3604288 2597712 14.91 653628 5334620 28924 16:00:10 10824780 15415156 535180 3.27 172104 4448860 1032260 5.93 906992 4116912 3216 Average: 10569473 14344959 1611591 9.84 146171 3719128 2101183 12.06 685631 4687032 22240 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:10 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 15:40:10 ens3 71.80 57.16 683.61 11.50 0.00 0.00 0.00 0.00 15:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:03 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:50:03 ens3 64.03 50.49 102.89 17.05 0.00 0.00 0.00 0.00 15:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:10 lo 1653.19 1653.19 1563.10 1563.10 0.00 0.00 0.00 0.00 16:00:10 ens3 126.25 109.19 417.03 189.38 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 557.66 557.66 526.71 526.71 0.00 0.00 0.00 0.00 Average: ens3 87.58 72.49 402.53 73.26 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-38132) 07/23/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:10 all 27.02 0.00 1.02 0.56 0.08 71.31 15:40:10 0 27.54 0.00 1.04 0.54 0.08 70.80 15:40:10 1 26.62 0.00 0.92 0.85 0.08 71.52 15:40:10 2 27.55 0.00 1.03 0.54 0.09 70.80 15:40:10 3 26.38 0.00 1.10 0.31 0.09 72.13 15:50:03 all 71.43 0.00 2.29 0.17 0.19 25.91 15:50:03 0 73.47 0.00 2.32 0.17 0.18 23.87 15:50:03 1 69.55 0.00 2.16 0.15 0.21 27.92 15:50:03 2 73.28 0.00 2.52 0.13 0.22 23.85 15:50:03 3 69.44 0.00 2.18 0.22 0.17 28.00 16:00:10 all 46.17 0.00 2.18 0.09 0.11 51.45 16:00:10 0 45.46 0.00 2.18 0.17 0.12 52.08 16:00:10 1 49.27 0.00 2.14 0.07 0.11 48.40 16:00:10 2 46.93 0.00 2.44 0.03 0.11 50.49 16:00:10 3 43.02 0.00 1.96 0.07 0.10 54.84 Average: all 48.09 0.00 1.83 0.27 0.13 49.67 Average: 0 48.69 0.00 1.85 0.29 0.12 49.05 Average: 1 48.39 0.00 1.74 0.36 0.13 49.37 Average: 2 49.13 0.00 1.99 0.23 0.14 48.50 Average: 3 46.16 0.00 1.74 0.20 0.12 51.78