---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36710 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 759 9375 4 5854 14887 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:e7:e1:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83980sec preferred_lft 83980sec inet6 fe80::f816:3eff:fee7:e1f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:73:8e:d1:fb:5c 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-36710) 07/17/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 33.81 0.79 17.99 15.02 25.49 4904.93 241935.48 20:50:00 57.68 0.00 45.86 11.82 0.00 3099.50 41239.73 21:00:11 32.03 0.14 26.89 5.00 9.63 4704.27 13462.85 Average: 41.01 0.31 30.12 10.58 11.78 4246.77 98849.24 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9140752 13396336 2556280 15.61 184464 4119812 2978968 17.10 750356 6018056 237588 20:50:00 8794500 13293996 2655232 16.22 205784 4315312 2816024 16.16 836784 6245140 44968 21:00:11 9720244 15348416 596328 3.64 239800 5349100 1102192 6.33 1210284 4858320 4 Average: 9218499 14012916 1935947 11.82 210016 4594741 2299061 13.20 932475 5707172 94187 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 209.95 209.95 199.02 199.02 0.00 0.00 0.00 0.00 20:40:11 ens3 103.37 76.42 335.66 20.87 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5902.77 5902.77 5629.71 5629.71 0.00 0.00 0.00 0.00 20:50:00 ens3 85.99 65.45 28.18 21.29 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 2380.01 2380.01 2258.60 2258.60 0.00 0.00 0.00 0.00 21:00:11 ens3 99.55 86.61 111.93 126.08 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 2806.64 2806.64 2672.57 2672.57 0.00 0.00 0.00 0.00 Average: ens3 96.39 76.29 159.28 56.69 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-36710) 07/17/26 _x86_64_ (4 CPU) 20:24:22 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 69.52 0.00 2.44 0.14 0.11 27.78 20:40:11 0 67.23 0.00 1.98 0.11 0.11 30.57 20:40:11 1 69.73 0.00 2.43 0.17 0.11 27.56 20:40:11 2 69.67 0.00 2.84 0.16 0.11 27.22 20:40:11 3 71.47 0.00 2.52 0.13 0.11 25.77 20:50:00 all 61.42 0.00 4.23 0.41 0.11 33.84 20:50:00 0 59.86 0.00 4.11 0.64 0.11 35.29 20:50:00 1 61.52 0.00 4.10 0.40 0.11 33.87 20:50:00 2 62.36 0.00 4.00 0.33 0.10 33.21 20:50:00 3 61.92 0.00 4.70 0.26 0.10 33.01 21:00:11 all 44.45 0.00 2.53 0.54 0.08 52.40 21:00:11 0 46.12 0.00 2.48 0.27 0.07 51.05 21:00:11 1 45.36 0.00 2.61 0.60 0.08 51.34 21:00:11 2 44.32 0.00 2.58 1.09 0.08 51.93 21:00:11 3 42.00 0.00 2.45 0.19 0.08 55.28 Average: all 58.37 0.00 3.05 0.36 0.10 38.12 Average: 0 57.67 0.00 2.85 0.34 0.10 39.05 Average: 1 58.78 0.00 3.03 0.39 0.10 37.69 Average: 2 58.66 0.00 3.13 0.53 0.10 37.57 Average: 3 58.35 0.00 3.20 0.20 0.10 38.15