---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6642 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 13G 66G 16% / 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 661 8728 4 6599 14985 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:2a:9a:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82234sec preferred_lft 82234sec inet6 fe80::f816:3eff:fe2a:9a28/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ca:ee:4e:c1:5b 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-6642) 04/22/26 _x86_64_ (4 CPU) 09:20:47 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:05 1.27 0.01 1.27 0.00 0.29 14.96 0.13 09:50:05 14.01 0.00 1.24 12.76 0.15 14.46 243064.27 10:00:01 50.42 5.19 43.18 2.06 295.77 5362.88 6507.56 10:10:04 23.64 0.02 20.93 2.68 0.37 2139.85 22117.99 10:20:06 26.44 0.04 23.83 2.58 0.74 4127.02 19836.28 10:30:06 14.89 0.32 12.57 2.00 14.11 6432.93 46416.33 Average: 21.72 0.92 17.13 3.68 51.46 3008.91 56263.76 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:05 13770020 15515016 504260 3.08 53984 1917984 1151852 6.61 192452 2167284 284 09:50:05 13764728 15515200 503964 3.08 54692 1922740 1131756 6.50 197940 2166740 264 10:00:01 9985156 13286384 2675600 16.34 125644 3318776 2871340 16.48 609760 5423072 63732 10:10:04 9645320 13319316 2637940 16.11 148128 3635428 2862340 16.43 729216 5589072 16548 10:20:06 7256196 11908540 4044656 24.70 162988 4556164 4154156 23.84 1003052 7655936 212 10:30:06 8929084 15332672 614128 3.75 182868 6229896 1129480 6.48 1671092 5262668 13216 Average: 10558417 14146188 1830091 11.18 121384 3596831 2216821 12.72 733919 4710795 15709 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:05 ens3 5.59 4.39 3.50 3.48 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:50:05 ens3 0.19 0.09 0.04 0.02 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 686.57 686.57 653.27 653.27 0.00 0.00 0.00 0.00 10:00:01 ens3 144.27 106.13 1267.36 24.65 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 lo 1313.94 1313.94 1246.17 1246.17 0.00 0.00 0.00 0.00 10:10:04 ens3 30.34 25.21 14.03 9.57 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:06 lo 1023.85 1023.85 967.51 967.51 0.00 0.00 0.00 0.00 10:20:06 ens3 38.00 30.72 47.84 10.55 0.00 0.00 0.00 0.00 10:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:06 lo 2464.51 2464.51 9287.11 9287.11 0.00 0.00 0.00 0.00 10:30:06 ens3 93.81 106.27 152.56 1072.35 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 914.71 914.71 2024.59 2024.59 0.00 0.00 0.00 0.00 Average: ens3 51.84 45.32 245.66 186.60 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-6642) 04/22/26 _x86_64_ (4 CPU) 09:20:47 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:05 all 0.21 0.00 0.05 0.01 0.01 99.72 09:40:05 0 0.05 0.00 0.03 0.00 0.00 99.91 09:40:05 1 0.17 0.00 0.06 0.00 0.01 99.75 09:40:05 2 0.32 0.00 0.07 0.03 0.01 99.57 09:40:05 3 0.30 0.00 0.03 0.00 0.01 99.65 09:50:05 all 0.15 0.00 0.04 0.04 0.01 99.76 09:50:05 0 0.02 0.00 0.03 0.15 0.00 99.80 09:50:05 1 0.46 0.00 0.03 0.00 0.01 99.50 09:50:05 2 0.07 0.00 0.06 0.00 0.02 99.85 09:50:05 3 0.04 0.00 0.03 0.02 0.01 99.90 10:00:01 all 39.17 0.00 1.85 0.29 0.09 58.59 10:00:01 0 40.57 0.00 1.63 0.08 0.10 57.62 10:00:01 1 37.87 0.00 1.71 0.12 0.10 60.22 10:00:01 2 39.70 0.00 2.28 0.54 0.09 57.39 10:00:01 3 38.56 0.00 1.79 0.43 0.09 59.13 10:10:04 all 66.16 0.00 2.33 0.04 0.14 31.33 10:10:04 0 66.40 0.00 2.44 0.03 0.14 30.99 10:10:04 1 65.18 0.00 1.95 0.04 0.14 32.70 10:10:04 2 66.51 0.00 2.60 0.05 0.14 30.69 10:10:04 3 66.56 0.00 2.33 0.04 0.14 30.93 10:20:06 all 54.36 0.00 2.24 0.08 0.13 43.19 10:20:06 0 53.54 0.00 2.55 0.10 0.13 43.68 10:20:06 1 56.29 0.00 2.29 0.06 0.13 41.24 10:20:06 2 54.90 0.00 2.03 0.08 0.13 42.87 10:20:06 3 52.71 0.00 2.10 0.09 0.13 44.98 10:30:06 all 32.83 0.00 1.32 0.12 0.09 65.64 10:30:06 0 32.54 0.00 1.32 0.10 0.09 65.96 10:30:06 1 25.98 0.00 1.08 0.03 0.08 72.83 10:30:06 2 39.74 0.00 1.30 0.18 0.09 58.70 10:30:06 3 33.08 0.00 1.58 0.19 0.09 65.06 Average: all 32.12 0.00 1.30 0.10 0.08 66.40 Average: 0 32.16 0.00 1.33 0.08 0.08 66.36 Average: 1 30.96 0.00 1.18 0.04 0.08 67.74 Average: 2 33.50 0.00 1.39 0.15 0.08 64.88 Average: 3 31.85 0.00 1.31 0.13 0.08 66.64