---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11569 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 66G 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 685 9340 4 5963 14961 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:f7:c9:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84279sec preferred_lft 84279sec inet6 fe80::f816:3eff:fef7:c95d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:e2:5b:86:ee:3c 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-11569) 05/07/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:11 23.07 0.76 19.02 3.29 28.97 2837.48 51210.52 01:30:11 22.48 0.16 19.15 3.17 4.91 1821.76 31043.30 01:40:12 19.58 0.44 16.82 2.32 14.94 6861.03 3296.19 Average: 21.71 0.45 18.33 2.93 16.27 3841.23 28511.91 01:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:11 9516144 13050180 2908024 17.76 131252 3523456 3232532 18.55 705176 5758768 28 01:30:11 9087632 13019344 2935480 17.93 152192 3870556 3179496 18.25 839188 6029484 14228 01:40:12 9615044 15364248 582084 3.56 172864 5589616 1104852 6.34 1595892 4626732 108 Average: 9406273 13811257 2141863 13.08 152103 4327876 2505627 14.38 1046752 5471661 4788 01:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:11 lo 30.07 30.07 6.73 6.73 0.00 0.00 0.00 0.00 01:20:11 ens3 34.88 26.11 227.89 7.03 0.00 0.00 0.00 0.00 01:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:11 lo 1276.96 1276.96 1190.94 1190.94 0.00 0.00 0.00 0.00 01:30:11 ens3 39.81 28.74 264.99 7.30 0.00 0.00 0.00 0.00 01:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:12 lo 1203.80 1203.80 1167.05 1167.05 0.00 0.00 0.00 0.00 01:40:12 ens3 70.63 77.09 213.38 862.44 0.00 0.00 0.00 0.00 01:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.86 836.86 788.17 788.17 0.00 0.00 0.00 0.00 Average: ens3 48.45 43.99 235.41 292.44 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-11569) 05/07/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:10 CPU %user %nice %system %iowait %steal %idle 01:20:11 all 35.64 0.00 1.35 0.14 0.08 62.79 01:20:11 0 35.64 0.00 1.60 0.06 0.08 62.62 01:20:11 1 36.92 0.00 1.19 0.11 0.08 61.69 01:20:11 2 34.40 0.00 1.50 0.31 0.08 63.71 01:20:11 3 35.58 0.00 1.12 0.07 0.08 63.15 01:30:11 all 31.29 0.00 1.62 0.06 0.08 66.96 01:30:11 0 30.71 0.00 1.63 0.10 0.08 67.48 01:30:11 1 31.45 0.00 1.62 0.03 0.08 66.81 01:30:11 2 32.20 0.00 1.47 0.03 0.08 66.23 01:30:11 3 30.78 0.00 1.77 0.07 0.08 67.30 01:40:12 all 26.14 0.00 1.43 0.11 0.05 72.27 01:40:12 0 24.30 0.00 1.23 0.02 0.05 74.40 01:40:12 1 27.01 0.00 1.72 0.12 0.06 71.09 01:40:12 2 24.28 0.00 1.31 0.21 0.06 74.15 01:40:12 3 28.98 0.00 1.46 0.07 0.05 69.44 Average: all 31.02 0.00 1.47 0.10 0.07 67.34 Average: 0 30.22 0.00 1.49 0.06 0.07 68.17 Average: 1 31.79 0.00 1.51 0.09 0.07 66.54 Average: 2 30.29 0.00 1.42 0.18 0.07 68.03 Average: 3 31.78 0.00 1.45 0.07 0.07 66.63