---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37133 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 12G 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 663 8875 4 6450 14983 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:2e:9f:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84045sec preferred_lft 84045sec inet6 fe80::f816:3eff:fe2e:9fc9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:51:34:e8:16:08 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-37133) 07/19/26 _x86_64_ (4 CPU) 05:21:22 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 24.24 0.03 21.58 2.63 0.68 2159.22 4526.73 05:50:01 27.17 0.03 24.52 2.62 0.39 4089.57 6771.97 06:00:01 11.91 0.17 10.02 1.72 12.29 5612.19 806.16 Average: 21.09 0.08 18.69 2.32 4.47 3963.14 4032.36 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8985008 12906116 3050308 18.63 146248 3871676 3280696 18.83 734916 6232752 184324 05:50:01 7935840 12635720 3317108 20.26 163824 4598760 3405188 19.55 978168 7006280 1640 06:00:01 9109256 15359160 588004 3.59 183520 6078504 1118568 6.42 1569364 5163592 11996 Average: 8676701 13633665 2318473 14.16 164531 4849647 2601484 14.93 1094149 6134208 65987 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1314.90 1314.90 1246.84 1246.84 0.00 0.00 0.00 0.00 05:40:01 ens3 44.42 33.07 23.35 10.94 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1006.80 1006.80 956.86 956.86 0.00 0.00 0.00 0.00 05:50:01 ens3 40.06 31.04 38.30 10.68 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 369.35 369.35 6842.06 6842.06 0.00 0.00 0.00 0.00 06:00:01 ens3 83.79 92.31 121.86 1003.85 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 894.81 894.81 3024.59 3024.59 0.00 0.00 0.00 0.00 Average: ens3 56.15 52.24 61.37 343.57 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-37133) 07/19/26 _x86_64_ (4 CPU) 05:21:22 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 64.86 0.00 2.44 0.15 0.13 32.42 05:40:01 0 65.22 0.00 2.21 0.11 0.14 32.33 05:40:01 1 64.97 0.00 2.46 0.18 0.13 32.26 05:40:01 2 65.94 0.00 2.57 0.12 0.13 31.23 05:40:01 3 63.30 0.00 2.53 0.18 0.13 33.86 05:50:01 all 55.16 0.00 2.25 1.84 0.29 40.46 05:50:01 0 55.31 0.00 2.00 1.70 0.35 40.64 05:50:01 1 56.06 0.00 2.30 4.33 0.32 37.00 05:50:01 2 54.17 0.00 2.43 1.02 0.24 42.13 05:50:01 3 55.10 0.00 2.28 0.29 0.26 42.08 06:00:01 all 28.99 0.00 1.19 0.77 0.13 68.93 06:00:01 0 29.54 0.00 1.04 2.29 0.10 67.02 06:00:01 1 21.90 0.00 1.54 0.09 0.16 76.30 06:00:01 2 27.11 0.00 0.96 0.22 0.14 71.57 06:00:01 3 37.37 0.00 1.20 0.47 0.11 60.86 Average: all 49.58 0.00 1.96 0.92 0.18 47.35 Average: 0 49.93 0.00 1.75 1.37 0.20 46.76 Average: 1 47.56 0.00 2.10 1.54 0.20 48.60 Average: 2 48.99 0.00 1.99 0.46 0.17 48.40 Average: 3 51.86 0.00 2.00 0.31 0.17 45.66