---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12902 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 13G 65G 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 684 8351 4 6953 14962 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:4d:2b:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84123sec preferred_lft 84123sec inet6 fe80::f816:3eff:fe4d:2bd2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:a1:e6:59:98:c4 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-12902) 05/12/26 _x86_64_ (4 CPU) 06:14:19 LINUX RESTART (4 CPU) 06:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:09 20.64 0.08 18.18 2.39 6.36 2055.61 6146.45 06:40:09 33.37 0.02 29.97 3.38 0.60 4543.79 10561.69 06:50:09 10.96 0.31 9.41 1.24 11.61 7679.85 1614.30 Average: 21.65 0.14 19.17 2.33 6.19 4757.15 6103.71 06:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:09 9279236 12934668 3023164 18.46 145044 3622032 3291208 18.89 719436 5981548 20148 06:40:09 7739108 12422500 3530524 21.56 165172 4584544 3471284 19.93 1004044 7184472 2316 06:50:09 8580508 15340824 604924 3.69 185772 6573900 1113816 6.39 1758660 5490504 44 Average: 8532951 13565997 2386204 14.57 165329 4926825 2625436 15.07 1160713 6218841 7503 06:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:09 lo 1120.18 1120.18 1060.92 1060.92 0.00 0.00 0.00 0.00 06:30:09 ens3 41.02 32.21 44.70 11.09 0.00 0.00 0.00 0.00 06:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:09 lo 1375.00 1375.00 1309.20 1309.20 0.00 0.00 0.00 0.00 06:40:09 ens3 42.71 32.64 29.22 11.83 0.00 0.00 0.00 0.00 06:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 2447.84 2447.84 9276.29 9276.29 0.00 0.00 0.00 0.00 06:50:09 ens3 62.78 71.78 138.69 860.55 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1647.36 1647.36 3881.43 3881.43 0.00 0.00 0.00 0.00 Average: ens3 48.83 45.54 70.88 294.44 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-12902) 05/12/26 _x86_64_ (4 CPU) 06:14:19 LINUX RESTART (4 CPU) 06:20:07 CPU %user %nice %system %iowait %steal %idle 06:30:09 all 66.90 0.00 2.29 0.18 0.17 30.46 06:30:09 0 66.86 0.00 2.34 0.04 0.14 30.62 06:30:09 1 66.94 0.00 2.41 0.10 0.14 30.41 06:30:09 2 68.59 0.00 2.21 0.52 0.21 28.47 06:30:09 3 65.21 0.00 2.20 0.05 0.21 32.32 06:40:09 all 63.69 0.00 2.59 0.12 0.12 33.48 06:40:09 0 63.39 0.00 2.52 0.06 0.12 33.90 06:40:09 1 63.21 0.00 2.84 0.27 0.12 33.56 06:40:09 2 65.21 0.00 2.63 0.09 0.12 31.95 06:40:09 3 62.97 0.00 2.34 0.08 0.12 34.49 06:50:09 all 35.40 0.00 1.37 0.14 0.09 63.01 06:50:09 0 31.53 0.00 1.58 0.14 0.08 66.66 06:50:09 1 38.31 0.00 1.24 0.05 0.09 60.32 06:50:09 2 34.02 0.00 0.97 0.27 0.09 64.65 06:50:09 3 37.74 0.00 1.70 0.09 0.09 60.39 Average: all 55.31 0.00 2.08 0.15 0.13 42.33 Average: 0 53.90 0.00 2.15 0.08 0.12 43.75 Average: 1 56.14 0.00 2.16 0.14 0.12 41.44 Average: 2 55.92 0.00 1.94 0.29 0.14 41.72 Average: 3 55.28 0.00 2.08 0.07 0.14 42.42