---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-641 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 11G 67G 14% / 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 654 10297 4 5037 14992 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:42:be:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fe42:be94/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:0d:82:2c:0e:31 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-641) 07/30/26 _x86_64_ (4 CPU) 16:48:27 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:06 16.29 1.54 13.89 0.86 77.26 3170.92 23029.90 17:10:06 27.18 1.90 10.32 14.96 127.33 2619.43 240196.47 17:20:01 32.79 0.64 27.75 4.40 25.29 4257.30 4621.77 Average: 25.38 1.36 17.29 6.73 76.76 3346.39 89319.49 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:06 12085456 15018092 945928 5.78 114848 2987956 1483872 8.52 405440 3540928 50388 17:10:06 9763096 13515608 2440864 14.91 148140 3698880 2792812 16.03 644148 5550876 54592 17:20:01 10606224 15403984 545204 3.33 176708 4645660 1116180 6.41 924172 4342004 228 Average: 10818259 14645895 1310665 8.01 146565 3777499 1797621 10.32 657920 4477936 35069 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:06 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 17:00:06 ens3 67.19 50.86 937.93 7.01 0.00 0.00 0.00 0.00 17:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:06 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 17:10:06 ens3 88.17 66.12 263.93 19.14 0.00 0.00 0.00 0.00 17:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 1813.66 1813.66 1722.94 1722.94 0.00 0.00 0.00 0.00 17:20:01 ens3 99.10 80.46 415.35 82.92 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 600.36 600.36 569.84 569.84 0.00 0.00 0.00 0.00 Average: ens3 84.74 65.74 540.48 36.16 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-641) 07/30/26 _x86_64_ (4 CPU) 16:48:27 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:06 all 3.88 0.00 0.43 0.14 0.03 95.52 17:00:06 0 2.86 0.00 0.42 0.14 0.02 96.56 17:00:06 1 5.12 0.00 0.42 0.05 0.02 94.38 17:00:06 2 4.28 0.00 0.46 0.31 0.02 94.93 17:00:06 3 3.26 0.00 0.41 0.07 0.03 96.22 17:10:06 all 72.16 0.00 2.21 0.06 0.10 25.48 17:10:06 0 70.92 0.00 2.12 0.04 0.10 26.82 17:10:06 1 71.20 0.00 1.99 0.02 0.10 26.69 17:10:06 2 72.35 0.00 2.38 0.06 0.10 25.11 17:10:06 3 74.16 0.00 2.35 0.10 0.10 23.29 17:20:01 all 56.22 0.00 2.37 0.08 0.08 41.25 17:20:01 0 55.89 0.00 2.30 0.13 0.08 41.59 17:20:01 1 57.00 0.00 2.60 0.05 0.08 40.27 17:20:01 2 55.27 0.00 1.99 0.06 0.08 42.60 17:20:01 3 56.72 0.00 2.59 0.09 0.08 40.52 Average: all 43.92 0.00 1.66 0.09 0.07 54.25 Average: 0 43.05 0.00 1.61 0.11 0.07 55.17 Average: 1 44.27 0.00 1.67 0.04 0.07 53.95 Average: 2 43.81 0.00 1.60 0.15 0.07 54.37 Average: 3 44.56 0.00 1.78 0.09 0.07 53.51