---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30447 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 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 609 10189 4 5190 15037 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:ef:5e:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84719sec preferred_lft 84719sec inet6 fe80::f816:3eff:feef:5e9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:b2:3c:2c:2b:f6 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-30447) 06/25/26 _x86_64_ (4 CPU) 09:55:30 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 22.71 0.49 8.59 13.63 393.49 1245.22 241145.43 10:20:12 14.58 0.52 13.17 0.89 19.04 2754.21 5089.22 Average: 18.68 0.51 10.86 7.32 207.96 1992.87 124187.51 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 8199128 11618904 4342108 26.52 120064 3452816 4523220 25.96 666460 7157552 840 10:20:12 8687596 12813376 3143392 19.20 138648 4102056 3394564 19.48 876676 6414452 266168 Average: 8443362 12216140 3742750 22.86 129356 3777436 3958892 22.72 771568 6786002 133504 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 10:10:12 ens3 32.97 25.33 289.85 3.55 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:12 lo 316.95 316.95 301.97 301.97 0.00 0.00 0.00 0.00 10:20:12 ens3 36.84 25.04 413.17 3.53 0.00 0.00 0.00 0.00 10:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 157.38 157.38 149.81 149.81 0.00 0.00 0.00 0.00 Average: ens3 34.89 25.18 350.95 3.54 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-30447) 06/25/26 _x86_64_ (4 CPU) 09:55:30 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 46.48 0.00 0.93 0.39 0.08 52.12 10:10:12 0 47.60 0.00 0.97 0.39 0.09 50.96 10:10:12 1 38.51 0.00 0.91 0.44 0.08 60.06 10:10:12 2 46.97 0.00 0.97 0.60 0.08 51.38 10:10:12 3 52.85 0.00 0.86 0.13 0.09 46.07 10:20:12 all 49.54 0.00 1.11 1.72 0.10 47.52 10:20:12 0 64.23 0.00 1.22 2.44 0.12 31.98 10:20:12 1 42.24 0.00 1.06 1.43 0.10 55.17 10:20:12 2 41.35 0.00 1.08 2.40 0.10 55.07 10:20:12 3 50.34 0.00 1.06 0.63 0.10 47.87 Average: all 48.00 0.00 1.02 1.05 0.09 49.84 Average: 0 55.84 0.00 1.09 1.40 0.11 41.56 Average: 1 40.36 0.00 0.99 0.93 0.09 57.64 Average: 2 44.19 0.00 1.03 1.49 0.09 53.21 Average: 3 51.61 0.00 0.96 0.38 0.10 46.96