---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34874 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 10G 68G 13% / 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 674 10842 4 4472 14971 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:2a:f8:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84737sec preferred_lft 84737sec inet6 fe80::f816:3eff:fe2a:f891/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:78:1e:09:98:a6 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-34874) 07/11/26 _x86_64_ (4 CPU) 20:53:19 LINUX RESTART (4 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 51.57 2.60 41.55 7.43 143.94 4396.53 31249.51 21:20:08 30.63 0.16 24.77 5.71 9.84 3306.50 9681.14 Average: 40.97 1.36 33.06 6.56 76.07 3844.89 20334.34 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10095800 13707428 2250224 13.74 160864 3558912 2487052 14.28 622016 5247668 144244 21:20:08 11200540 15417416 534744 3.27 200268 4071652 1044172 5.99 821088 3869852 3004 Average: 10648170 14562422 1392484 8.50 180566 3815282 1765612 10.13 721552 4558760 73624 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4012.39 4012.39 3826.50 3826.50 0.00 0.00 0.00 0.00 21:10:01 ens3 162.44 123.12 793.66 31.29 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 2125.13 2125.13 2007.61 2007.61 0.00 0.00 0.00 0.00 21:20:08 ens3 147.78 129.28 130.28 182.87 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3057.30 3057.30 2906.01 2906.01 0.00 0.00 0.00 0.00 Average: ens3 155.02 126.24 457.94 108.00 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-34874) 07/11/26 _x86_64_ (4 CPU) 20:53:19 LINUX RESTART (4 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 59.70 0.00 3.49 0.13 0.08 36.61 21:10:01 0 58.86 0.00 3.49 0.11 0.07 37.47 21:10:01 1 59.80 0.00 3.40 0.09 0.08 36.63 21:10:01 2 60.14 0.00 3.67 0.17 0.08 35.95 21:10:01 3 59.99 0.00 3.40 0.13 0.08 36.40 21:20:08 all 40.29 0.00 2.26 0.09 0.07 57.28 21:20:08 0 39.38 0.00 2.51 0.03 0.07 58.00 21:20:08 1 36.58 0.00 2.20 0.12 0.07 61.03 21:20:08 2 46.36 0.00 2.14 0.05 0.07 51.38 21:20:08 3 38.86 0.00 2.19 0.14 0.07 58.73 Average: all 49.87 0.00 2.87 0.11 0.08 47.08 Average: 0 49.00 0.00 3.00 0.07 0.07 47.86 Average: 1 48.05 0.00 2.79 0.11 0.07 48.98 Average: 2 53.16 0.00 2.89 0.11 0.08 43.77 Average: 3 49.29 0.00 2.79 0.14 0.08 47.71