---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23092 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 642 10391 4 4955 15004 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:6e:db:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84778sec preferred_lft 84778sec inet6 fe80::f816:3eff:fe6e:db34/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:6b:9f:d7:ef:36 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23092) 01/08/26 _x86_64_ (4 CPU) 10:07:39 LINUX RESTART (4 CPU) 10:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:15 24.12 1.19 9.30 13.62 452.57 2387.03 249509.42 10:30:20 5.45 0.37 4.85 0.22 11.47 651.20 815.06 Average: 14.79 0.78 7.08 6.93 232.19 1519.78 125257.81 10:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:15 8859996 12002172 3959712 24.18 112988 3198316 4774024 27.40 650172 6525916 7308 10:30:20 9171704 12882716 3076112 18.79 128172 3719032 3737284 21.45 716460 6081540 383636 Average: 9015850 12442444 3517912 21.49 120580 3458674 4255654 24.43 683316 6303728 195472 10:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:15 lo 0.69 0.69 0.38 0.38 0.00 0.00 0.00 0.00 10:20:15 ens3 28.22 22.25 322.71 3.59 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:20 lo 100.82 100.82 95.70 95.70 0.00 0.00 0.00 0.00 10:30:20 ens3 33.37 25.24 405.27 3.23 0.00 0.00 0.00 0.00 10:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 50.72 50.72 48.00 48.00 0.00 0.00 0.00 0.00 Average: ens3 30.79 23.75 363.96 3.41 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23092) 01/08/26 _x86_64_ (4 CPU) 10:07:39 LINUX RESTART (4 CPU) 10:10:10 CPU %user %nice %system %iowait %steal %idle 10:20:15 all 51.34 0.00 1.01 0.31 0.09 47.24 10:20:15 0 51.50 0.00 0.90 0.17 0.10 47.32 10:20:15 1 49.82 0.00 0.89 0.83 0.09 48.37 10:20:15 2 50.18 0.00 1.04 0.12 0.10 48.56 10:20:15 3 53.86 0.00 1.20 0.14 0.09 44.70 10:30:20 all 48.64 0.00 0.72 0.45 0.09 50.10 10:30:20 0 42.37 0.00 0.59 0.04 0.08 56.91 10:30:20 1 30.39 0.00 0.78 0.82 0.11 67.91 10:30:20 2 81.03 0.00 0.81 0.63 0.10 17.43 10:30:20 3 40.96 0.00 0.69 0.30 0.09 57.97 Average: all 50.00 0.00 0.86 0.38 0.09 48.67 Average: 0 46.95 0.00 0.75 0.11 0.09 52.11 Average: 1 40.12 0.00 0.84 0.82 0.10 58.12 Average: 2 65.54 0.00 0.93 0.37 0.10 33.07 Average: 3 47.41 0.00 0.95 0.22 0.09 51.34