---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-979 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 695 10258 4 5035 14951 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:3e:d7:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84059sec preferred_lft 84059sec inet6 fe80::f816:3eff:fe3e:d77d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:4b:71:ac:e5:68 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-979) 08/01/26 _x86_64_ (4 CPU) 00:18:04 LINUX RESTART (4 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 9.05 1.07 7.53 0.45 57.23 1907.27 23484.90 00:40:10 12.58 1.90 9.89 0.78 122.32 2681.62 1457.43 00:50:01 45.58 0.79 27.16 17.62 28.53 4215.18 244293.52 Average: 22.24 1.26 14.78 6.20 69.80 2927.28 88589.29 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 12813488 15495672 474052 2.90 103192 2765308 986884 5.66 360132 2866952 296 00:40:10 10511292 14050888 1907672 11.65 135336 3522716 2132652 12.24 573312 4884888 19832 00:50:01 8413812 13098456 2850908 17.41 171400 4547356 3555112 20.41 885936 6582128 23664 Average: 10579531 14215005 1744211 10.65 136643 3611793 2224883 12.77 606460 4777989 14597 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 00:30:01 ens3 33.29 20.87 552.77 3.20 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:10 lo 1.04 1.04 0.10 0.10 0.00 0.00 0.00 0.00 00:40:10 ens3 81.27 65.73 608.02 15.76 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 1533.76 1533.76 1461.73 1461.73 0.00 0.00 0.00 0.00 00:50:01 ens3 87.53 65.55 434.44 18.32 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 504.37 504.37 480.31 480.31 0.00 0.00 0.00 0.00 Average: ens3 67.33 50.71 532.57 12.41 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-979) 08/01/26 _x86_64_ (4 CPU) 00:18:04 LINUX RESTART (4 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.69 0.00 0.19 0.09 0.01 99.02 00:30:01 0 0.84 0.00 0.20 0.02 0.01 98.92 00:30:01 1 0.60 0.00 0.19 0.13 0.01 99.06 00:30:01 2 0.42 0.00 0.15 0.09 0.02 99.32 00:30:01 3 0.90 0.00 0.22 0.10 0.02 98.77 00:40:10 all 52.66 0.00 1.73 1.27 0.20 44.15 00:40:10 0 52.81 0.00 1.69 1.10 0.14 44.26 00:40:10 1 53.63 0.00 1.90 2.30 0.23 41.95 00:40:10 2 52.31 0.00 1.67 0.92 0.28 44.82 00:40:10 3 51.89 0.00 1.66 0.75 0.13 45.57 00:50:01 all 68.25 0.00 2.76 0.16 0.13 28.70 00:50:01 0 68.97 0.00 2.79 0.24 0.14 27.87 00:50:01 1 67.17 0.00 3.11 0.11 0.14 29.47 00:50:01 2 69.37 0.00 2.58 0.09 0.13 27.82 00:50:01 3 67.47 0.00 2.56 0.21 0.13 29.62 Average: all 40.42 0.00 1.55 0.51 0.11 57.40 Average: 0 40.75 0.00 1.56 0.46 0.10 57.15 Average: 1 40.35 0.00 1.72 0.86 0.12 56.94 Average: 2 40.58 0.00 1.46 0.37 0.14 57.44 Average: 3 39.99 0.00 1.48 0.36 0.09 58.09