---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31397 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 631 10417 4 4940 15015 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:e7:20:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84348sec preferred_lft 84348sec inet6 fe80::f816:3eff:fee7:20ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:c7:e1:02:8a:3e 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-31397) 06/28/26 _x86_64_ (4 CPU) 20:07:21 LINUX RESTART (4 CPU) 20:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:10 16.17 3.00 12.74 0.43 163.36 2897.46 769.67 20:30:01 3.70 0.06 3.58 0.06 6.38 413.29 6.95 20:40:10 26.90 0.81 23.50 2.59 32.50 6487.65 15821.29 Average: 15.71 1.29 13.38 1.04 67.54 3298.37 5617.16 20:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:10 10802180 13830332 2133504 13.03 112780 3077240 2408864 13.83 485632 4742536 35700 20:30:01 9440880 12544856 3417820 20.87 116176 3142440 3583456 20.57 506872 6056480 56 20:40:10 10702108 15407592 548512 3.35 140084 4659012 1062860 6.10 903648 4344460 11672 Average: 10315056 13927593 2033279 12.42 123013 3626231 2351727 13.50 632051 5047825 15809 20:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:10 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 20:20:10 ens3 69.32 55.23 753.28 8.84 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.52 0.52 0.37 0.37 0.00 0.00 0.00 0.00 20:30:01 ens3 4.61 4.05 20.72 0.92 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:10 lo 475.30 475.30 450.66 450.66 0.00 0.00 0.00 0.00 20:40:10 ens3 54.96 45.55 504.69 70.62 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 161.29 161.29 152.77 152.77 0.00 0.00 0.00 0.00 Average: ens3 43.23 35.16 428.74 27.16 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-31397) 06/28/26 _x86_64_ (4 CPU) 20:07:21 LINUX RESTART (4 CPU) 20:10:10 CPU %user %nice %system %iowait %steal %idle 20:20:10 all 41.82 0.00 0.94 4.05 0.09 53.09 20:20:10 0 44.28 0.00 0.85 0.20 0.10 54.57 20:20:10 1 42.80 0.00 0.99 5.07 0.09 51.06 20:20:10 2 35.21 0.00 0.99 5.42 0.09 58.29 20:20:10 3 44.98 0.00 0.95 5.52 0.09 48.46 20:30:01 all 41.64 0.00 0.46 0.19 0.10 57.61 20:30:01 0 24.24 0.00 0.37 0.19 0.14 75.06 20:30:01 1 45.76 0.00 0.57 0.22 0.08 53.36 20:30:01 2 30.36 0.00 0.42 0.15 0.08 68.99 20:30:01 3 66.21 0.00 0.48 0.20 0.10 33.01 20:40:10 all 42.92 0.00 1.54 0.42 0.08 55.04 20:40:10 0 45.89 0.00 1.40 0.12 0.09 52.51 20:40:10 1 39.60 0.00 1.35 0.41 0.08 58.56 20:40:10 2 40.91 0.00 1.69 0.93 0.08 56.39 20:40:10 3 45.27 0.00 1.71 0.22 0.09 52.70 Average: all 42.13 0.00 0.99 1.56 0.09 55.23 Average: 0 38.24 0.00 0.88 0.17 0.11 60.60 Average: 1 42.69 0.00 0.97 1.90 0.08 54.35 Average: 2 35.54 0.00 1.04 2.17 0.08 61.16 Average: 3 52.06 0.00 1.05 1.98 0.09 44.82