---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22436 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 700 10304 4 4983 14946 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:99:cf:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84810sec preferred_lft 84810sec inet6 fe80::f816:3eff:fe99:cfd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:47:bb:96:97:8d 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-22436) 06/02/26 _x86_64_ (4 CPU) 02:48:20 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:06 36.48 14.89 20.05 1.54 501.80 5006.37 4224.39 03:10:09 47.09 0.78 28.48 17.83 24.26 4090.26 243910.52 Average: 41.77 7.85 24.25 9.66 263.62 4549.44 123771.82 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:06 10574348 14132420 1825704 11.15 139568 3522628 2152752 12.36 668652 4726352 15728 03:10:09 10702168 15433772 516768 3.16 173400 4576128 1011516 5.81 997536 4145952 101640 Average: 10638258 14783096 1171236 7.15 156484 4049378 1582134 9.08 833094 4436152 58684 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:06 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 03:00:06 ens3 116.22 87.55 793.15 20.10 0.00 0.00 0.00 0.00 03:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:09 lo 1675.34 1675.34 1596.86 1596.86 0.00 0.00 0.00 0.00 03:10:09 ens3 88.59 65.89 426.42 17.36 0.00 0.00 0.00 0.00 03:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.30 836.30 796.53 796.53 0.00 0.00 0.00 0.00 Average: ens3 102.44 76.75 610.24 18.73 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-22436) 06/02/26 _x86_64_ (4 CPU) 02:48:20 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:06 all 65.65 0.07 2.28 0.19 0.13 31.68 03:00:06 0 63.96 0.27 2.16 0.18 0.14 33.30 03:00:06 1 66.00 0.00 2.42 0.21 0.13 31.25 03:00:06 2 67.25 0.00 2.25 0.09 0.14 30.28 03:00:06 3 65.42 0.00 2.27 0.27 0.14 31.90 03:10:09 all 67.99 0.00 2.84 0.08 0.12 28.96 03:10:09 0 68.57 0.00 2.55 0.08 0.11 28.69 03:10:09 1 65.77 0.00 2.62 0.05 0.11 31.44 03:10:09 2 70.58 0.00 3.10 0.09 0.12 26.10 03:10:09 3 67.04 0.00 3.11 0.12 0.12 29.62 Average: all 66.82 0.03 2.56 0.14 0.13 30.33 Average: 0 66.26 0.13 2.35 0.13 0.13 31.00 Average: 1 65.88 0.00 2.52 0.13 0.12 31.34 Average: 2 68.91 0.00 2.67 0.09 0.13 28.20 Average: 3 66.23 0.00 2.69 0.19 0.13 30.76