---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8009 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 619 10073 4 5296 15027 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:1c:4b:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84279sec preferred_lft 84279sec inet6 fe80::f816:3eff:fe1c:4b07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:72:14:58:8b:35 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-8009) 04/25/26 _x86_64_ (4 CPU) 18:21:32 LINUX RESTART (4 CPU) 18:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:28 42.99 0.02 36.50 6.46 0.62 1632.62 128546.35 18:50:01 28.10 0.16 23.94 3.99 5.10 2278.61 29342.32 Average: 35.75 0.09 30.40 5.26 2.79 1946.46 80350.24 18:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:28 9534044 12885240 3074892 18.78 154168 3328892 3284364 18.85 674300 5781452 676 18:50:01 9167792 12980452 2975568 18.17 173744 3737256 3016324 17.31 813488 5945888 16612 Average: 9350918 12932846 3025230 18.48 163956 3533074 3150344 18.08 743894 5863670 8644 18:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:28 lo 38.55 38.55 9.26 9.26 0.00 0.00 0.00 0.00 18:40:28 ens3 14.78 11.95 14.70 4.20 0.00 0.00 0.00 0.00 18:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1825.05 1825.05 1721.98 1721.98 0.00 0.00 0.00 0.00 18:50:01 ens3 57.49 40.98 292.37 10.91 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 906.48 906.48 841.35 841.35 0.00 0.00 0.00 0.00 Average: ens3 35.53 26.05 149.60 7.46 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-8009) 04/25/26 _x86_64_ (4 CPU) 18:21:32 LINUX RESTART (4 CPU) 18:30:21 CPU %user %nice %system %iowait %steal %idle 18:40:28 all 27.97 0.00 1.16 0.30 0.08 70.49 18:40:28 0 27.85 0.00 1.15 0.40 0.09 70.52 18:40:28 1 28.22 0.00 1.00 0.15 0.08 70.55 18:40:28 2 29.37 0.00 1.27 0.14 0.09 69.13 18:40:28 3 26.43 0.00 1.23 0.52 0.08 71.74 18:50:01 all 42.84 0.00 2.11 0.08 0.08 54.89 18:50:01 0 43.20 0.00 1.93 0.06 0.08 54.72 18:50:01 1 42.50 0.00 2.21 0.06 0.08 55.15 18:50:01 2 42.58 0.00 1.97 0.11 0.08 55.26 18:50:01 3 43.06 0.00 2.34 0.08 0.08 54.43 Average: all 35.18 0.00 1.62 0.19 0.08 62.92 Average: 0 35.29 0.00 1.53 0.24 0.09 62.86 Average: 1 35.14 0.00 1.58 0.11 0.08 63.08 Average: 2 35.78 0.00 1.61 0.12 0.09 62.40 Average: 3 34.49 0.00 1.77 0.31 0.08 63.35