---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28698 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 10G 68G 13% / 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 731 10665 4 4592 14915 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:14:03:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84612sec preferred_lft 84612sec inet6 fe80::f816:3eff:fe14:356/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:9f:f0:4f:a1:08 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-28698) 06/19/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:03 41.87 2.59 33.05 6.23 143.26 4100.55 12180.34 21:20:08 34.64 0.30 28.22 6.11 11.66 3559.88 10380.71 Average: 38.22 1.43 30.62 6.17 76.90 3827.90 11272.82 21:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:03 10404852 13974972 1983064 12.11 157632 3527748 2217008 12.73 701484 4860256 22744 21:20:08 11058332 15397008 555408 3.39 203076 4188036 1120080 6.43 925088 3914400 64 Average: 10731592 14685990 1269236 7.75 180354 3857892 1668544 9.58 813286 4387328 11404 21:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:03 lo 3637.47 3637.47 3469.18 3469.18 0.00 0.00 0.00 0.00 21:10:03 ens3 153.63 116.00 793.03 30.56 0.00 0.00 0.00 0.00 21:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:08 lo 2854.34 2854.34 2712.03 2712.03 0.00 0.00 0.00 0.00 21:20:08 ens3 110.03 95.14 115.24 114.75 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3242.56 3242.56 3087.37 3087.37 0.00 0.00 0.00 0.00 Average: ens3 131.64 105.48 451.23 73.02 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-28698) 06/19/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:08 CPU %user %nice %system %iowait %steal %idle 21:10:03 all 58.06 0.00 3.49 0.10 0.08 38.27 21:10:03 0 57.43 0.00 3.11 0.14 0.07 39.24 21:10:03 1 58.42 0.00 3.30 0.08 0.08 38.12 21:10:03 2 58.34 0.00 3.91 0.06 0.08 37.61 21:10:03 3 58.06 0.00 3.64 0.11 0.08 38.12 21:20:08 all 45.17 0.00 2.78 1.55 0.08 50.44 21:20:08 0 45.67 0.00 3.07 1.23 0.08 49.96 21:20:08 1 43.53 0.00 2.52 2.53 0.07 51.34 21:20:08 2 45.16 0.00 2.76 0.55 0.08 51.46 21:20:08 3 46.30 0.00 2.75 1.88 0.07 48.99 Average: all 51.56 0.00 3.13 0.83 0.08 44.41 Average: 0 51.50 0.00 3.09 0.69 0.08 44.64 Average: 1 50.91 0.00 2.91 1.31 0.08 44.79 Average: 2 51.69 0.00 3.33 0.31 0.08 44.60 Average: 3 52.13 0.00 3.19 1.00 0.08 43.60