---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27646 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 689 10919 4 4380 14957 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:7a:4d:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe7a:4d36/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:e9:26:3e:b1:40 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-27646) 06/15/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:10 62.50 2.57 38.75 21.19 142.13 4487.78 246153.53 21:20:10 33.02 0.33 27.11 5.59 14.43 3281.61 9703.95 Average: 47.77 1.45 32.93 13.39 78.31 3885.00 127989.82 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:10 10331372 13798144 2160228 13.19 163072 3410576 2363028 13.56 599072 5047912 56120 21:20:10 11182212 15313872 639360 3.90 203116 3984028 1189476 6.83 805352 3909972 17780 Average: 10756792 14556008 1399794 8.55 183094 3697302 1776252 10.20 702212 4478942 36950 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:10 lo 4124.99 4124.99 3934.33 3934.33 0.00 0.00 0.00 0.00 21:10:10 ens3 163.78 126.64 782.29 33.06 0.00 0.00 0.00 0.00 21:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:10 lo 2262.57 2262.57 2138.43 2138.43 0.00 0.00 0.00 0.00 21:20:10 ens3 128.99 124.82 130.55 184.58 0.00 0.00 0.00 0.00 21:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3194.26 3194.26 3036.84 3036.84 0.00 0.00 0.00 0.00 Average: ens3 146.39 125.73 456.59 108.78 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-27646) 06/15/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:10 all 62.34 0.00 3.71 0.14 0.11 33.69 21:10:10 0 62.79 0.00 3.70 0.19 0.11 33.21 21:10:10 1 62.48 0.00 3.82 0.12 0.11 33.47 21:10:10 2 63.27 0.00 3.73 0.12 0.11 32.77 21:10:10 3 60.84 0.00 3.60 0.14 0.11 35.32 21:20:10 all 40.45 0.00 2.33 0.52 0.09 56.61 21:20:10 0 38.89 0.00 2.21 0.65 0.09 58.15 21:20:10 1 43.36 0.00 2.34 0.45 0.10 53.76 21:20:10 2 39.15 0.00 2.41 0.62 0.09 57.73 21:20:10 3 40.38 0.00 2.38 0.35 0.09 56.80 Average: all 51.40 0.00 3.02 0.33 0.10 45.15 Average: 0 50.84 0.00 2.96 0.42 0.10 45.68 Average: 1 52.92 0.00 3.08 0.28 0.11 43.62 Average: 2 51.22 0.00 3.07 0.37 0.10 45.25 Average: 3 50.61 0.00 2.99 0.24 0.10 46.06