---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17218 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 9.9G 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 649 10979 4 4359 14996 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:4d:df:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84899sec preferred_lft 84899sec inet6 fe80::f816:3eff:fe4d:df5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:03:db:77:7d:8e 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-17218) 05/20/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:08 49.62 2.50 39.35 7.77 141.00 4632.60 5623.88 22:20:08 28.71 0.34 23.04 5.33 14.75 2956.83 4015.88 Average: 39.23 1.43 31.25 6.55 78.25 3799.76 4824.72 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:08 10067164 13658608 2299244 14.04 166420 3525224 2488920 14.29 613588 5281716 137332 22:20:08 11287048 15391376 562492 3.44 196168 3966248 1148696 6.59 792744 3824908 11640 Average: 10677106 14524992 1430868 8.74 181294 3745736 1818808 10.44 703166 4553312 74486 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:08 lo 4300.71 4300.71 4100.93 4100.93 0.00 0.00 0.00 0.00 22:10:08 ens3 170.28 125.22 725.30 32.60 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:08 lo 1844.83 1844.83 1740.28 1740.28 0.00 0.00 0.00 0.00 22:20:08 ens3 127.03 120.52 130.38 182.60 0.00 0.00 0.00 0.00 22:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3080.16 3080.16 2927.72 2927.72 0.00 0.00 0.00 0.00 Average: ens3 148.78 122.88 429.63 107.15 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-17218) 05/20/26 _x86_64_ (4 CPU) 21:55:31 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:08 all 66.10 0.00 3.85 0.31 0.12 29.62 22:10:08 0 65.18 0.00 3.54 0.70 0.12 30.47 22:10:08 1 66.73 0.00 4.38 0.18 0.12 28.59 22:10:08 2 66.40 0.00 3.58 0.30 0.12 29.59 22:10:08 3 66.09 0.00 3.90 0.06 0.12 29.82 22:20:08 all 36.41 0.00 2.02 0.09 0.08 61.39 22:20:08 0 33.40 0.00 1.91 0.06 0.08 64.55 22:20:08 1 39.01 0.00 1.93 0.05 0.08 58.93 22:20:08 2 39.28 0.00 2.35 0.17 0.08 58.12 22:20:08 3 33.96 0.00 1.90 0.10 0.07 63.97 Average: all 51.33 0.00 2.94 0.20 0.10 45.43 Average: 0 49.36 0.00 2.73 0.38 0.10 47.43 Average: 1 52.93 0.00 3.16 0.11 0.10 43.70 Average: 2 52.91 0.00 2.97 0.24 0.10 43.78 Average: 3 50.10 0.00 2.91 0.08 0.10 46.81