---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26865 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 13G 65G 17% / 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 686 8276 4 7026 14960 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:83:8b:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82999sec preferred_lft 82999sec inet6 fe80::f816:3eff:fe83:8b97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:ee:73:9f:82:2e 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-26865) 06/12/26 _x86_64_ (4 CPU) 10:05:31 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:16 2.00 0.04 1.94 0.01 1.47 36.31 0.79 10:30:07 28.37 3.01 22.62 2.75 163.79 3906.13 3846.84 10:40:02 22.80 0.01 20.38 2.41 0.16 1987.37 23924.59 10:50:16 20.89 0.02 19.01 1.85 0.35 3481.35 17599.01 11:00:15 11.84 0.29 10.23 1.32 11.39 7388.16 1362.19 Average: 17.08 0.66 14.76 1.66 34.79 3344.64 9328.93 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:16 13026140 15505620 471748 2.88 94240 2577136 987788 5.67 316540 2701492 48 10:30:07 9824688 13365048 2593832 15.84 137396 3526900 2666788 15.31 665276 5500544 20104 10:40:02 9006696 12990448 2965644 18.11 152876 3920564 3056280 17.54 761480 6181540 99532 10:50:16 7557672 12324444 3628044 22.16 167592 4658352 3531944 20.27 1006688 7337896 744 11:00:15 8504172 15339324 605748 3.70 184228 6643652 1094164 6.28 1756888 5538416 52 Average: 9583874 13904977 2053003 12.54 147266 4265321 2267393 13.01 901374 5451978 24096 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:16 ens3 4.78 4.17 46.29 0.66 0.00 0.00 0.00 0.00 10:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:07 lo 1328.73 1328.73 1259.66 1259.66 0.00 0.00 0.00 0.00 10:30:07 ens3 122.37 97.13 971.42 20.02 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 960.29 960.29 913.64 913.64 0.00 0.00 0.00 0.00 10:40:02 ens3 28.55 23.84 17.28 8.73 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:16 lo 662.95 662.95 623.38 623.38 0.00 0.00 0.00 0.00 10:50:16 ens3 25.48 19.29 18.65 6.75 0.00 0.00 0.00 0.00 10:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:15 lo 2547.80 2547.80 9295.09 9295.09 0.00 0.00 0.00 0.00 11:00:15 ens3 75.05 88.08 142.49 1196.75 0.00 0.00 0.00 0.00 11:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1091.94 1091.94 2403.54 2403.54 0.00 0.00 0.00 0.00 Average: ens3 50.73 46.06 235.51 245.26 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-26865) 06/12/26 _x86_64_ (4 CPU) 10:05:31 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:16 all 0.14 0.00 0.05 0.02 0.01 99.78 10:20:16 0 0.14 0.00 0.05 0.02 0.02 99.76 10:20:16 1 0.03 0.00 0.03 0.02 0.01 99.90 10:20:16 2 0.25 0.00 0.03 0.04 0.01 99.67 10:20:16 3 0.12 0.00 0.07 0.00 0.01 99.80 10:30:07 all 60.62 0.00 2.48 0.08 0.15 36.67 10:30:07 0 62.18 0.00 2.57 0.06 0.15 35.03 10:30:07 1 60.75 0.00 2.52 0.08 0.16 36.50 10:30:07 2 59.99 0.00 2.48 0.07 0.15 37.30 10:30:07 3 59.55 0.00 2.36 0.10 0.15 37.85 10:40:02 all 63.78 0.00 2.37 0.07 0.15 33.63 10:40:02 0 64.86 0.00 2.30 0.09 0.15 32.61 10:40:02 1 63.62 0.00 2.56 0.07 0.15 33.60 10:40:02 2 63.67 0.00 2.45 0.06 0.15 33.67 10:40:02 3 62.99 0.00 2.17 0.04 0.15 34.64 10:50:16 all 38.20 0.00 1.76 0.07 0.11 59.86 10:50:16 0 37.39 0.00 1.89 0.04 0.10 60.58 10:50:16 1 39.75 0.00 1.73 0.09 0.11 58.32 10:50:16 2 38.45 0.00 1.70 0.05 0.10 59.70 10:50:16 3 37.21 0.00 1.72 0.11 0.10 60.85 11:00:15 all 35.93 0.00 1.40 0.13 0.09 62.46 11:00:15 0 27.22 0.00 1.36 0.04 0.07 71.32 11:00:15 1 38.77 0.00 1.34 0.33 0.09 59.48 11:00:15 2 32.41 0.00 1.12 0.07 0.09 66.31 11:00:15 3 45.36 0.00 1.78 0.08 0.10 52.69 Average: all 39.40 0.00 1.60 0.07 0.10 58.83 Average: 0 38.01 0.00 1.62 0.05 0.10 60.22 Average: 1 40.25 0.00 1.62 0.12 0.10 57.91 Average: 2 38.63 0.00 1.54 0.06 0.10 59.67 Average: 3 40.70 0.00 1.61 0.06 0.10 57.53