---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40414 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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: 5600.00 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 66G 16% / 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 669 8448 4 6870 14977 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:38:a3:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83951sec preferred_lft 83951sec inet6 fe80::f816:3eff:fe38:a301/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:3e:79:63:80:07 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40414) 08/23/26 _x86_64_ (4 CPU) 13:57:14 LINUX RESTART (4 CPU) 14:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:04 39.10 3.20 20.29 15.61 370.30 4008.52 242958.82 14:20:01 24.78 0.02 22.01 2.75 0.70 2150.55 9800.27 14:30:08 21.14 0.04 19.17 1.93 0.80 3639.89 19912.97 Average: 28.32 1.08 20.48 6.75 123.71 3269.91 90781.77 14:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:04 9586420 13293388 2665032 16.28 141628 3685140 2894400 16.61 718396 5685036 28968 14:20:01 8752844 12864264 3091112 18.88 157732 4039944 3142608 18.04 833932 6357936 30212 14:30:08 6382176 11341844 4610264 28.16 169024 4843300 4567160 26.22 1091464 8402920 480 Average: 8240480 12499832 3455469 21.10 156128 4189461 3534723 20.29 881264 6815297 19887 14:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:04 lo 1183.57 1183.57 1122.23 1122.23 0.00 0.00 0.00 0.00 14:10:04 ens3 133.71 102.78 1119.12 19.39 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 1278.52 1278.52 1218.17 1218.17 0.00 0.00 0.00 0.00 14:20:01 ens3 52.03 38.93 23.98 12.46 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:08 lo 788.82 788.82 2932.70 2932.70 0.00 0.00 0.00 0.00 14:30:08 ens3 27.31 20.67 17.66 6.86 0.00 0.00 0.00 0.00 14:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1082.14 1082.14 1763.19 1763.19 0.00 0.00 0.00 0.00 Average: ens3 70.89 54.03 386.24 12.88 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-40414) 08/23/26 _x86_64_ (4 CPU) 13:57:14 LINUX RESTART (4 CPU) 14:00:04 CPU %user %nice %system %iowait %steal %idle 14:10:04 all 46.05 0.00 1.96 0.11 0.08 51.80 14:10:04 0 46.57 0.00 2.16 0.05 0.08 51.14 14:10:04 1 46.82 0.00 1.95 0.18 0.08 50.97 14:10:04 2 45.98 0.00 1.84 0.11 0.07 52.00 14:10:04 3 44.84 0.00 1.91 0.09 0.07 53.09 14:20:01 all 67.93 0.00 2.38 0.05 0.09 29.55 14:20:01 0 68.80 0.00 2.58 0.04 0.09 28.49 14:20:01 1 66.88 0.00 2.36 0.06 0.09 30.61 14:20:01 2 69.86 0.00 2.43 0.04 0.09 27.58 14:20:01 3 66.16 0.00 2.16 0.07 0.09 31.52 14:30:08 all 38.10 0.00 1.67 0.09 0.08 60.05 14:30:08 0 34.96 0.00 1.55 0.09 0.08 63.32 14:30:08 1 39.55 0.00 1.65 0.04 0.08 58.68 14:30:08 2 40.49 0.00 1.88 0.12 0.08 57.42 14:30:08 3 37.41 0.00 1.61 0.11 0.08 60.79 Average: all 50.60 0.00 2.01 0.08 0.08 47.22 Average: 0 50.00 0.00 2.09 0.06 0.08 47.76 Average: 1 51.00 0.00 1.98 0.09 0.08 46.83 Average: 2 52.02 0.00 2.05 0.09 0.08 45.76 Average: 3 49.39 0.00 1.89 0.09 0.08 48.54