---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42430 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 693 8026 4 7269 14952 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:c6:33:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83090sec preferred_lft 83090sec inet6 fe80::f816:3eff:fec6:3345/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:cc:c6:ef:7d:a9 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-42430) 08/29/26 _x86_64_ (4 CPU) 07:56:56 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:16 3.74 0.24 3.30 0.20 202.94 317.97 18.55 08:20:08 23.61 2.97 18.54 2.11 162.94 3793.08 5293.12 08:30:01 24.58 0.01 21.80 2.77 0.36 2082.90 10345.79 08:40:16 21.64 0.03 19.66 1.96 0.65 3722.31 7729.10 08:50:04 10.78 0.16 9.30 1.32 10.71 7633.46 2793.88 Average: 16.82 0.68 14.48 1.66 76.02 3481.37 5219.25 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:16 12855808 15492408 481664 2.94 98784 2728584 1001640 5.75 382732 2798352 76 08:20:08 9299504 13003912 2953212 18.04 145584 3676096 3344260 19.20 718972 5965456 26768 08:30:01 8781640 12850448 3104116 18.96 160608 3997316 3107028 17.83 827280 6331632 23204 08:40:16 7197700 12185080 3765532 23.00 175116 4862744 3644608 20.92 1085000 7616916 988 08:50:04 8270492 15353944 589252 3.60 194744 6872128 1127276 6.47 1856504 5674552 268 Average: 9281029 13777158 2178755 13.31 154967 4427374 2444962 14.03 974098 5677382 10261 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:16 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 08:10:16 ens3 14.64 11.45 155.33 2.10 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:08 lo 1238.14 1238.14 1174.26 1174.26 0.00 0.00 0.00 0.00 08:20:08 ens3 104.24 86.48 1043.68 19.37 0.00 0.00 0.00 0.00 08:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1356.16 1356.16 1291.82 1291.82 0.00 0.00 0.00 0.00 08:30:01 ens3 26.29 21.98 18.00 10.00 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:16 lo 803.56 803.56 758.03 758.03 0.00 0.00 0.00 0.00 08:40:16 ens3 23.76 17.84 21.57 8.52 0.00 0.00 0.00 0.00 08:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:04 lo 2604.75 2604.75 9478.99 9478.99 0.00 0.00 0.00 0.00 08:50:04 ens3 70.80 83.76 143.66 1221.15 0.00 0.00 0.00 0.00 08:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1186.50 1186.50 2497.76 2497.76 0.00 0.00 0.00 0.00 Average: ens3 47.49 43.80 273.93 247.06 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-42430) 08/29/26 _x86_64_ (4 CPU) 07:56:56 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:16 all 0.38 0.00 0.09 0.06 0.00 99.48 08:10:16 0 0.56 0.00 0.09 0.01 0.00 99.33 08:10:16 1 0.22 0.00 0.05 0.01 0.00 99.72 08:10:16 2 0.20 0.00 0.14 0.03 0.00 99.62 08:10:16 3 0.53 0.00 0.08 0.16 0.00 99.22 08:20:08 all 49.69 0.00 2.63 0.10 0.02 47.56 08:20:08 0 50.30 0.00 2.50 0.10 0.03 47.08 08:20:08 1 49.19 0.00 3.02 0.13 0.02 47.64 08:20:08 2 48.47 0.00 2.41 0.07 0.02 49.03 08:20:08 3 50.81 0.00 2.59 0.10 0.02 46.48 08:30:01 all 63.59 0.00 2.71 0.07 0.03 33.59 08:30:01 0 64.18 0.00 2.82 0.05 0.03 32.92 08:30:01 1 62.89 0.00 2.45 0.07 0.03 34.57 08:30:01 2 61.72 0.00 3.05 0.10 0.03 35.10 08:30:01 3 65.59 0.00 2.54 0.06 0.04 31.78 08:40:16 all 40.79 0.00 2.05 0.09 0.02 57.05 08:40:16 0 39.54 0.00 2.03 0.12 0.02 58.28 08:40:16 1 40.57 0.00 2.04 0.12 0.02 57.25 08:40:16 2 39.57 0.00 1.93 0.06 0.02 58.42 08:40:16 3 43.48 0.00 2.19 0.05 0.03 54.25 08:50:04 all 37.51 0.00 1.79 0.15 0.02 60.53 08:50:04 0 34.87 0.00 1.56 0.27 0.02 63.28 08:50:04 1 40.62 0.00 1.33 0.07 0.02 57.95 08:50:04 2 37.38 0.00 1.95 0.19 0.02 60.46 08:50:04 3 37.15 0.00 2.31 0.07 0.03 60.44 Average: all 38.11 0.00 1.84 0.09 0.02 59.94 Average: 0 37.60 0.00 1.79 0.11 0.02 60.48 Average: 1 38.40 0.00 1.77 0.08 0.02 59.73 Average: 2 37.21 0.00 1.88 0.09 0.02 60.80 Average: 3 39.21 0.00 1.93 0.09 0.02 58.75