---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3760 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 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 11G 67G 14% / 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 673 10435 4 4880 14973 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:07:bb:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83085sec preferred_lft 83085sec inet6 fe80::f816:3eff:fe07:bb39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:20:60:7b:8d:80 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-3760) 08/09/26 _x86_64_ (4 CPU) 08:54:55 LINUX RESTART (4 CPU) 09:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:14 1.71 0.01 1.69 0.01 0.04 38.79 58.81 09:20:29 14.85 0.00 1.97 12.88 0.16 31.14 234773.66 09:30:06 11.42 1.94 9.05 0.43 127.70 2232.39 709.46 09:40:14 20.18 0.80 17.89 1.49 29.31 3147.64 3275.75 Average: 12.09 0.67 7.63 3.78 38.19 1351.49 61185.07 09:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:14 12997100 15495700 479176 2.93 98372 2589584 1012592 5.81 338340 2699136 8 09:20:29 12994500 15499924 474512 2.90 100112 2594456 1012736 5.81 344840 2704460 16 09:30:06 10853944 14054484 1907248 11.65 125224 3214604 2235532 12.83 523152 4634512 33008 09:40:14 8862540 13114932 2837872 17.33 166068 4136056 3058772 17.56 769320 6279844 113556 Average: 11427021 14541260 1424702 8.70 122444 3133675 1829908 10.50 493913 4079488 36647 09:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:14 ens3 14.24 11.53 130.76 1.18 0.00 0.00 0.00 0.00 09:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:29 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:29 ens3 10.98 8.44 128.11 0.92 0.00 0.00 0.00 0.00 09:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:06 lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 09:30:06 ens3 81.97 67.79 694.37 12.55 0.00 0.00 0.00 0.00 09:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:14 lo 380.24 380.24 361.41 361.41 0.00 0.00 0.00 0.00 09:40:14 ens3 90.24 67.63 329.18 19.67 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.45 96.45 91.50 91.50 0.00 0.00 0.00 0.00 Average: ens3 48.94 38.47 315.91 8.53 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-3760) 08/09/26 _x86_64_ (4 CPU) 08:54:55 LINUX RESTART (4 CPU) 09:00:14 CPU %user %nice %system %iowait %steal %idle 09:10:14 all 0.27 0.00 0.05 0.03 0.01 99.64 09:10:14 0 0.13 0.00 0.04 0.01 0.01 99.80 09:10:14 1 0.05 0.00 0.04 0.01 0.02 99.88 09:10:14 2 0.37 0.00 0.03 0.10 0.02 99.48 09:10:14 3 0.53 0.00 0.07 0.00 0.01 99.39 09:20:29 all 0.18 0.00 0.05 0.06 0.01 99.70 09:20:29 0 0.02 0.00 0.03 0.12 0.01 99.82 09:20:29 1 0.08 0.00 0.04 0.05 0.01 99.82 09:20:29 2 0.37 0.00 0.07 0.06 0.02 99.47 09:20:29 3 0.24 0.00 0.06 0.00 0.01 99.69 09:30:06 all 33.18 0.00 1.07 0.22 0.06 65.47 09:30:06 0 32.77 0.00 0.92 0.17 0.06 66.08 09:30:06 1 32.39 0.00 1.21 0.39 0.07 65.95 09:30:06 2 32.44 0.00 0.91 0.15 0.06 66.43 09:30:06 3 35.10 0.00 1.25 0.16 0.06 63.43 09:40:14 all 70.42 0.00 2.42 0.11 0.11 26.95 09:40:14 0 69.48 0.00 2.25 0.11 0.11 28.05 09:40:14 1 69.96 0.00 2.67 0.16 0.11 27.11 09:40:14 2 68.97 0.00 2.29 0.08 0.10 28.55 09:40:14 3 73.26 0.00 2.47 0.09 0.11 24.08 Average: all 25.90 0.00 0.89 0.10 0.05 73.06 Average: 0 25.49 0.00 0.81 0.10 0.05 73.56 Average: 1 25.51 0.00 0.99 0.15 0.05 73.30 Average: 2 25.44 0.00 0.82 0.10 0.05 73.59 Average: 3 27.15 0.00 0.96 0.06 0.05 71.78