---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38806 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 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 685 8243 4 7061 14961 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:60:05:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83862sec preferred_lft 83862sec inet6 fe80::f816:3eff:fe60:5ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:be:20:24:72:f6 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-38806) 08/19/26 _x86_64_ (4 CPU) 19:01:24 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:05 35.97 0.08 19.78 16.12 7.01 2159.77 242233.55 19:30:01 32.14 0.04 28.80 3.31 0.94 4468.88 10295.83 19:40:05 11.54 0.14 10.02 1.37 9.85 6557.97 51473.97 Average: 26.50 0.09 19.49 6.93 5.96 4400.15 101424.77 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:05 8952972 12919916 3036404 18.55 149800 3910940 3389728 19.46 751984 6252076 185872 19:30:01 7652700 12451856 3500160 21.38 166348 4689760 3401024 19.52 1011020 7246876 2120 19:40:05 8471172 15341748 603708 3.69 182900 6677972 1100068 6.31 1760840 5569612 243384 Average: 8358948 13571173 2380091 14.54 166349 5092891 2630273 15.10 1174615 6356188 143792 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:05 lo 1124.34 1124.34 1064.75 1064.75 0.00 0.00 0.00 0.00 19:20:05 ens3 41.85 34.00 45.04 11.25 0.00 0.00 0.00 0.00 19:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1443.25 1443.25 1371.43 1371.43 0.00 0.00 0.00 0.00 19:30:01 ens3 41.83 33.27 25.29 11.74 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:05 lo 2534.51 2534.51 9229.42 9229.42 0.00 0.00 0.00 0.00 19:40:05 ens3 33.06 32.02 129.29 199.57 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1703.10 1703.10 3905.85 3905.85 0.00 0.00 0.00 0.00 Average: ens3 38.90 33.09 66.77 74.60 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-38806) 08/19/26 _x86_64_ (4 CPU) 19:01:24 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:05 all 64.22 0.00 2.22 0.07 0.10 33.40 19:20:05 0 64.97 0.00 2.15 0.04 0.10 32.75 19:20:05 1 63.51 0.00 2.13 0.07 0.10 34.20 19:20:05 2 65.94 0.00 2.45 0.12 0.10 31.40 19:20:05 3 62.45 0.00 2.15 0.05 0.10 35.25 19:30:01 all 58.65 0.00 2.50 0.29 0.09 38.47 19:30:01 0 58.13 0.00 2.37 0.16 0.09 39.25 19:30:01 1 56.95 0.00 2.67 0.53 0.09 39.76 19:30:01 2 60.38 0.00 2.34 0.19 0.09 37.00 19:30:01 3 59.14 0.00 2.61 0.30 0.09 37.85 19:40:05 all 33.05 0.00 1.36 0.12 0.08 65.39 19:40:05 0 33.62 0.00 1.24 0.07 0.08 64.99 19:40:05 1 33.23 0.00 1.31 0.04 0.08 65.34 19:40:05 2 36.90 0.00 0.94 0.09 0.09 61.98 19:40:05 3 28.42 0.00 1.96 0.27 0.08 69.26 Average: all 51.91 0.00 2.02 0.16 0.09 45.82 Average: 0 52.17 0.00 1.92 0.09 0.09 45.74 Average: 1 51.17 0.00 2.03 0.21 0.09 46.50 Average: 2 54.35 0.00 1.90 0.13 0.09 43.52 Average: 3 49.93 0.00 2.24 0.21 0.09 47.53