---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40018 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 12G 67G 15% / 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 729 9507 4 5752 14917 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:6b:06:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fe6b:638/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:c4:e2:4c:cf:69 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-40018) 08/22/26 _x86_64_ (4 CPU) 11:08:54 LINUX RESTART (4 CPU) 11:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:05 39.75 3.70 32.76 3.29 188.98 7893.93 18165.02 11:30:01 32.21 0.07 28.85 3.29 1.94 6204.90 13238.52 Average: 35.94 1.87 30.79 3.29 94.55 7041.16 15677.71 11:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:05 8565864 12877812 3075340 18.78 158148 4230160 3359748 19.28 792136 6567716 176200 11:30:01 7042260 12676560 3270400 19.97 191248 5449736 3676120 21.10 1076988 7739964 27428 Average: 7804062 12777186 3172870 19.38 174698 4839948 3517934 20.19 934562 7153840 101814 11:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:05 lo 876.55 876.55 835.29 835.29 0.00 0.00 0.00 0.00 11:20:05 ens3 123.83 90.58 1381.01 15.35 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 1512.48 1512.48 1441.69 1441.69 0.00 0.00 0.00 0.00 11:30:01 ens3 43.86 36.32 252.79 8.56 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1197.62 1197.62 1141.45 1141.45 0.00 0.00 0.00 0.00 Average: ens3 83.45 63.18 811.39 11.93 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-40018) 08/22/26 _x86_64_ (4 CPU) 11:08:54 LINUX RESTART (4 CPU) 11:10:20 CPU %user %nice %system %iowait %steal %idle 11:20:05 all 63.96 0.00 2.42 0.20 0.10 33.32 11:20:05 0 63.83 0.00 2.45 0.33 0.09 33.30 11:20:05 1 59.66 0.00 2.36 0.11 0.10 37.78 11:20:05 2 65.16 0.00 2.28 0.11 0.10 32.34 11:20:05 3 67.18 0.00 2.59 0.27 0.10 29.86 11:30:01 all 56.23 0.00 2.42 0.09 0.10 41.15 11:30:01 0 55.32 0.00 2.38 0.11 0.10 42.09 11:30:01 1 55.03 0.00 2.52 0.06 0.10 42.29 11:30:01 2 58.43 0.00 2.50 0.09 0.10 38.88 11:30:01 3 56.16 0.00 2.28 0.11 0.10 41.35 Average: all 60.06 0.00 2.42 0.15 0.10 37.27 Average: 0 59.54 0.00 2.41 0.22 0.10 37.74 Average: 1 57.32 0.00 2.44 0.09 0.10 40.06 Average: 2 61.76 0.00 2.39 0.10 0.10 35.64 Average: 3 61.62 0.00 2.44 0.19 0.10 35.66