---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2432 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 691 10299 4 4997 14954 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:03:ed:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83982sec preferred_lft 83982sec inet6 fe80::f816:3eff:fe03:ed68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:78:7d:e1:69:49 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-2432) 08/05/26 _x86_64_ (4 CPU) 23:19:25 LINUX RESTART (4 CPU) 23:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:01 35.42 2.09 32.53 0.80 330.87 2779.25 1116.63 23:40:14 10.35 1.83 8.08 0.43 120.33 2203.92 964.02 23:50:14 17.52 0.83 14.99 1.70 29.38 3237.64 4673.50 Average: 20.94 1.58 18.39 0.97 159.00 2736.39 2248.75 23:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:01 12864900 15491612 480928 2.94 100324 2714188 1000096 5.74 401904 2768056 420 23:40:14 10249136 13599368 2361240 14.42 128364 3353828 2696304 15.48 589044 5168700 28940 23:50:14 8855756 13230128 2722176 16.63 166784 4255456 2960060 16.99 828200 6221808 109988 Average: 10656597 14107036 1854781 11.33 131824 3441157 2218820 12.74 606383 4719521 46449 23:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:01 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 23:30:01 ens3 43.66 32.95 449.32 4.89 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:14 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 23:40:14 ens3 78.23 65.18 689.25 12.76 0.00 0.00 0.00 0.00 23:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:14 lo 524.67 524.67 498.02 498.02 0.00 0.00 0.00 0.00 23:50:14 ens3 92.19 69.31 331.89 19.10 0.00 0.00 0.00 0.00 23:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 174.96 174.96 165.80 165.80 0.00 0.00 0.00 0.00 Average: ens3 71.56 56.00 491.73 12.30 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-2432) 08/05/26 _x86_64_ (4 CPU) 23:19:25 LINUX RESTART (4 CPU) 23:20:10 CPU %user %nice %system %iowait %steal %idle 23:30:01 all 2.57 0.00 0.35 0.27 0.03 96.79 23:30:01 0 2.87 0.00 0.42 0.41 0.02 96.28 23:30:01 1 3.92 0.00 0.45 0.41 0.05 95.16 23:30:01 2 1.52 0.00 0.24 0.19 0.02 98.03 23:30:01 3 1.95 0.00 0.29 0.06 0.03 97.68 23:40:14 all 35.59 0.00 1.17 0.03 0.06 63.15 23:40:14 0 34.41 0.00 1.01 0.01 0.05 64.52 23:40:14 1 36.16 0.00 1.24 0.06 0.06 62.48 23:40:14 2 35.34 0.00 1.20 0.03 0.05 63.38 23:40:14 3 36.47 0.00 1.23 0.03 0.07 62.20 23:50:14 all 68.42 0.00 2.44 0.03 0.10 29.00 23:50:14 0 68.64 0.00 2.62 0.05 0.10 28.59 23:50:14 1 68.17 0.00 2.56 0.04 0.10 29.14 23:50:14 2 67.54 0.00 2.25 0.03 0.10 30.08 23:50:14 3 69.35 0.00 2.34 0.02 0.10 28.18 Average: all 35.70 0.00 1.32 0.11 0.06 62.81 Average: 0 35.47 0.00 1.35 0.15 0.06 62.97 Average: 1 36.24 0.00 1.42 0.17 0.07 62.11 Average: 2 34.98 0.00 1.23 0.08 0.06 63.65 Average: 3 36.10 0.00 1.29 0.04 0.07 62.51