---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38972 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 13G 66G 16% / 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 682 8565 4 6741 14964 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:85:ab:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84033sec preferred_lft 84033sec inet6 fe80::f816:3eff:fe85:abc1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:97:82:9d:75:d3 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-38972) 08/20/26 _x86_64_ (4 CPU) 07:38:26 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:14 33.80 3.78 27.16 2.86 195.07 5409.16 5060.18 08:00:14 27.52 0.03 24.71 2.79 0.63 2252.30 9375.74 08:10:01 13.70 0.03 12.40 1.28 0.49 3294.96 6099.75 Average: 25.16 1.30 21.53 2.32 66.79 3666.79 6839.25 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:14 9794740 13407236 2551492 15.58 138924 3594188 2598424 14.91 667672 5517320 17020 08:00:14 8321828 12573492 3380916 20.65 159788 4167268 3464708 19.89 808252 6809504 243680 08:10:01 5509208 10361664 5590748 34.15 167996 4739920 5316692 30.52 1022692 9354500 21836 Average: 7875259 12114131 3841052 23.46 155569 4167125 3793275 21.77 832872 7227108 94179 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:14 lo 1427.92 1427.92 1354.80 1354.80 0.00 0.00 0.00 0.00 07:50:14 ens3 134.46 108.03 1101.80 22.54 0.00 0.00 0.00 0.00 07:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:14 lo 1306.74 1306.74 1244.98 1244.98 0.00 0.00 0.00 0.00 08:00:14 ens3 38.04 30.94 26.20 10.59 0.00 0.00 0.00 0.00 08:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 553.44 553.44 4733.23 4733.23 0.00 0.00 0.00 0.00 08:10:01 ens3 19.11 15.19 11.45 5.64 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1102.62 1102.62 2418.65 2418.65 0.00 0.00 0.00 0.00 Average: ens3 64.70 52.06 387.61 13.04 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-38972) 08/20/26 _x86_64_ (4 CPU) 07:38:26 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:14 all 56.67 0.00 2.35 0.10 0.09 40.80 07:50:14 0 56.18 0.00 2.32 0.10 0.09 41.31 07:50:14 1 59.31 0.00 2.67 0.09 0.09 37.84 07:50:14 2 55.29 0.00 2.12 0.08 0.08 42.43 07:50:14 3 55.88 0.00 2.28 0.14 0.09 41.61 08:00:14 all 67.47 0.00 2.39 0.06 0.11 29.97 08:00:14 0 68.26 0.00 2.36 0.04 0.11 29.23 08:00:14 1 67.74 0.00 2.10 0.08 0.12 29.96 08:00:14 2 67.21 0.00 2.46 0.04 0.11 30.18 08:00:14 3 66.66 0.00 2.65 0.07 0.11 30.50 08:10:01 all 34.60 0.00 1.34 0.47 0.09 63.51 08:10:01 0 30.77 0.00 1.47 1.24 0.09 66.43 08:10:01 1 37.80 0.00 1.33 0.19 0.09 60.59 08:10:01 2 29.93 0.00 1.26 0.14 0.09 68.58 08:10:01 3 39.90 0.00 1.29 0.30 0.09 58.41 Average: all 53.08 0.00 2.03 0.21 0.10 44.58 Average: 0 51.94 0.00 2.06 0.45 0.10 45.46 Average: 1 55.13 0.00 2.04 0.12 0.10 42.62 Average: 2 51.00 0.00 1.95 0.09 0.09 46.87 Average: 3 54.27 0.00 2.08 0.17 0.10 43.38