---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3001 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 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 736 9387 4 5865 14910 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:46:de:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84238sec preferred_lft 84238sec inet6 fe80::f816:3eff:fe46:de73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c5:14:8d:71:ab 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-3001) 08/07/26 _x86_64_ (4 CPU) 06:28:16 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:09 44.67 3.55 26.97 14.15 202.37 5139.34 257169.94 06:50:09 34.56 0.14 30.90 3.53 6.47 3283.44 21525.35 07:00:01 26.85 0.05 23.35 3.45 1.47 5976.88 96163.18 Average: 35.44 1.26 27.09 7.09 70.98 4796.35 125664.55 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:09 9704420 13446204 2512164 15.34 144628 3706768 2898160 16.64 612556 5653840 217952 06:50:09 8194112 12585208 3367612 20.57 172000 4276704 3673104 21.08 801052 6900140 266156 07:00:01 9782108 15415240 530896 3.24 205512 5399200 1078588 6.19 933752 5097608 326520 Average: 9226880 13815551 2136891 13.05 174047 4460891 2549951 14.64 782453 5883863 270209 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:09 lo 200.13 200.13 190.25 190.25 0.00 0.00 0.00 0.00 06:40:09 ens3 103.64 73.57 1167.38 12.29 0.00 0.00 0.00 0.00 06:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:09 lo 1557.54 1557.54 1484.57 1484.57 0.00 0.00 0.00 0.00 06:50:09 ens3 60.69 47.88 190.29 14.10 0.00 0.00 0.00 0.00 06:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 432.05 432.05 410.70 410.70 0.00 0.00 0.00 0.00 07:00:01 ens3 51.03 42.52 109.80 13.21 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 728.83 728.83 694.14 694.14 0.00 0.00 0.00 0.00 Average: ens3 72.02 54.79 493.80 13.20 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-3001) 08/07/26 _x86_64_ (4 CPU) 06:28:16 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:09 all 23.83 0.00 1.04 1.20 0.05 73.88 06:40:09 0 23.07 0.00 1.05 0.60 0.05 75.22 06:40:09 1 23.43 0.00 0.83 0.63 0.05 75.06 06:40:09 2 26.97 0.00 1.30 0.98 0.05 70.69 06:40:09 3 21.85 0.00 0.98 2.59 0.05 74.53 06:50:09 all 63.98 0.00 2.62 0.28 0.10 33.02 06:50:09 0 63.21 0.00 2.66 0.20 0.10 33.84 06:50:09 1 62.53 0.00 2.51 0.48 0.11 34.37 06:50:09 2 65.34 0.00 2.72 0.21 0.11 31.62 06:50:09 3 64.84 0.00 2.58 0.24 0.11 32.24 07:00:01 all 61.52 0.00 2.13 0.36 0.10 35.90 07:00:01 0 58.81 0.00 1.79 0.27 0.10 39.03 07:00:01 1 65.64 0.00 2.41 0.12 0.10 31.73 07:00:01 2 61.13 0.00 2.14 0.67 0.10 35.97 07:00:01 3 60.49 0.00 2.17 0.37 0.10 36.88 Average: all 49.60 0.00 1.92 0.62 0.08 47.78 Average: 0 48.20 0.00 1.83 0.36 0.08 49.53 Average: 1 50.34 0.00 1.91 0.41 0.08 47.25 Average: 2 50.98 0.00 2.05 0.62 0.09 46.27 Average: 3 48.88 0.00 1.90 1.08 0.08 48.06