---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38153 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 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 681 8361 4 6946 14965 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:5a:17:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84064sec preferred_lft 84064sec inet6 fe80::f816:3eff:fe5a:1751/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:ad:09:b7:e2:0b 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-38153) 08/16/26 _x86_64_ (4 CPU) 13:55:23 LINUX RESTART (4 CPU) 14:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:13 29.94 0.74 25.75 3.45 54.81 4268.49 29471.94 14:20:14 47.60 0.03 30.28 17.29 0.71 2610.37 258533.13 14:30:14 6.70 0.03 6.31 0.36 0.64 3156.92 50739.12 Average: 28.09 0.27 20.79 7.04 18.70 3344.44 113059.46 14:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:13 9077708 13107800 2848756 17.40 147416 3982068 3207980 18.41 726244 6163236 99788 14:20:14 8559732 12957876 2995096 18.29 170180 4298280 3156820 18.12 850876 6523240 39000 14:30:14 6714988 13022136 2924348 17.86 180708 6132644 2989968 17.16 1542772 7577404 1103692 Average: 8117476 13029271 2922733 17.85 166101 4804331 3118256 17.90 1039964 6754627 414160 14:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:13 lo 1477.10 1477.10 1401.22 1401.22 0.00 0.00 0.00 0.00 14:10:13 ens3 93.12 71.99 418.02 16.05 0.00 0.00 0.00 0.00 14:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:14 lo 1522.00 1522.00 1449.76 1449.76 0.00 0.00 0.00 0.00 14:20:14 ens3 45.77 36.09 31.42 12.15 0.00 0.00 0.00 0.00 14:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:14 lo 2568.20 2568.20 9301.44 9301.44 0.00 0.00 0.00 0.00 14:30:14 ens3 20.37 17.46 95.42 4.72 0.00 0.00 0.00 0.00 14:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1855.54 1855.54 4048.98 4048.98 0.00 0.00 0.00 0.00 Average: ens3 53.08 41.84 181.44 10.98 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-38153) 08/16/26 _x86_64_ (4 CPU) 13:55:23 LINUX RESTART (4 CPU) 14:00:14 CPU %user %nice %system %iowait %steal %idle 14:10:13 all 69.04 0.00 2.62 0.09 0.10 28.15 14:10:13 0 68.62 0.00 2.68 0.11 0.10 28.50 14:10:13 1 69.64 0.00 2.23 0.10 0.10 27.92 14:10:13 2 69.40 0.00 2.88 0.12 0.10 27.50 14:10:13 3 68.50 0.00 2.68 0.05 0.10 28.67 14:20:14 all 65.03 0.00 2.71 0.09 0.11 32.05 14:20:14 0 64.91 0.00 2.68 0.05 0.11 32.25 14:20:14 1 63.67 0.00 2.59 0.13 0.11 33.50 14:20:14 2 64.18 0.00 2.49 0.11 0.11 33.11 14:20:14 3 67.38 0.00 3.08 0.07 0.11 29.36 14:30:14 all 31.33 0.00 1.28 0.06 0.08 67.26 14:30:14 0 28.05 0.00 1.30 0.03 0.08 70.55 14:30:14 1 29.38 0.00 1.26 0.04 0.08 69.24 14:30:14 2 23.50 0.00 1.38 0.13 0.08 74.91 14:30:14 3 44.39 0.00 1.19 0.03 0.09 54.31 Average: all 55.12 0.00 2.20 0.08 0.10 42.50 Average: 0 53.84 0.00 2.22 0.06 0.10 43.78 Average: 1 54.23 0.00 2.03 0.09 0.10 43.55 Average: 2 52.33 0.00 2.25 0.12 0.10 45.21 Average: 3 60.09 0.00 2.32 0.05 0.10 37.45