---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39693 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 65G 17% / 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 660 8177 4 7151 14986 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:1f:b8:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83400sec preferred_lft 83400sec inet6 fe80::f816:3eff:fe1f:b84e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:c4:d7:b1:ee:26 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-39693) 08/21/26 _x86_64_ (4 CPU) 17:55:45 LINUX RESTART (4 CPU) 18:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:13 23.36 3.82 18.20 1.34 194.37 3928.83 3080.25 18:20:19 18.92 0.07 16.65 2.20 6.72 2003.71 3737.35 18:30:19 35.95 0.03 32.29 3.64 0.64 4657.15 14263.96 18:40:06 8.27 0.03 8.02 0.23 0.61 6333.32 1743.30 Average: 21.69 0.98 18.85 1.86 50.39 4214.07 5730.18 18:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:13 10531104 13883312 2078332 12.69 126908 3368400 2223600 12.76 569364 4917784 15104 18:20:19 8054868 11849340 4107992 25.09 147612 3748996 4137352 23.75 722644 7191280 1880 18:30:19 7364800 12224244 3727980 22.77 172720 4740896 3637448 20.88 1023000 7525940 2276 18:40:06 5622588 12247084 3698620 22.59 188136 6430368 3658548 21.00 1686900 8537212 22320 Average: 7893340 12550995 3403231 20.79 158844 4572165 3414237 19.60 1000477 7043054 10395 18:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:13 lo 646.86 646.86 616.71 616.71 0.00 0.00 0.00 0.00 18:10:13 ens3 117.94 92.98 1119.74 17.41 0.00 0.00 0.00 0.00 18:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:19 lo 1086.47 1086.47 1029.04 1029.04 0.00 0.00 0.00 0.00 18:20:19 ens3 39.08 32.73 44.33 11.39 0.00 0.00 0.00 0.00 18:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:19 lo 1577.60 1577.60 1503.24 1503.24 0.00 0.00 0.00 0.00 18:30:19 ens3 45.18 36.07 26.88 13.20 0.00 0.00 0.00 0.00 18:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:06 lo 2616.13 2616.13 9505.05 9505.05 0.00 0.00 0.00 0.00 18:40:06 ens3 20.83 18.19 124.12 4.45 0.00 0.00 0.00 0.00 18:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1476.50 1476.50 3128.91 3128.91 0.00 0.00 0.00 0.00 Average: ens3 55.76 44.99 327.20 11.64 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-39693) 08/21/26 _x86_64_ (4 CPU) 17:55:45 LINUX RESTART (4 CPU) 18:00:19 CPU %user %nice %system %iowait %steal %idle 18:10:13 all 23.75 0.00 1.19 0.30 0.06 74.70 18:10:13 0 23.93 0.00 1.18 0.23 0.05 74.61 18:10:13 1 24.51 0.00 1.25 0.43 0.06 73.76 18:10:13 2 24.00 0.00 1.20 0.28 0.05 74.47 18:10:13 3 22.55 0.00 1.16 0.26 0.06 75.97 18:20:19 all 63.11 0.00 2.03 0.19 0.10 34.57 18:20:19 0 65.10 0.00 2.25 0.26 0.10 32.28 18:20:19 1 61.49 0.00 2.07 0.19 0.10 36.15 18:20:19 2 64.51 0.00 2.01 0.14 0.10 33.23 18:20:19 3 61.33 0.00 1.80 0.15 0.10 36.63 18:30:19 all 62.51 0.00 2.65 0.37 0.10 34.37 18:30:19 0 61.34 0.00 2.59 0.29 0.10 35.68 18:30:19 1 64.64 0.00 2.78 0.29 0.10 32.19 18:30:19 2 63.46 0.00 2.62 0.14 0.10 33.67 18:30:19 3 60.59 0.00 2.60 0.76 0.11 35.94 18:40:06 all 30.44 0.00 1.21 0.47 0.08 67.81 18:40:06 0 27.93 0.00 1.77 0.37 0.09 69.84 18:40:06 1 36.29 0.00 1.21 1.20 0.08 61.22 18:40:06 2 23.37 0.00 1.10 0.15 0.08 75.31 18:40:06 3 34.16 0.00 0.75 0.13 0.08 64.88 Average: all 45.12 0.00 1.78 0.33 0.08 52.69 Average: 0 44.76 0.00 1.95 0.29 0.09 52.91 Average: 1 46.87 0.00 1.83 0.53 0.09 50.69 Average: 2 44.04 0.00 1.74 0.18 0.08 53.96 Average: 3 44.80 0.00 1.58 0.32 0.08 53.21