---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39336 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 668 8258 4 7062 14978 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:57:3c:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83603sec preferred_lft 83603sec inet6 fe80::f816:3eff:fe57:3c18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:f6:b3:bf:f5:79 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-39336) 08/21/26 _x86_64_ (4 CPU) 04:27:55 LINUX RESTART (4 CPU) 04:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:03 20.20 2.92 15.89 1.40 155.83 3747.65 4394.42 04:50:03 21.39 0.06 18.89 2.44 6.49 2155.48 5560.05 05:00:03 31.64 0.03 28.45 3.16 0.93 4367.31 11162.51 05:10:03 10.75 0.15 9.38 1.22 9.93 7306.99 1430.44 Average: 21.00 0.79 18.15 2.05 43.30 4394.35 5636.86 04:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:03 10564128 13898836 2062976 12.60 125768 3352920 2614432 15.01 575672 4879748 23532 04:50:03 8883684 12678848 3278176 20.02 149848 3745724 3381160 19.41 730524 6349936 20500 05:00:03 7475728 12276164 3676552 22.45 171780 4685236 3571468 20.50 1012144 7420228 2140 05:10:03 8503064 15375012 571288 3.49 188012 6673720 1109080 6.37 1761852 5562528 25020 Average: 8856651 13557215 2397248 14.64 158852 4614400 2669035 15.32 1020048 6053110 17798 04:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:03 lo 718.43 718.43 684.90 684.90 0.00 0.00 0.00 0.00 04:40:03 ens3 114.54 88.16 975.31 15.94 0.00 0.00 0.00 0.00 04:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:03 lo 1219.96 1219.96 1156.02 1156.02 0.00 0.00 0.00 0.00 04:50:03 ens3 40.65 33.15 43.87 11.13 0.00 0.00 0.00 0.00 04:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:03 lo 1373.64 1373.64 1305.26 1305.26 0.00 0.00 0.00 0.00 05:00:03 ens3 46.66 36.32 26.72 12.89 0.00 0.00 0.00 0.00 05:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:03 lo 2559.34 2559.34 9293.50 9293.50 0.00 0.00 0.00 0.00 05:10:03 ens3 28.08 27.93 128.67 191.34 0.00 0.00 0.00 0.00 05:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1467.85 1467.85 3109.92 3109.92 0.00 0.00 0.00 0.00 Average: ens3 57.48 46.39 293.64 57.82 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-39336) 08/21/26 _x86_64_ (4 CPU) 04:27:55 LINUX RESTART (4 CPU) 04:30:03 CPU %user %nice %system %iowait %steal %idle 04:40:03 all 28.16 0.00 1.29 0.07 0.06 70.42 04:40:03 0 26.83 0.00 0.90 0.03 0.06 72.19 04:40:03 1 28.54 0.00 1.42 0.06 0.06 69.92 04:40:03 2 29.73 0.00 1.40 0.06 0.07 68.74 04:40:03 3 27.55 0.00 1.45 0.11 0.06 70.84 04:50:03 all 65.70 0.00 2.22 0.06 0.11 31.91 04:50:03 0 65.34 0.00 1.91 0.06 0.11 32.58 04:50:03 1 66.68 0.00 2.84 0.03 0.11 30.34 04:50:03 2 64.38 0.00 1.79 0.14 0.11 33.58 04:50:03 3 66.38 0.00 2.34 0.02 0.11 31.16 05:00:03 all 57.04 0.00 2.42 0.08 0.10 40.35 05:00:03 0 55.78 0.00 2.58 0.07 0.10 41.46 05:00:03 1 56.30 0.00 2.53 0.17 0.10 40.90 05:00:03 2 56.09 0.00 2.18 0.05 0.10 41.58 05:00:03 3 60.00 0.00 2.38 0.04 0.10 37.48 05:10:03 all 32.16 0.00 1.36 0.13 0.07 66.28 05:10:03 0 25.16 0.00 1.84 0.15 0.07 72.78 05:10:03 1 34.59 0.00 1.75 0.28 0.07 63.30 05:10:03 2 34.49 0.00 0.90 0.02 0.08 64.52 05:10:03 3 34.43 0.00 0.96 0.06 0.07 64.48 Average: all 45.75 0.00 1.82 0.08 0.09 52.26 Average: 0 43.25 0.00 1.81 0.08 0.08 54.78 Average: 1 46.52 0.00 2.14 0.14 0.09 51.12 Average: 2 46.16 0.00 1.57 0.07 0.09 52.12 Average: 3 47.08 0.00 1.78 0.06 0.08 51.00