---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3423 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 737 9594 4 5657 14909 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:4c:64:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84389sec preferred_lft 84389sec inet6 fe80::f816:3eff:fe4c:640a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:07:df:09:84:be 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-3423) 08/08/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:05 22.46 3.43 18.21 0.83 177.94 5089.18 2041.54 06:50:04 35.37 0.15 31.47 3.75 6.78 3424.87 24916.68 07:00:05 36.57 0.15 19.75 16.67 10.02 5967.08 235356.56 Average: 31.46 1.24 23.14 7.09 64.96 4828.30 87505.50 06:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:05 9117308 12658400 3300772 20.16 142440 3505192 3612784 20.74 624128 6218808 7668 06:50:04 8756848 13096288 2856548 17.45 177968 4203764 3080940 17.68 830880 6309084 185140 07:00:05 9941612 15372948 574016 3.51 203464 5204760 1104520 6.34 917172 4945428 248 Average: 9271923 13709212 2243779 13.70 174624 4304572 2599415 14.92 790727 5824440 64352 06:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:05 lo 306.68 306.68 290.74 290.74 0.00 0.00 0.00 0.00 06:40:05 ens3 91.66 72.51 828.16 14.69 0.00 0.00 0.00 0.00 06:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:04 lo 1801.75 1801.75 1717.67 1717.67 0.00 0.00 0.00 0.00 06:50:04 ens3 57.11 45.54 188.49 13.73 0.00 0.00 0.00 0.00 06:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:05 lo 118.47 118.47 104.24 104.24 0.00 0.00 0.00 0.00 07:00:05 ens3 75.12 67.73 120.24 192.74 0.00 0.00 0.00 0.00 07:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.38 741.38 703.34 703.34 0.00 0.00 0.00 0.00 Average: ens3 74.65 61.94 379.08 73.78 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-3423) 08/08/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:04 CPU %user %nice %system %iowait %steal %idle 06:40:05 all 37.43 0.00 1.23 0.21 0.06 61.07 06:40:05 0 37.19 0.00 1.34 0.13 0.07 61.28 06:40:05 1 35.24 0.00 1.07 0.21 0.06 63.42 06:40:05 2 38.02 0.00 1.26 0.11 0.06 60.55 06:40:05 3 39.28 0.00 1.26 0.38 0.06 59.02 06:50:04 all 64.13 0.00 2.79 0.21 0.10 32.78 06:50:04 0 63.32 0.00 3.12 0.16 0.10 33.30 06:50:04 1 63.56 0.00 2.67 0.17 0.10 33.49 06:50:04 2 64.93 0.00 2.32 0.29 0.10 32.36 06:50:04 3 64.70 0.00 3.05 0.20 0.10 31.96 07:00:05 all 47.14 0.00 1.61 0.29 0.08 50.88 07:00:05 0 46.68 0.00 1.56 0.41 0.08 51.27 07:00:05 1 45.05 0.00 1.82 0.21 0.08 52.83 07:00:05 2 48.83 0.00 1.48 0.34 0.08 49.27 07:00:05 3 47.98 0.00 1.57 0.21 0.08 50.15 Average: all 49.54 0.00 1.88 0.24 0.08 48.27 Average: 0 49.04 0.00 2.01 0.23 0.08 48.64 Average: 1 47.91 0.00 1.85 0.20 0.08 49.96 Average: 2 50.58 0.00 1.69 0.25 0.08 47.41 Average: 3 50.63 0.00 1.96 0.27 0.08 47.07