---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36064 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: 5599.86 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 66G 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 664 9337 4 5986 14981 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:f1:0b:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84441sec preferred_lft 84441sec inet6 fe80::f816:3eff:fef1:bc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:31:7b:72:51:90 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-36064) 08/12/26 _x86_64_ (4 CPU) 01:06:54 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:21 25.05 2.44 19.63 2.98 141.59 3529.07 47091.68 01:30:13 21.20 0.20 18.02 2.98 4.97 1681.90 32363.26 Average: 23.17 1.34 18.85 2.98 74.80 2626.10 39891.84 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:21 9642144 13193236 2765900 16.89 130560 3535628 3094312 17.76 676524 5658752 17300 01:30:13 9394112 13305764 2649968 16.18 150264 3848812 2846804 16.34 797864 5739992 20812 Average: 9518128 13249500 2707934 16.54 140412 3692220 2970558 17.05 737194 5699372 19056 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:21 lo 20.99 20.99 4.73 4.73 0.00 0.00 0.00 0.00 01:20:21 ens3 74.00 58.18 609.03 11.40 0.00 0.00 0.00 0.00 01:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:13 lo 1284.89 1284.89 1194.22 1194.22 0.00 0.00 0.00 0.00 01:30:13 ens3 37.61 28.58 270.12 6.47 0.00 0.00 0.00 0.00 01:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 638.84 638.84 586.20 586.20 0.00 0.00 0.00 0.00 Average: ens3 56.21 43.71 443.36 8.99 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-36064) 08/12/26 _x86_64_ (4 CPU) 01:06:54 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:21 all 39.30 0.00 1.48 0.13 0.09 59.00 01:20:21 0 37.99 0.00 1.39 0.14 0.09 60.40 01:20:21 1 39.33 0.00 1.41 0.17 0.09 59.01 01:20:21 2 39.49 0.00 1.27 0.08 0.09 59.06 01:20:21 3 40.40 0.00 1.86 0.11 0.09 57.53 01:30:13 all 25.49 0.00 1.51 0.07 0.09 72.84 01:30:13 0 25.12 0.00 1.51 0.08 0.09 73.20 01:30:13 1 25.59 0.00 1.64 0.04 0.09 72.65 01:30:13 2 25.02 0.00 1.32 0.09 0.10 73.48 01:30:13 3 26.25 0.00 1.56 0.05 0.09 72.04 Average: all 32.56 0.00 1.49 0.10 0.09 65.76 Average: 0 31.70 0.00 1.45 0.11 0.09 66.65 Average: 1 32.61 0.00 1.52 0.10 0.09 65.67 Average: 2 32.43 0.00 1.29 0.09 0.09 66.10 Average: 3 33.50 0.00 1.71 0.09 0.09 64.61