---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7602 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 677 8046 4 7264 14968 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:d8:f9:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83936sec preferred_lft 83936sec inet6 fe80::f816:3eff:fed8:f9f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:28:d2:f3:e0:32 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7602) 09/12/26 _x86_64_ (4 CPU) 07:56:30 LINUX RESTART (4 CPU) 08:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 24.66 0.62 20.98 3.06 226.64 3637.56 3978.10 08:20:21 45.58 0.03 28.80 16.76 0.72 2567.14 235153.60 08:30:21 8.19 0.03 7.86 0.31 0.51 6930.61 1134.04 Average: 26.37 0.22 19.31 6.83 74.76 4359.74 82012.22 08:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 8550280 12488172 3468140 21.18 140900 3903092 3885632 22.30 766728 6654772 98856 08:20:21 7846032 12182036 3770608 23.03 170032 4242196 3830212 21.99 906688 7160104 39180 08:30:21 5841472 12371936 3573532 21.83 184772 6350132 3607092 20.70 1622748 8383816 264852 Average: 7412595 12347381 3604093 22.01 165235 4831807 3774312 21.66 1098721 7399564 134296 08:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 1419.00 1419.00 1346.06 1346.06 0.00 0.00 0.00 0.00 08:10:01 ens3 63.96 44.01 151.54 14.12 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:21 lo 1416.96 1416.96 1350.33 1350.33 0.00 0.00 0.00 0.00 08:20:21 ens3 41.85 30.49 30.38 12.05 0.00 0.00 0.00 0.00 08:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:21 lo 2529.61 2529.61 9291.77 9291.77 0.00 0.00 0.00 0.00 08:30:21 ens3 25.01 20.51 96.14 5.51 0.00 0.00 0.00 0.00 08:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1785.19 1785.19 3972.36 3972.36 0.00 0.00 0.00 0.00 Average: ens3 43.54 31.63 91.85 10.57 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7602) 09/12/26 _x86_64_ (4 CPU) 07:56:30 LINUX RESTART (4 CPU) 08:00:05 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 67.30 0.00 2.62 0.20 0.05 29.83 08:10:01 0 66.39 0.00 2.64 0.15 0.06 30.77 08:10:01 1 65.35 0.00 2.67 0.21 0.05 31.71 08:10:01 2 67.01 0.00 2.61 0.15 0.05 30.18 08:10:01 3 70.44 0.00 2.56 0.31 0.04 26.65 08:20:21 all 62.14 0.00 2.85 0.13 0.04 34.83 08:20:21 0 61.10 0.00 2.94 0.18 0.04 35.75 08:20:21 1 63.45 0.00 2.97 0.11 0.05 33.43 08:20:21 2 60.71 0.00 2.85 0.08 0.05 36.30 08:20:21 3 63.31 0.00 2.66 0.15 0.04 33.84 08:30:21 all 30.77 0.00 1.41 0.18 0.04 67.59 08:30:21 0 33.91 0.00 1.21 0.22 0.04 64.62 08:30:21 1 32.44 0.00 1.99 0.23 0.04 65.30 08:30:21 2 23.74 0.00 1.60 0.16 0.03 74.48 08:30:21 3 33.00 0.00 0.86 0.11 0.04 65.99 Average: all 53.47 0.00 2.30 0.17 0.04 44.01 Average: 0 53.85 0.00 2.27 0.18 0.05 43.66 Average: 1 53.83 0.00 2.55 0.18 0.05 43.40 Average: 2 50.57 0.00 2.36 0.13 0.05 46.90 Average: 3 55.64 0.00 2.03 0.19 0.04 42.10