---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6444 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 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 765 9324 4 5898 14880 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:61:d4:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83840sec preferred_lft 83840sec inet6 fe80::f816:3eff:fe61:d45a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:56:e5:ed:52:ad 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-6444) 09/09/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:31 32.66 0.41 27.42 4.82 14.19 4414.96 6558.71 20:50:10 50.47 0.00 40.15 10.32 0.00 2924.14 10017.08 21:00:18 17.45 0.17 14.75 2.53 10.48 3770.14 1744.54 Average: 33.25 0.20 27.23 5.82 8.35 3714.65 6042.61 20:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:31 9298936 13537384 2413656 14.74 188264 4099400 2698104 15.49 764084 5819272 12936 20:50:10 8622072 13308064 2638560 16.12 217372 4476928 2878084 16.52 874900 6362388 23144 21:00:18 9687756 15360176 583888 3.57 239444 5395196 1132476 6.50 1211888 4890220 12 Average: 9202921 14068541 1878701 11.47 215027 4657175 2236221 12.84 950291 5690627 12031 20:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:31 lo 2062.67 2062.67 1966.43 1966.43 0.00 0.00 0.00 0.00 20:40:31 ens3 97.63 73.20 329.02 22.74 0.00 0.00 0.00 0.00 20:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5178.18 5178.18 4937.88 4937.88 0.00 0.00 0.00 0.00 20:50:10 ens3 82.05 55.87 25.46 21.44 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:18 lo 1090.13 1090.13 1029.44 1029.44 0.00 0.00 0.00 0.00 21:00:18 ens3 74.61 68.12 128.03 116.35 0.00 0.00 0.00 0.00 21:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2739.09 2739.09 2608.38 2608.38 0.00 0.00 0.00 0.00 Average: ens3 84.79 65.88 162.78 54.08 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-6444) 09/09/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:26 CPU %user %nice %system %iowait %steal %idle 20:40:31 all 63.92 0.00 3.41 0.09 0.03 32.55 20:40:31 0 63.32 0.00 3.21 0.10 0.03 33.34 20:40:31 1 65.07 0.00 3.29 0.10 0.04 31.50 20:40:31 2 63.35 0.00 3.43 0.07 0.03 33.11 20:40:31 3 63.94 0.00 3.69 0.09 0.03 32.24 20:50:10 all 60.97 0.00 4.38 0.23 0.03 34.39 20:50:10 0 60.74 0.00 4.04 0.35 0.02 34.85 20:50:10 1 60.57 0.00 4.31 0.20 0.03 34.89 20:50:10 2 61.58 0.00 4.96 0.16 0.02 33.27 20:50:10 3 60.98 0.00 4.21 0.22 0.03 34.56 21:00:18 all 26.11 0.00 1.60 0.12 0.02 72.14 21:00:18 0 21.99 0.00 1.46 0.16 0.01 76.37 21:00:18 1 24.87 0.00 1.70 0.11 0.02 73.31 21:00:18 2 24.20 0.00 1.50 0.13 0.02 74.15 21:00:18 3 33.41 0.00 1.76 0.09 0.02 64.72 Average: all 50.13 0.00 3.11 0.15 0.03 46.59 Average: 0 48.45 0.00 2.88 0.20 0.02 48.45 Average: 1 49.98 0.00 3.08 0.14 0.03 46.78 Average: 2 49.48 0.00 3.27 0.12 0.03 47.10 Average: 3 52.62 0.00 3.20 0.13 0.03 44.02