---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2841 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 655 8215 4 7117 14989 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:8a:2e:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83224sec preferred_lft 83224sec inet6 fe80::f816:3eff:fe8a:2e05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:7d:82:39:81:27 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-2841) 09/07/26 _x86_64_ (4 CPU) 07:57:05 LINUX RESTART (4 CPU) 08:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:31 28.18 2.72 22.67 2.78 153.73 3934.60 4465.85 08:20:31 22.76 0.03 20.44 2.30 0.60 2044.64 9423.47 08:30:01 16.37 0.03 14.96 1.38 0.51 3521.48 6372.52 08:40:31 9.70 0.15 8.74 0.81 9.85 7001.51 1941.16 Average: 19.27 0.76 16.70 1.82 42.64 4166.18 5483.05 08:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:31 9750544 13391260 2566416 15.67 136528 3624496 2886208 16.57 681564 5552880 34488 08:20:31 9032064 13036736 2917740 17.82 156892 3936996 2915096 16.73 780032 6140620 21408 08:30:01 5693176 10554272 5397348 32.96 163676 4755560 5180600 29.74 1027612 9185488 132 08:40:31 8422852 15349504 594968 3.63 174692 6743800 1138880 6.54 1773224 5618000 104 Average: 8224659 13082943 2869118 17.52 157947 4765213 3030196 17.39 1065608 6624247 14033 08:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:31 lo 1647.26 1647.26 1564.73 1564.73 0.00 0.00 0.00 0.00 08:10:31 ens3 99.22 83.19 766.39 13.42 0.00 0.00 0.00 0.00 08:10:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:31 lo 1188.80 1188.80 1132.89 1132.89 0.00 0.00 0.00 0.00 08:20:31 ens3 16.64 15.03 15.50 5.53 0.00 0.00 0.00 0.00 08:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 735.62 735.62 2627.64 2627.64 0.00 0.00 0.00 0.00 08:30:01 ens3 13.31 11.24 13.05 4.36 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:31 lo 2365.90 2365.90 7041.20 7041.20 0.00 0.00 0.00 0.00 08:40:31 ens3 68.99 62.24 128.30 561.02 0.00 0.00 0.00 0.00 08:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1506.46 1506.46 3127.68 3127.68 0.00 0.00 0.00 0.00 Average: ens3 50.82 44.04 238.67 151.35 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-2841) 09/07/26 _x86_64_ (4 CPU) 07:57:05 LINUX RESTART (4 CPU) 08:00:02 CPU %user %nice %system %iowait %steal %idle 08:10:31 all 59.82 0.00 2.60 0.64 0.03 36.91 08:10:31 0 60.32 0.00 2.57 0.50 0.03 36.59 08:10:31 1 59.57 0.00 2.93 0.64 0.03 36.83 08:10:31 2 59.28 0.00 2.56 0.50 0.03 37.62 08:10:31 3 60.12 0.00 2.35 0.90 0.03 36.60 08:20:31 all 59.69 0.00 2.35 0.11 0.04 37.81 08:20:31 0 60.17 0.00 2.23 0.07 0.04 37.49 08:20:31 1 57.25 0.00 2.09 0.09 0.04 40.53 08:20:31 2 60.41 0.00 2.87 0.09 0.04 36.59 08:20:31 3 60.95 0.00 2.21 0.18 0.04 36.62 08:30:01 all 33.37 0.00 1.64 0.07 0.04 64.89 08:30:01 0 29.96 0.00 1.50 0.04 0.04 68.47 08:30:01 1 34.51 0.00 1.65 0.06 0.03 63.74 08:30:01 2 32.45 0.00 1.75 0.15 0.04 65.62 08:30:01 3 36.56 0.00 1.65 0.04 0.03 61.72 08:40:31 all 26.74 0.00 1.22 0.11 0.03 71.90 08:40:31 0 22.98 0.00 0.94 0.05 0.03 76.00 08:40:31 1 32.28 0.00 1.95 0.11 0.03 65.63 08:40:31 2 30.84 0.00 1.06 0.03 0.03 68.05 08:40:31 3 20.88 0.00 0.93 0.24 0.03 77.93 Average: all 45.00 0.00 1.95 0.24 0.03 52.78 Average: 0 43.45 0.00 1.81 0.17 0.03 54.54 Average: 1 46.04 0.00 2.17 0.23 0.03 51.53 Average: 2 45.88 0.00 2.05 0.20 0.04 51.83 Average: 3 44.61 0.00 1.78 0.35 0.03 53.22