---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47133 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: 5600.00 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 16G 62G 21% / 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 1330 6769 4 7888 14314 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:ba:0e:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82148sec preferred_lft 82148sec inet6 fe80::f816:3eff:feba:eb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:6b:c8:17:04:21 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 inet6 fe80::546b:c8ff:fe17:421/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47133) 09/03/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 15.45 0.66 13.98 0.81 61.00 1435.21 751.36 09:40:11 7.60 0.18 7.04 0.38 15.12 248.76 944.37 09:50:01 4.86 0.00 4.58 0.27 0.01 154.68 549.94 10:00:01 19.13 0.73 17.36 1.03 8.80 1752.71 778.84 10:10:02 24.99 0.06 23.74 1.18 3.27 1636.68 1813.18 10:20:01 16.21 0.21 15.26 0.74 5.94 439.20 606.44 Average: 14.71 0.31 13.67 0.74 15.61 944.06 909.44 09:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 623152 8919856 7005796 42.79 233520 7885884 7767220 44.58 1935552 13071940 128 09:40:11 2974728 11285352 4641716 28.35 235236 7898112 5456168 31.32 1995852 10670864 136 09:50:01 2586312 10905032 5021824 30.67 236352 7905040 6963232 39.97 1999196 11049028 924 10:00:01 3489096 12200408 3725064 22.75 249060 8269516 4777140 27.42 2106124 10024700 10928 10:10:02 5909392 13502312 2424336 14.81 260096 7153716 3153384 18.10 2223680 7498860 13144 10:20:01 6366164 14013512 1914720 11.69 262932 7205160 3023552 17.36 2249920 7007492 15904 Average: 3658141 11804412 4122243 25.18 246199 7719571 5190116 29.79 2085054 9887147 6861 09:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 8.89 8.89 6.11 6.11 0.00 0.00 0.00 0.00 09:30:01 ens3 0.74 0.54 0.18 0.15 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:11 lo 9.42 9.42 5.13 5.13 0.00 0.00 0.00 0.00 09:40:11 ens3 0.57 0.39 0.09 0.07 0.00 0.00 0.00 0.00 09:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 8.57 8.57 5.12 5.12 0.00 0.00 0.00 0.00 09:50:01 ens3 0.65 0.60 0.11 0.10 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 12.87 12.87 10.61 10.61 0.00 0.00 0.00 0.00 10:00:01 ens3 1.01 0.94 0.32 0.27 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:02 lo 18.04 18.04 11.08 11.08 0.00 0.00 0.00 0.00 10:10:02 ens3 1.29 1.35 0.30 0.28 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 24.07 24.07 11.10 11.10 0.00 0.00 0.00 0.00 10:20:01 ens3 1.93 1.87 0.61 1.57 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.66 13.66 8.20 8.20 0.00 0.00 0.00 0.00 Average: ens3 1.03 0.95 0.27 0.40 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-16g-47133) 09/03/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:11 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 18.98 0.00 0.91 0.10 0.08 79.93 09:30:01 0 19.12 0.00 0.97 0.15 0.07 79.69 09:30:01 1 19.36 0.00 0.93 0.06 0.09 79.57 09:30:01 2 18.49 0.00 0.92 0.07 0.07 80.45 09:30:01 3 18.96 0.00 0.83 0.13 0.08 80.00 09:40:11 all 15.54 0.00 0.75 0.04 0.07 83.60 09:40:11 0 14.77 0.00 0.85 0.08 0.06 84.23 09:40:11 1 16.08 0.00 0.84 0.02 0.07 82.99 09:40:11 2 15.56 0.00 0.59 0.02 0.07 83.77 09:40:11 3 15.76 0.00 0.72 0.05 0.07 83.40 09:50:01 all 10.11 0.00 0.64 0.03 0.06 89.16 09:50:01 0 10.39 0.00 0.70 0.05 0.06 88.80 09:50:01 1 9.61 0.00 0.62 0.03 0.06 89.68 09:50:01 2 10.18 0.00 0.56 0.03 0.06 89.17 09:50:01 3 10.27 0.00 0.66 0.01 0.06 88.99 10:00:01 all 26.12 0.00 1.16 0.07 0.05 72.60 10:00:01 0 25.75 0.00 1.26 0.10 0.05 72.83 10:00:01 1 26.06 0.00 1.22 0.07 0.05 72.61 10:00:01 2 27.27 0.00 1.06 0.06 0.06 71.56 10:00:01 3 25.41 0.00 1.09 0.06 0.05 73.40 10:10:02 all 38.14 0.00 1.55 0.12 0.07 60.12 10:10:02 0 37.58 0.00 1.46 0.03 0.08 60.86 10:10:02 1 39.30 0.00 1.60 0.05 0.07 59.00 10:10:02 2 38.12 0.00 1.61 0.17 0.07 60.02 10:10:02 3 37.54 0.00 1.55 0.23 0.08 60.59 10:20:01 all 27.84 0.00 1.21 0.08 0.05 70.81 10:20:01 0 28.25 0.00 1.17 0.03 0.05 70.50 10:20:01 1 27.96 0.00 1.32 0.04 0.05 70.63 10:20:01 2 27.09 0.00 1.12 0.06 0.05 71.68 10:20:01 3 28.07 0.00 1.22 0.21 0.06 70.44 Average: all 22.82 0.00 1.04 0.08 0.06 76.00 Average: 0 22.67 0.00 1.07 0.07 0.06 76.13 Average: 1 23.09 0.00 1.09 0.04 0.06 75.71 Average: 2 22.82 0.00 0.98 0.07 0.06 76.07 Average: 3 22.70 0.00 1.01 0.12 0.07 76.11