---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41989 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: 5599.99 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 651 7618 4 7718 14994 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:f7:8a:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83789sec preferred_lft 83789sec inet6 fe80::f816:3eff:fef7:8a3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:7b:9c:21:1c:43 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::287b:9cff:fe21:1c43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41989) 08/28/26 _x86_64_ (4 CPU) 08:27:07 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:05 40.39 0.99 23.11 16.29 43.10 3831.53 243840.99 08:50:01 31.44 0.03 28.20 3.21 0.64 2526.85 12534.23 09:00:01 6.71 0.02 6.16 0.53 0.44 2781.86 40380.08 09:10:09 28.86 1.92 25.25 1.68 319.57 9070.36 21588.29 Average: 26.87 0.75 20.69 5.43 91.79 4570.22 79745.58 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:05 8889584 12589528 3367696 20.57 137576 3677752 3390580 19.46 699304 6383296 4256 08:50:01 8856076 12994912 2958564 18.07 160956 4060540 2995800 17.20 827324 6236944 23612 09:00:01 5407472 10276652 5674844 34.66 162504 4765016 5401380 31.00 1035448 9445744 29912 09:10:09 7867388 15412404 526052 3.21 198240 7297856 1133896 6.51 1958404 5945456 7032 Average: 7755130 12818374 3131789 19.13 164819 4950291 3230414 18.54 1130120 7002860 16203 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:05 lo 1538.07 1538.07 1459.60 1459.60 0.00 0.00 0.00 0.00 08:40:05 ens3 62.15 47.63 493.05 10.07 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 1573.14 1573.14 1498.49 1498.49 0.00 0.00 0.00 0.00 08:50:01 ens3 24.22 20.05 20.16 6.38 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 472.18 472.18 6997.72 6997.72 0.00 0.00 0.00 0.00 09:00:01 ens3 6.05 5.21 6.62 2.03 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:09 lo 2164.21 2164.21 2367.37 2367.37 0.00 0.00 0.00 0.00 09:10:09 ens3 166.27 184.16 370.85 2449.49 0.00 0.00 0.00 0.00 09:10:09 docker0 79.60 67.00 1222.77 9.20 0.00 0.00 0.00 0.00 Average: lo 1439.19 1439.19 3079.05 3079.05 0.00 0.00 0.00 0.00 Average: ens3 65.08 64.71 223.90 623.30 0.00 0.00 0.00 0.00 Average: docker0 20.10 16.92 308.84 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41989) 08/28/26 _x86_64_ (4 CPU) 08:27:07 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:05 all 65.90 0.00 2.70 0.11 0.04 31.25 08:40:05 0 65.35 0.00 2.74 0.07 0.04 31.81 08:40:05 1 66.01 0.00 2.69 0.11 0.04 31.14 08:40:05 2 64.73 0.00 2.51 0.18 0.04 32.53 08:40:05 3 67.49 0.00 2.84 0.09 0.05 29.53 08:50:01 all 62.04 0.00 2.77 0.23 0.05 34.91 08:50:01 0 58.67 0.00 2.52 0.32 0.05 38.43 08:50:01 1 61.94 0.00 2.88 0.34 0.06 34.78 08:50:01 2 63.09 0.00 2.79 0.13 0.05 33.94 08:50:01 3 64.46 0.00 2.88 0.13 0.06 32.47 09:00:01 all 31.82 0.00 1.21 0.13 0.06 66.78 09:00:01 0 30.11 0.00 1.49 0.09 0.06 68.24 09:00:01 1 31.26 0.00 1.13 0.14 0.06 67.40 09:00:01 2 28.10 0.00 1.14 0.14 0.06 70.56 09:00:01 3 37.81 0.00 1.08 0.13 0.06 60.92 09:10:09 all 26.59 0.00 2.22 0.37 0.06 70.76 09:10:09 0 29.75 0.00 2.36 0.73 0.05 67.11 09:10:09 1 24.59 0.00 2.20 0.32 0.05 72.85 09:10:09 2 28.87 0.00 2.74 0.21 0.06 68.13 09:10:09 3 23.14 0.00 1.60 0.23 0.07 74.97 Average: all 46.50 0.00 2.22 0.21 0.05 51.01 Average: 0 45.88 0.00 2.28 0.31 0.05 51.49 Average: 1 45.85 0.00 2.22 0.23 0.05 51.65 Average: 2 46.13 0.00 2.30 0.17 0.05 51.35 Average: 3 48.14 0.00 2.10 0.14 0.06 49.56