---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2479 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 66G 16% / 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 8742 4 6595 14995 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:4e:90:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84085sec preferred_lft 84085sec inet6 fe80::f816:3eff:fe4e:905b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:1d:7f:03:a7:a4 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2479) 04/13/26 _x86_64_ (4 CPU) 08:05:33 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:19 25.91 0.62 22.32 2.97 29.12 3047.30 5645.37 08:30:02 31.66 0.02 28.41 3.24 0.25 2468.32 14508.08 08:40:01 14.09 0.33 12.12 1.65 12.12 8663.87 3908.12 Average: 23.84 0.33 20.90 2.62 14.10 4727.67 7941.09 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:19 9879620 13405288 2553820 15.60 139928 3509032 2705888 15.53 685472 5428756 4656 08:30:02 8512040 12676276 3278476 20.02 165052 4080368 3354388 19.25 840548 6593584 231636 08:40:01 8981372 15374852 573396 3.50 183300 6220736 1103868 6.34 1650440 5226956 40988 Average: 9124344 13818805 2135231 13.04 162760 4603379 2388048 13.71 1058820 5749765 92427 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:19 lo 1329.23 1329.23 1260.31 1260.31 0.00 0.00 0.00 0.00 08:20:19 ens3 56.76 43.88 55.85 13.79 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:02 lo 1510.36 1510.36 1439.34 1439.34 0.00 0.00 0.00 0.00 08:30:02 ens3 38.33 31.15 46.04 10.74 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 2543.41 2543.41 9393.11 9393.11 0.00 0.00 0.00 0.00 08:40:01 ens3 35.54 30.51 135.79 17.64 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1791.80 1791.80 4023.36 4023.36 0.00 0.00 0.00 0.00 Average: ens3 43.73 35.31 79.26 14.08 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2479) 04/13/26 _x86_64_ (4 CPU) 08:05:33 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:19 all 69.77 0.00 2.47 0.29 0.14 27.34 08:20:19 0 70.86 0.00 2.27 0.11 0.14 26.62 08:20:19 1 68.45 0.00 2.40 0.14 0.14 28.87 08:20:19 2 71.11 0.00 2.73 0.53 0.14 25.48 08:20:19 3 68.65 0.00 2.46 0.37 0.14 28.39 08:30:02 all 65.95 0.00 2.62 0.51 0.18 30.74 08:30:02 0 67.34 0.00 2.66 0.56 0.20 29.24 08:30:02 1 66.55 0.00 2.67 0.65 0.21 29.92 08:30:02 2 64.95 0.00 2.65 0.04 0.14 32.21 08:30:02 3 64.97 0.00 2.51 0.79 0.15 31.59 08:40:01 all 40.44 0.00 1.58 0.14 0.09 57.76 08:40:01 0 43.91 0.00 1.37 0.06 0.09 54.57 08:40:01 1 38.48 0.00 1.19 0.02 0.09 60.22 08:40:01 2 39.75 0.00 1.72 0.32 0.08 58.13 08:40:01 3 39.63 0.00 2.03 0.15 0.09 58.10 Average: all 58.76 0.00 2.22 0.31 0.13 38.58 Average: 0 60.75 0.00 2.10 0.24 0.14 36.78 Average: 1 57.83 0.00 2.09 0.26 0.14 39.68 Average: 2 58.66 0.00 2.37 0.30 0.12 38.54 Average: 3 57.79 0.00 2.33 0.43 0.13 39.32