---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39146 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 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 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 660 8170 4 7158 14986 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:a6:10:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83910sec preferred_lft 83910sec inet6 fe80::f816:3eff:fea6:10e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:86:88:31:a0:a7 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39146) 07/26/26 _x86_64_ (4 CPU) 19:03:12 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 20.28 0.07 17.70 2.51 6.62 1989.89 15914.74 19:30:02 34.83 0.02 31.26 3.55 0.25 2705.94 31460.53 19:40:09 8.67 0.02 8.42 0.24 0.25 7473.59 1975.08 Average: 21.21 0.04 19.08 2.09 2.37 4067.80 16394.38 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 8647532 12496496 3460012 21.13 144516 3808896 3537308 20.30 776664 6542644 40404 19:30:02 7730252 12585048 3367036 20.56 169824 4743796 3577004 20.53 1070892 7115216 566656 19:40:09 6194104 12803484 3142552 19.19 184932 6425092 3232544 18.55 1709692 7944244 153928 Average: 7523963 12628343 3323200 20.30 166424 4992595 3448952 19.80 1185749 7200701 253663 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1215.12 1215.12 1151.59 1151.59 0.00 0.00 0.00 0.00 19:20:01 ens3 47.90 38.13 46.99 12.21 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:02 lo 1542.81 1542.81 1470.26 1470.26 0.00 0.00 0.00 0.00 19:30:02 ens3 45.22 36.98 26.73 13.13 0.00 0.00 0.00 0.00 19:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 2536.33 2536.33 9189.37 9189.37 0.00 0.00 0.00 0.00 19:40:09 ens3 18.49 16.51 91.64 4.17 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1767.24 1767.24 3954.81 3954.81 0.00 0.00 0.00 0.00 Average: ens3 37.14 30.49 55.25 9.82 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39146) 07/26/26 _x86_64_ (4 CPU) 19:03:12 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 62.97 0.00 2.16 0.06 0.10 34.71 19:20:01 0 63.12 0.00 2.17 0.04 0.10 34.57 19:20:01 1 63.07 0.00 2.41 0.08 0.11 34.33 19:20:01 2 62.55 0.00 2.19 0.06 0.11 35.09 19:20:01 3 63.11 0.00 1.88 0.05 0.11 34.86 19:30:02 all 62.59 0.00 2.57 0.12 0.10 34.60 19:30:02 0 61.91 0.00 2.71 0.16 0.10 35.11 19:30:02 1 62.45 0.00 2.21 0.15 0.10 35.08 19:30:02 2 63.49 0.00 2.67 0.13 0.11 33.59 19:30:02 3 62.52 0.00 2.69 0.05 0.10 34.63 19:40:09 all 29.32 0.00 1.14 0.18 0.07 69.28 19:40:09 0 26.69 0.00 0.97 0.16 0.07 72.11 19:40:09 1 28.31 0.00 1.31 0.04 0.07 70.26 19:40:09 2 26.63 0.00 1.42 0.09 0.07 71.79 19:40:09 3 35.66 0.00 0.87 0.43 0.07 62.97 Average: all 51.54 0.00 1.96 0.12 0.09 46.29 Average: 0 50.48 0.00 1.95 0.12 0.09 47.36 Average: 1 51.19 0.00 1.98 0.09 0.09 46.65 Average: 2 50.79 0.00 2.09 0.09 0.09 46.93 Average: 3 53.70 0.00 1.81 0.18 0.09 44.22