---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37349 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 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 698 8006 4 7284 14948 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:9d:f2:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83897sec preferred_lft 83897sec inet6 fe80::f816:3eff:fe9d:f2bb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:42:34:d2:f6:59 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37349) 08/13/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 23.95 0.03 21.24 2.69 0.81 2145.32 7824.45 19:30:01 29.31 0.03 26.43 2.85 0.68 4259.21 14496.02 19:40:14 11.94 0.14 10.59 1.20 9.70 7409.83 3142.80 Average: 21.62 0.07 19.32 2.24 3.77 4609.26 8396.58 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 8780284 12814068 3141028 19.18 154076 3973360 3207720 18.41 759148 6417992 21272 19:30:01 7130184 12137796 3813328 23.29 173720 4885928 3648556 20.94 1032036 7739424 264 19:40:14 8232828 15332736 610680 3.73 193900 6889960 1133960 6.51 1785812 5794716 124 Average: 8047765 13428200 2521679 15.40 173899 5249749 2663412 15.29 1192332 6650711 7220 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 1322.69 1322.69 1254.92 1254.92 0.00 0.00 0.00 0.00 19:20:14 ens3 34.14 27.97 14.20 9.79 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1195.95 1195.95 1134.15 1134.15 0.00 0.00 0.00 0.00 19:30:01 ens3 43.32 32.75 24.86 10.99 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 2487.27 2487.27 9079.52 9079.52 0.00 0.00 0.00 0.00 19:40:14 ens3 48.62 53.45 160.68 557.13 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1675.68 1675.68 3862.78 3862.78 0.00 0.00 0.00 0.00 Average: ens3 42.01 38.13 67.20 195.33 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-37349) 08/13/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 63.59 0.00 2.27 0.05 0.10 34.00 19:20:14 0 63.32 0.00 2.28 0.08 0.09 34.22 19:20:14 1 63.95 0.00 2.12 0.03 0.10 33.80 19:20:14 2 62.87 0.00 2.43 0.05 0.10 34.55 19:20:14 3 64.20 0.00 2.24 0.04 0.10 33.42 19:30:01 all 52.10 0.00 2.24 0.10 0.09 45.47 19:30:01 0 55.16 0.00 2.51 0.08 0.09 42.16 19:30:01 1 51.29 0.00 2.04 0.04 0.09 46.53 19:30:01 2 51.75 0.00 2.24 0.15 0.09 45.78 19:30:01 3 50.21 0.00 2.17 0.13 0.09 47.40 19:40:14 all 32.49 0.00 1.36 0.11 0.08 65.96 19:40:14 0 25.68 0.00 1.15 0.12 0.08 72.97 19:40:14 1 38.76 0.00 1.63 0.05 0.08 59.48 19:40:14 2 31.66 0.00 1.44 0.23 0.09 66.58 19:40:14 3 33.87 0.00 1.24 0.03 0.08 64.77 Average: all 49.35 0.00 1.95 0.09 0.09 48.52 Average: 0 47.91 0.00 1.97 0.09 0.09 49.94 Average: 1 51.34 0.00 1.93 0.04 0.09 46.60 Average: 2 48.72 0.00 2.03 0.14 0.09 49.01 Average: 3 49.41 0.00 1.88 0.07 0.09 48.55