---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36958 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 647 8218 4 7123 14998 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:65:66:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84179sec preferred_lft 84179sec inet6 fe80::f816:3eff:fe65:6625/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:be:c8:e0:9d:f3 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::2cbe:c8ff:fee0:9df3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-36958) 08/12/26 _x86_64_ (4 CPU) 14:53:36 LINUX RESTART (4 CPU) 15:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:00 25.14 0.03 22.33 2.78 0.61 2283.09 9222.66 15:20:00 26.62 0.03 24.02 2.56 0.65 4256.27 8522.48 15:30:26 28.80 1.88 25.12 1.80 309.19 7556.08 2078.94 Average: 26.90 0.67 23.86 2.37 107.49 4764.90 6516.01 15:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:00 8619400 12536436 3420384 20.89 144468 3872848 3404816 19.54 729736 6613512 120848 15:20:00 5409596 10207624 5745072 35.09 161308 4698688 5541992 31.81 1027700 9465184 29684 15:30:26 8429796 15370824 571124 3.49 199628 6712216 1180480 6.78 1778744 5584700 12172 Average: 7486264 12704961 3245527 19.82 168468 5094584 3375763 19.38 1178727 7221132 54235 15:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:00 lo 1554.71 1554.71 1475.90 1475.90 0.00 0.00 0.00 0.00 15:10:00 ens3 28.81 22.59 11.05 6.51 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:00 lo 993.17 993.17 986.01 986.01 0.00 0.00 0.00 0.00 15:20:00 ens3 24.25 20.06 33.35 6.37 0.00 0.00 0.00 0.00 15:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:26 lo 344.78 344.78 6517.17 6517.17 0.00 0.00 0.00 0.00 15:30:26 ens3 140.39 154.52 330.72 1901.95 0.00 0.00 0.00 0.00 15:30:26 docker0 68.90 61.68 949.08 8.56 0.00 0.00 0.00 0.00 Average: lo 949.09 949.09 3058.98 3058.98 0.00 0.00 0.00 0.00 Average: ens3 65.93 67.44 129.17 662.88 0.00 0.00 0.00 0.00 Average: docker0 23.86 21.36 328.68 2.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-36958) 08/12/26 _x86_64_ (4 CPU) 14:53:36 LINUX RESTART (4 CPU) 15:00:20 CPU %user %nice %system %iowait %steal %idle 15:10:00 all 67.56 0.00 2.43 0.08 0.11 29.82 15:10:00 0 67.96 0.00 2.52 0.12 0.11 29.29 15:10:00 1 68.53 0.00 2.06 0.06 0.12 29.23 15:10:00 2 66.77 0.00 2.46 0.07 0.12 30.58 15:10:00 3 66.98 0.00 2.67 0.06 0.11 30.18 15:20:00 all 51.66 0.00 2.11 1.47 0.11 44.65 15:20:00 0 51.93 0.00 2.12 2.76 0.11 43.08 15:20:00 1 51.80 0.00 2.40 1.62 0.11 44.08 15:20:00 2 52.09 0.00 1.98 1.12 0.11 44.71 15:20:00 3 50.81 0.00 1.96 0.40 0.11 46.73 15:30:26 all 28.45 0.00 1.82 0.34 0.07 69.31 15:30:26 0 29.35 0.00 1.87 0.24 0.07 68.47 15:30:26 1 26.80 0.00 2.53 0.84 0.08 69.74 15:30:26 2 35.24 0.00 2.02 0.18 0.07 62.49 15:30:26 3 22.39 0.00 0.88 0.12 0.07 76.54 Average: all 48.72 0.00 2.11 0.63 0.10 48.43 Average: 0 49.26 0.00 2.16 1.04 0.10 47.44 Average: 1 48.51 0.00 2.34 0.85 0.10 48.21 Average: 2 50.97 0.00 2.15 0.45 0.10 46.33 Average: 3 46.15 0.00 1.81 0.19 0.10 51.75