---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30891 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: 5599.86 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 679 8278 4 7031 14967 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:2c:57:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83915sec preferred_lft 83915sec inet6 fe80::f816:3eff:fe2c:5713/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:82:3d:34:e4:28 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-30891) 06/26/26 _x86_64_ (4 CPU) 18:13:32 LINUX RESTART (4 CPU) 18:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:01 22.31 0.08 19.53 2.70 6.82 2332.66 16585.69 18:40:07 33.66 0.01 30.17 3.48 0.22 3038.69 33594.15 18:50:07 8.30 0.03 8.08 0.20 0.32 7755.75 1647.00 Average: 21.46 0.04 19.29 2.13 2.44 4377.90 17328.62 18:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:01 8628540 12330804 3626732 22.15 142960 3667772 3554092 20.40 712420 6635504 16540 18:40:07 7745292 12495468 3457008 21.11 164912 4645092 3297828 18.93 1004560 7169964 489528 18:50:07 5957144 12459976 3486196 21.29 182536 6320220 3392040 19.47 1654372 8241388 26416 Average: 7443659 12428749 3523312 21.52 163469 4877695 3414653 19.60 1123784 7348952 177495 18:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:01 lo 1270.37 1270.37 1203.57 1203.57 0.00 0.00 0.00 0.00 18:30:01 ens3 47.69 38.23 47.81 12.56 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:07 lo 1568.09 1568.09 1494.63 1494.63 0.00 0.00 0.00 0.00 18:40:07 ens3 52.24 39.43 31.92 13.72 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:07 lo 2565.60 2565.60 9304.67 9304.67 0.00 0.00 0.00 0.00 18:50:07 ens3 21.41 18.22 126.04 4.14 0.00 0.00 0.00 0.00 18:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1802.28 1802.28 4001.87 4001.87 0.00 0.00 0.00 0.00 Average: ens3 40.46 31.96 68.54 10.14 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-30891) 06/26/26 _x86_64_ (4 CPU) 18:13:32 LINUX RESTART (4 CPU) 18:20:07 CPU %user %nice %system %iowait %steal %idle 18:30:01 all 65.64 0.00 2.13 0.05 0.08 32.11 18:30:01 0 66.87 0.00 2.04 0.03 0.08 30.98 18:30:01 1 66.60 0.00 2.08 0.03 0.08 31.21 18:30:01 2 65.14 0.00 2.36 0.08 0.08 32.35 18:30:01 3 63.96 0.00 2.04 0.04 0.08 33.89 18:40:07 all 63.88 0.00 2.53 0.09 0.08 33.42 18:40:07 0 64.79 0.00 2.35 0.07 0.08 32.71 18:40:07 1 64.84 0.00 2.43 0.05 0.08 32.60 18:40:07 2 63.05 0.00 2.47 0.17 0.08 34.22 18:40:07 3 62.83 0.00 2.86 0.06 0.09 34.17 18:50:07 all 29.80 0.00 1.17 0.10 0.07 68.85 18:50:07 0 28.01 0.00 0.94 0.12 0.08 70.86 18:50:07 1 26.84 0.00 1.50 0.18 0.08 71.41 18:50:07 2 34.65 0.00 1.14 0.11 0.07 64.02 18:50:07 3 29.70 0.00 1.12 0.02 0.07 69.09 Average: all 53.09 0.00 1.94 0.08 0.08 44.80 Average: 0 53.20 0.00 1.78 0.07 0.08 44.87 Average: 1 52.76 0.00 2.01 0.09 0.08 45.07 Average: 2 54.26 0.00 1.99 0.12 0.08 43.55 Average: 3 52.16 0.00 2.01 0.04 0.08 45.72