---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32432 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: 5599.99 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 12G 67G 15% / 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 751 9182 4 6054 14894 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:0d:e8:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83982sec preferred_lft 83982sec inet6 fe80::f816:3eff:fe0d:e846/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:36:89:db:4d:c6 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-32432) 07/02/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 30.98 2.28 13.74 14.96 135.78 4222.79 241357.43 20:50:01 62.72 0.31 50.84 11.56 9.79 4003.26 27814.87 21:00:09 34.15 0.29 28.60 5.26 11.48 4837.15 12367.92 Average: 42.53 0.95 31.01 10.56 52.20 4357.89 93502.47 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 9375012 13564372 2389188 14.59 177504 4072056 2606664 14.96 832512 5698768 274060 20:50:01 8328376 13099768 2848700 17.40 207220 4581888 3059220 17.56 973592 6565384 124468 21:00:09 9526120 15359168 584756 3.57 241984 5549472 1110148 6.37 1347080 4912876 156 Average: 9076503 14007769 1940881 11.85 208903 4734472 2258677 12.96 1051061 5725676 132895 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 20:40:07 ens3 97.62 75.42 415.06 20.92 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5831.47 5831.47 5559.67 5559.67 0.00 0.00 0.00 0.00 20:50:01 ens3 96.72 70.78 269.56 20.56 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 2445.69 2445.69 2321.62 2321.62 0.00 0.00 0.00 0.00 21:00:09 ens3 87.18 79.84 105.88 119.67 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2751.70 2751.70 2619.65 2619.65 0.00 0.00 0.00 0.00 Average: ens3 93.80 75.38 262.57 54.16 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-32432) 07/02/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 70.10 0.00 2.37 0.05 0.11 27.38 20:40:07 0 68.37 0.00 2.24 0.03 0.11 29.25 20:40:07 1 70.66 0.00 2.29 0.02 0.11 26.92 20:40:07 2 70.07 0.00 2.56 0.05 0.11 27.21 20:40:07 3 71.30 0.00 2.37 0.08 0.11 26.14 20:50:01 all 61.64 0.00 4.30 0.09 0.11 33.86 20:50:01 0 60.70 0.00 4.18 0.11 0.11 34.90 20:50:01 1 62.07 0.00 4.47 0.09 0.11 33.26 20:50:01 2 62.26 0.00 4.55 0.08 0.11 33.00 20:50:01 3 61.51 0.00 4.02 0.08 0.11 34.28 21:00:09 all 47.23 0.00 2.77 0.09 0.08 49.82 21:00:09 0 44.42 0.00 3.02 0.07 0.08 52.41 21:00:09 1 48.01 0.00 2.80 0.06 0.09 49.04 21:00:09 2 48.65 0.00 2.57 0.06 0.09 48.63 21:00:09 3 47.84 0.00 2.70 0.17 0.09 49.21 Average: all 59.58 0.00 3.14 0.08 0.10 37.10 Average: 0 57.73 0.00 3.14 0.07 0.10 38.96 Average: 1 60.18 0.00 3.18 0.05 0.10 36.49 Average: 2 60.26 0.00 3.22 0.06 0.10 36.35 Average: 3 60.15 0.00 3.03 0.11 0.10 36.62