---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-28304 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 18G 61G 23% / 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 718 10081 4 5188 14920 Swap: 1023 1 1022 ---> 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:0c:e6:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82661sec preferred_lft 82661sec inet6 fe80::f816:3eff:fe0c:e696/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:36:38:cd:34:8f 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::5c36:38ff:fecd:348f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-28304) 06/18/26 _x86_64_ (4 CPU) 08:23:04 LINUX RESTART (4 CPU) 08:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:03 71.84 1.20 67.26 3.38 44.60 27158.51 11721.11 08:50:02 46.65 19.56 25.96 1.12 239.66 4077.14 2416.90 09:00:03 8.27 1.02 6.92 0.33 11.11 213.86 933.42 09:10:03 12.38 0.12 11.72 0.54 12.49 789.73 1069.61 09:20:01 4.48 0.08 4.31 0.10 2.86 74.91 30.59 Average: 28.72 4.39 23.24 1.09 62.10 6465.13 3235.64 08:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:03 1026740 12576328 3341380 20.41 267244 11002844 5628632 32.31 2237436 12268372 706640 08:50:02 3143168 7713092 8205408 50.12 271344 4198936 9528428 54.69 1939152 10614584 1080 09:00:03 6504996 11084644 4836612 29.54 272608 4207636 5594312 32.11 1983436 7230368 332 09:10:03 7857692 12616880 3305160 20.19 279612 4374440 4346504 24.95 2018968 5842616 540 09:20:01 9717232 14488224 1434932 8.76 280228 4385548 2232856 12.82 2031956 3978516 8324 Average: 5649966 11695834 4224698 25.80 274207 5633881 5466146 31.38 2042190 7986891 143383 08:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:03 lo 2.44 2.44 2.26 2.26 0.00 0.00 0.00 0.00 08:40:03 ens3 38.31 27.83 652.88 3.26 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 10.62 10.62 9.85 9.85 0.00 0.00 0.00 0.00 08:50:02 ens3 0.91 0.64 0.24 0.23 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 12.26 12.26 6.72 6.72 0.00 0.00 0.00 0.00 09:00:03 ens3 1.31 0.71 0.44 0.31 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 11.52 11.52 6.53 6.53 0.00 0.00 0.00 0.00 09:10:03 ens3 1.05 1.01 0.34 0.32 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 16.93 16.93 6.91 6.91 0.00 0.00 0.00 0.00 09:20:01 ens3 0.69 0.50 0.17 0.13 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 10.75 10.75 6.45 6.45 0.00 0.00 0.00 0.00 Average: ens3 8.46 6.14 130.89 0.85 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-16g-28304) 06/18/26 _x86_64_ (4 CPU) 08:23:04 LINUX RESTART (4 CPU) 08:30:03 CPU %user %nice %system %iowait %steal %idle 08:40:03 all 31.15 0.00 1.65 18.33 0.10 48.76 08:40:03 0 29.74 0.00 1.56 14.78 0.10 53.82 08:40:03 1 34.72 0.00 1.86 16.89 0.10 46.44 08:40:03 2 30.19 0.00 1.73 20.43 0.10 47.55 08:40:03 3 29.96 0.00 1.46 21.24 0.09 47.24 08:50:02 all 20.40 0.00 1.00 0.90 0.13 77.57 08:50:02 0 19.80 0.00 1.03 1.94 0.17 77.06 08:50:02 1 20.72 0.00 1.02 0.62 0.11 77.53 08:50:02 2 20.43 0.00 1.14 0.53 0.14 77.76 08:50:02 3 20.64 0.00 0.82 0.49 0.11 77.95 09:00:03 all 16.81 0.00 0.70 1.31 0.13 81.05 09:00:03 0 16.89 0.00 0.76 0.27 0.16 81.92 09:00:03 1 17.26 0.00 0.69 1.27 0.14 80.65 09:00:03 2 16.45 0.00 0.63 0.74 0.09 82.09 09:00:03 3 16.62 0.00 0.74 2.95 0.16 79.53 09:10:03 all 18.17 0.00 0.71 0.47 0.10 80.55 09:10:03 0 18.39 0.00 0.79 0.18 0.11 80.52 09:10:03 1 17.50 0.00 0.65 0.72 0.10 81.03 09:10:03 2 18.45 0.00 0.77 0.28 0.10 80.40 09:10:03 3 18.33 0.00 0.65 0.70 0.08 80.25 09:20:01 all 7.52 0.00 0.48 0.16 0.27 91.58 09:20:01 0 7.42 0.00 0.43 0.34 0.25 91.56 09:20:01 1 7.95 0.00 0.57 0.14 0.30 91.04 09:20:01 2 7.34 0.00 0.51 0.04 0.32 91.79 09:20:01 3 7.35 0.00 0.39 0.12 0.20 91.93 Average: all 18.79 0.00 0.91 4.23 0.15 75.93 Average: 0 18.43 0.00 0.91 3.49 0.16 77.01 Average: 1 19.62 0.00 0.96 3.92 0.15 75.36 Average: 2 18.56 0.00 0.95 4.39 0.15 75.94 Average: 3 18.57 0.00 0.81 5.10 0.13 75.40