---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2989 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 695 11045 3 4247 14951 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:52:2f:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80315sec preferred_lft 80315sec inet6 fe80::f816:3eff:fe52:2fc9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:98:e7:be:65:61 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::1098:e7ff:febe:6561/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2989) 04/15/26 _x86_64_ (4 CPU) 10:50:18 LINUX RESTART (4 CPU) 11:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 78.14 24.10 51.00 3.05 352.03 5635.08 6386.89 11:20:19 32.30 0.21 16.37 15.71 9.19 618.90 205168.53 11:30:13 16.31 0.14 15.37 0.80 7.62 428.87 499.08 11:40:01 7.61 0.01 7.28 0.32 0.34 192.59 140.68 11:50:19 4.89 0.01 4.68 0.19 1.02 132.16 63.75 12:00:19 6.06 0.04 5.82 0.20 2.01 151.60 68.21 12:10:01 4.78 0.00 4.60 0.18 0.14 133.76 55.48 12:20:19 8.65 0.03 8.26 0.36 0.84 531.81 315.39 12:30:19 5.90 0.03 5.69 0.18 1.05 166.68 112.13 Average: 18.17 2.66 13.13 2.37 40.61 874.76 24291.34 11:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 539700 3788952 12143324 74.17 265696 2968976 13243612 76.02 2104528 13147136 444 11:20:19 4242084 7597568 8336932 50.92 272648 3068064 9140296 52.47 2162584 9398332 308 11:30:13 11913040 15326320 613156 3.74 275632 3122928 1372060 7.88 2173536 1734388 7792 11:40:01 8161692 11588432 4349332 26.56 276716 3135304 5183328 29.75 2175388 5478672 392 11:50:19 6516908 9960224 5976596 36.50 277308 3151308 6768952 38.85 2177532 7116624 312 12:00:19 6424308 9884968 6051852 36.96 277836 3168120 6821564 39.16 2181360 7209140 80 12:10:01 8026636 11504892 4432832 27.07 278496 3185056 5226256 30.00 2183488 5606840 448 12:20:19 7719936 11313892 4623868 28.24 282448 3292256 5309436 30.48 2198132 5897796 180 12:30:19 6989268 10606180 5331092 32.56 283092 3314528 5993032 34.40 2208844 6607624 240 Average: 6725952 10174603 5762109 35.19 276652 3156282 6562060 37.67 2173932 6910728 1133 11:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 36.44 36.44 24.14 24.14 0.00 0.00 0.00 0.00 11:10:01 ens3 2.45 2.25 0.73 0.63 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:19 lo 29.26 29.26 11.14 11.14 0.00 0.00 0.00 0.00 11:20:19 ens3 1.32 1.29 0.31 1.19 0.00 0.00 0.00 0.00 11:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:13 lo 24.54 24.54 10.78 10.78 0.00 0.00 0.00 0.00 11:30:13 ens3 0.88 0.69 0.17 0.14 0.00 0.00 0.00 0.00 11:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 18.67 18.67 9.34 9.34 0.00 0.00 0.00 0.00 11:40:01 ens3 0.77 0.58 0.17 0.13 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:19 lo 26.31 26.31 10.71 10.71 0.00 0.00 0.00 0.00 11:50:19 ens3 0.52 0.42 0.11 0.08 0.00 0.00 0.00 0.00 11:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:19 lo 19.57 19.57 10.69 10.69 0.00 0.00 0.00 0.00 12:00:19 ens3 0.87 0.63 0.23 0.18 0.00 0.00 0.00 0.00 12:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 11.82 11.82 6.13 6.13 0.00 0.00 0.00 0.00 12:10:01 ens3 0.53 0.39 0.11 0.08 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:19 lo 13.96 13.96 7.55 7.55 0.00 0.00 0.00 0.00 12:20:19 ens3 1.45 0.68 0.33 0.20 0.00 0.00 0.00 0.00 12:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:19 lo 29.48 29.48 11.23 11.23 0.00 0.00 0.00 0.00 12:30:19 ens3 2.35 0.64 0.45 0.20 0.00 0.00 0.00 0.00 12:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.35 23.35 11.27 11.27 0.00 0.00 0.00 0.00 Average: ens3 1.24 0.84 0.29 0.32 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2989) 04/15/26 _x86_64_ (4 CPU) 10:50:18 LINUX RESTART (4 CPU) 11:00:16 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 69.16 0.00 2.67 0.10 0.12 27.95 11:10:01 0 69.56 0.00 2.58 0.09 0.12 27.65 11:10:01 1 68.43 0.00 2.75 0.15 0.13 28.55 11:10:01 2 68.80 0.00 2.85 0.12 0.12 28.11 11:10:01 3 69.87 0.00 2.49 0.05 0.12 27.47 11:20:19 all 26.54 0.00 1.22 0.07 0.10 72.07 11:20:19 0 26.58 0.00 1.22 0.11 0.09 72.00 11:20:19 1 26.13 0.00 1.22 0.07 0.10 72.48 11:20:19 2 27.21 0.00 1.30 0.09 0.10 71.31 11:20:19 3 26.25 0.00 1.15 0.02 0.09 72.49 11:30:13 all 25.60 0.00 0.92 0.05 0.09 73.34 11:30:13 0 25.71 0.00 0.96 0.02 0.09 73.21 11:30:13 1 26.10 0.00 0.87 0.06 0.09 72.88 11:30:13 2 24.66 0.00 0.98 0.03 0.09 74.23 11:30:13 3 25.91 0.00 0.85 0.08 0.09 73.06 11:40:01 all 13.59 0.00 0.44 0.08 0.08 85.82 11:40:01 0 13.87 0.00 0.39 0.02 0.08 85.64 11:40:01 1 13.48 0.00 0.54 0.06 0.08 85.84 11:40:01 2 13.89 0.00 0.43 0.06 0.08 85.54 11:40:01 3 13.11 0.00 0.40 0.17 0.07 86.24 11:50:19 all 10.06 0.00 0.49 0.02 0.07 89.36 11:50:19 0 9.48 0.00 0.46 0.01 0.07 89.98 11:50:19 1 10.57 0.00 0.48 0.01 0.08 88.86 11:50:19 2 10.21 0.00 0.46 0.01 0.07 89.24 11:50:19 3 9.96 0.00 0.57 0.03 0.07 89.37 12:00:19 all 10.38 0.00 0.49 0.02 0.08 89.03 12:00:19 0 10.27 0.00 0.56 0.03 0.07 89.08 12:00:19 1 11.06 0.00 0.47 0.02 0.07 88.37 12:00:19 2 10.24 0.00 0.49 0.03 0.07 89.16 12:00:19 3 9.93 0.00 0.45 0.01 0.08 89.53 12:10:01 all 8.17 0.00 0.46 0.17 0.07 91.12 12:10:01 0 8.47 0.00 0.37 0.02 0.06 91.08 12:10:01 1 8.61 0.00 0.42 0.31 0.08 90.58 12:10:01 2 7.59 0.00 0.54 0.03 0.07 91.77 12:10:01 3 8.00 0.00 0.53 0.34 0.07 91.06 12:20:19 all 14.11 0.00 0.70 0.03 0.08 85.07 12:20:19 0 14.70 0.00 0.76 0.03 0.08 84.43 12:20:19 1 14.20 0.00 0.71 0.03 0.07 84.98 12:20:19 2 13.84 0.00 0.73 0.05 0.08 85.30 12:20:19 3 13.72 0.00 0.62 0.02 0.07 85.58 12:30:19 all 10.34 0.00 0.43 0.03 0.08 89.13 12:30:19 0 10.60 0.00 0.57 0.02 0.07 88.74 12:30:19 1 10.52 0.00 0.38 0.04 0.08 88.98 12:30:19 2 10.45 0.00 0.34 0.03 0.07 89.10 12:30:19 3 9.80 0.00 0.42 0.01 0.08 89.68 Average: all 20.76 0.00 0.87 0.06 0.08 78.23 Average: 0 20.90 0.00 0.87 0.04 0.08 78.11 Average: 1 20.87 0.00 0.87 0.08 0.09 78.09 Average: 2 20.65 0.00 0.90 0.05 0.09 78.32 Average: 3 20.60 0.00 0.83 0.08 0.08 78.41