---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13180 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 60G 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 704 10803 3 4480 14941 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:e5:d6:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79419sec preferred_lft 79419sec inet6 fe80::f816:3eff:fee5:d63c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:74:84:d9:6d:14 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13180) 02/18/26 _x86_64_ (4 CPU) 07:01:43 LINUX RESTART (4 CPU) 07:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:11 78.98 23.13 52.11 3.74 343.91 5346.49 2926.88 07:30:16 14.13 1.01 12.41 0.72 10.70 363.78 421.01 07:40:02 7.66 0.08 7.13 0.45 5.19 285.70 542.24 07:50:16 20.05 0.06 19.02 0.97 1.72 848.13 483.39 08:00:16 22.96 0.11 6.63 16.22 1.85 196.37 211281.30 08:10:16 7.23 0.01 7.02 0.21 0.69 168.25 126.57 08:20:16 4.19 0.01 4.05 0.14 0.36 123.47 9.63 08:30:03 7.87 0.01 7.48 0.37 1.43 258.60 181.15 08:40:16 5.29 0.00 5.13 0.16 0.16 160.45 59.01 08:50:16 9.36 0.01 8.96 0.38 0.57 559.71 138.63 Average: 17.74 2.42 12.98 2.33 36.35 827.77 21614.34 07:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:11 6646772 9943032 5987796 36.57 261236 3007632 7443240 42.72 2194036 6934644 2436 07:30:16 3836184 7155224 8776260 53.60 263272 3028376 9537476 54.74 2232120 9700888 392 07:40:02 6276964 9619204 6312776 38.56 264424 3050416 6987076 40.11 2239748 7274036 448 07:50:16 10011680 13505192 2431284 14.85 270296 3195760 3107376 17.84 2278252 3509488 112 08:00:16 7896556 11422764 4512516 27.56 273056 3225708 5255780 30.17 2286780 5620340 88 08:10:16 10665100 14220804 1716120 10.48 273720 3254528 2817432 16.17 2288564 2860500 14584 08:20:16 7787088 11346928 4588048 28.02 274192 3258196 5212984 29.92 2289204 5704496 272 08:30:03 6652740 10250692 5683848 34.71 275188 3295292 6537484 37.53 2294028 6838696 300 08:40:16 7777036 11398196 4537016 27.71 276032 3317656 5295620 30.40 2296476 5716392 352 08:50:16 7480072 11224428 4710496 28.77 279416 3434112 5300952 30.43 2310372 5998936 128 Average: 7503019 11008646 4925616 30.08 271083 3206768 5749542 33.00 2270958 6015842 1911 07:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:11 lo 26.74 26.74 18.39 18.39 0.00 0.00 0.00 0.00 07:20:11 ens3 2.39 2.02 0.73 0.61 0.00 0.00 0.00 0.00 07:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:16 lo 45.80 45.80 19.11 19.11 0.00 0.00 0.00 0.00 07:30:16 ens3 1.64 1.42 0.35 1.53 0.00 0.00 0.00 0.00 07:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:02 lo 13.24 13.24 7.24 7.24 0.00 0.00 0.00 0.00 07:40:02 ens3 0.71 0.41 0.16 0.11 0.00 0.00 0.00 0.00 07:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:16 lo 12.61 12.61 6.24 6.24 0.00 0.00 0.00 0.00 07:50:16 ens3 2.44 0.91 0.50 0.31 0.00 0.00 0.00 0.00 07:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:16 lo 12.23 12.23 5.70 5.70 0.00 0.00 0.00 0.00 08:00:16 ens3 0.74 0.49 0.15 0.11 0.00 0.00 0.00 0.00 08:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:16 lo 13.89 13.89 7.38 7.38 0.00 0.00 0.00 0.00 08:10:16 ens3 1.03 0.60 0.31 0.22 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:16 lo 24.37 24.37 8.20 8.20 0.00 0.00 0.00 0.00 08:20:16 ens3 2.53 0.35 0.41 0.13 0.00 0.00 0.00 0.00 08:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 18.51 18.51 10.65 10.65 0.00 0.00 0.00 0.00 08:30:03 ens3 2.18 0.67 0.37 0.20 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:16 lo 18.09 18.09 10.08 10.08 0.00 0.00 0.00 0.00 08:40:16 ens3 1.56 0.53 10.84 0.13 0.00 0.00 0.00 0.00 08:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:16 lo 20.28 20.28 9.77 9.77 0.00 0.00 0.00 0.00 08:50:16 ens3 1.04 0.81 0.25 0.21 0.00 0.00 0.00 0.00 08:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.59 20.59 10.27 10.27 0.00 0.00 0.00 0.00 Average: ens3 1.63 0.82 1.43 0.36 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-13180) 02/18/26 _x86_64_ (4 CPU) 07:01:43 LINUX RESTART (4 CPU) 07:10:16 CPU %user %nice %system %iowait %steal %idle 07:20:11 all 61.65 0.00 2.51 0.27 0.12 35.45 07:20:11 0 60.53 0.00 2.52 0.23 0.11 36.62 07:20:11 1 61.79 0.00 2.45 0.25 0.11 35.40 07:20:11 2 62.81 0.00 2.44 0.37 0.13 34.24 07:20:11 3 61.47 0.00 2.65 0.23 0.11 35.53 07:30:16 all 30.97 0.00 1.38 0.05 0.10 67.51 07:30:16 0 30.66 0.00 1.51 0.09 0.09 67.65 07:30:16 1 31.04 0.00 1.30 0.05 0.09 67.52 07:30:16 2 30.68 0.00 1.37 0.02 0.10 67.83 07:30:16 3 31.50 0.00 1.36 0.03 0.10 67.02 07:40:02 all 17.41 0.00 0.86 0.04 0.08 81.61 07:40:02 0 17.74 0.00 0.80 0.03 0.08 81.37 07:40:02 1 17.41 0.00 0.96 0.04 0.08 81.52 07:40:02 2 17.02 0.00 0.87 0.07 0.08 81.96 07:40:02 3 17.47 0.00 0.84 0.04 0.08 81.58 07:50:16 all 28.23 0.00 1.00 0.09 0.08 70.60 07:50:16 0 28.16 0.00 1.00 0.04 0.08 70.73 07:50:16 1 28.47 0.00 1.03 0.07 0.08 70.35 07:50:16 2 28.17 0.00 1.01 0.04 0.08 70.69 07:50:16 3 28.12 0.00 0.97 0.22 0.08 70.62 08:00:16 all 11.63 0.00 0.41 0.05 0.07 87.84 08:00:16 0 12.17 0.00 0.45 0.01 0.07 87.30 08:00:16 1 11.85 0.00 0.47 0.13 0.08 87.47 08:00:16 2 11.84 0.00 0.35 0.01 0.07 87.73 08:00:16 3 10.67 0.00 0.36 0.04 0.07 88.87 08:10:16 all 10.52 0.00 0.52 0.03 0.07 88.86 08:10:16 0 10.18 0.00 0.52 0.03 0.07 89.21 08:10:16 1 10.96 0.00 0.57 0.01 0.07 88.38 08:10:16 2 10.44 0.00 0.48 0.04 0.07 88.98 08:10:16 3 10.51 0.00 0.53 0.02 0.06 88.88 08:20:16 all 6.52 0.00 0.31 0.05 0.07 93.05 08:20:16 0 6.50 0.00 0.30 0.01 0.06 93.13 08:20:16 1 6.64 0.00 0.36 0.03 0.07 92.89 08:20:16 2 6.54 0.00 0.29 0.06 0.07 93.04 08:20:16 3 6.39 0.00 0.30 0.09 0.06 93.16 08:30:03 all 18.18 0.00 0.76 0.04 0.08 80.95 08:30:03 0 17.98 0.00 0.87 0.01 0.07 81.07 08:30:03 1 18.62 0.00 0.79 0.05 0.08 80.46 08:30:03 2 18.62 0.00 0.68 0.02 0.08 80.60 08:30:03 3 17.49 0.00 0.68 0.07 0.07 81.69 08:40:16 all 9.59 0.00 0.56 0.03 0.06 89.76 08:40:16 0 9.15 0.00 0.47 0.01 0.06 90.30 08:40:16 1 9.61 0.00 0.59 0.06 0.07 89.68 08:40:16 2 9.64 0.00 0.60 0.04 0.06 89.66 08:40:16 3 9.97 0.00 0.57 0.02 0.06 89.39 08:50:16 all 15.19 0.00 0.58 0.04 0.09 84.10 08:50:16 0 14.54 0.00 0.61 0.06 0.07 84.71 08:50:16 1 15.22 0.00 0.57 0.03 0.07 84.12 08:50:16 2 15.36 0.00 0.61 0.02 0.07 83.94 08:50:16 3 15.63 0.00 0.54 0.05 0.15 83.63 Average: all 20.97 0.00 0.89 0.07 0.08 78.00 Average: 0 20.73 0.00 0.90 0.05 0.07 78.24 Average: 1 21.14 0.00 0.91 0.07 0.08 77.80 Average: 2 21.09 0.00 0.87 0.07 0.08 77.89 Average: 3 20.90 0.00 0.88 0.08 0.08 78.06