---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-31477 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 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 695 11148 3 4144 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:a4:a2:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79668sec preferred_lft 79668sec inet6 fe80::f816:3eff:fea4:a26b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:79:97:1d:15:3f 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::3479:97ff:fe1d:153f/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-31477) 03/25/26 _x86_64_ (4 CPU) 07:16:19 LINUX RESTART (4 CPU) 07:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 115.63 22.62 89.09 3.92 348.18 31024.95 10010.81 07:40:05 28.85 4.14 23.49 1.22 86.65 1513.58 799.97 07:50:08 8.75 0.17 8.23 0.35 8.72 216.64 174.93 08:00:01 10.32 0.02 9.82 0.49 0.70 576.16 825.25 08:10:10 19.78 0.01 18.92 0.84 0.71 571.45 549.02 08:20:03 6.55 0.04 6.20 0.30 1.17 188.76 492.34 08:30:01 5.46 0.01 5.23 0.22 0.36 146.27 259.57 08:40:15 6.35 0.01 6.09 0.25 1.48 171.79 335.37 08:50:11 5.70 0.01 5.55 0.15 0.51 159.61 45.11 09:00:00 25.79 0.15 9.56 16.08 5.77 664.72 213882.28 Average: 23.23 2.70 18.17 2.36 45.18 3496.73 22384.36 07:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 224216 4362788 11566240 70.64 263140 3799880 13442836 77.16 2181448 13324368 257108 07:40:05 8381356 11320188 4614376 28.18 263388 2681648 5360956 30.77 2188444 5239928 196 07:50:08 3065428 6018536 9916392 60.57 264520 2694580 10677644 61.29 2196272 10553368 224 08:00:01 12070928 15131852 808364 4.94 268876 2797972 1647944 9.46 2224036 1561564 10048 08:10:10 10917496 14060996 1878440 11.47 271892 2877532 2969324 17.04 2240256 2692252 12636 08:20:03 8276532 11435204 4503088 27.50 272644 2891956 5257572 30.18 2241760 5321156 264 08:30:01 8241992 11418716 4519608 27.60 273096 2909564 5214692 29.93 2243012 5340372 276 08:40:15 10573440 13789500 2150240 13.13 273856 2948128 3565960 20.47 2247688 3030060 19216 08:50:11 11350840 14589952 1350324 8.25 274468 2970568 2151400 12.35 2250012 2254668 20820 09:00:00 7922832 11296540 4641720 28.35 281236 3097528 5284488 30.33 2272108 5639308 224 Average: 8102506 11342427 4594879 28.06 270712 2966936 5557282 31.90 2228504 5495704 32101 07:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 14.79 14.79 12.83 12.83 0.00 0.00 0.00 0.00 07:30:01 ens3 46.82 34.08 652.03 3.81 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:05 lo 43.36 43.36 20.29 20.29 0.00 0.00 0.00 0.00 07:40:05 ens3 2.73 1.74 0.56 1.06 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:08 lo 20.77 20.77 8.92 8.92 0.00 0.00 0.00 0.00 07:50:08 ens3 1.23 0.70 0.22 0.50 0.00 0.00 0.00 0.00 07:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 11.66 11.66 6.23 6.23 0.00 0.00 0.00 0.00 08:00:01 ens3 1.02 0.64 0.29 0.21 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 12.74 12.74 7.10 7.10 0.00 0.00 0.00 0.00 08:10:10 ens3 1.15 0.78 0.25 0.18 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 14.67 14.67 7.09 7.09 0.00 0.00 0.00 0.00 08:20:03 ens3 0.84 0.47 0.16 0.11 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 24.76 24.76 9.15 9.15 0.00 0.00 0.00 0.00 08:30:01 ens3 0.79 0.50 0.19 0.13 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:15 lo 23.77 23.77 10.81 10.81 0.00 0.00 0.00 0.00 08:40:15 ens3 0.78 0.58 0.17 0.13 0.00 0.00 0.00 0.00 08:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:11 lo 17.90 17.90 10.53 10.53 0.00 0.00 0.00 0.00 08:50:11 ens3 1.12 0.55 0.25 0.16 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:00 lo 18.47 18.47 10.23 10.23 0.00 0.00 0.00 0.00 09:00:00 ens3 1.44 0.98 0.42 0.32 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.33 20.33 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 5.75 4.07 64.88 0.66 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-31477) 03/25/26 _x86_64_ (4 CPU) 07:16:19 LINUX RESTART (4 CPU) 07:20:07 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 58.52 0.00 2.56 0.61 0.12 38.19 07:30:01 0 60.75 0.00 2.83 0.48 0.12 35.82 07:30:01 1 59.48 0.00 2.57 0.97 0.12 36.85 07:30:01 2 56.42 0.00 2.50 0.51 0.12 40.45 07:30:01 3 57.43 0.00 2.34 0.46 0.12 39.65 07:40:05 all 42.56 0.00 1.61 0.84 0.12 54.87 07:40:05 0 42.42 0.00 1.70 2.76 0.11 53.01 07:40:05 1 42.95 0.00 1.61 0.38 0.12 54.94 07:40:05 2 42.72 0.00 1.54 0.12 0.12 55.49 07:40:05 3 42.16 0.00 1.61 0.10 0.12 56.03 07:50:08 all 16.11 0.00 0.78 0.20 0.10 82.82 07:50:08 0 15.62 0.00 0.70 0.12 0.09 83.46 07:50:08 1 16.49 0.00 0.89 0.31 0.10 82.21 07:50:08 2 16.26 0.00 0.78 0.22 0.10 82.63 07:50:08 3 16.05 0.00 0.75 0.15 0.09 82.95 08:00:01 all 15.96 0.00 0.69 0.06 0.08 83.21 08:00:01 0 15.68 0.00 0.72 0.06 0.08 83.46 08:00:01 1 16.13 0.00 0.63 0.05 0.09 83.10 08:00:01 2 16.63 0.00 0.73 0.11 0.08 82.44 08:00:01 3 15.39 0.00 0.65 0.01 0.08 83.86 08:10:10 all 30.14 0.00 1.04 0.18 0.08 68.55 08:10:10 0 29.34 0.00 1.15 0.43 0.08 69.00 08:10:10 1 29.84 0.00 0.95 0.08 0.09 69.05 08:10:10 2 31.07 0.00 1.02 0.05 0.09 67.77 08:10:10 3 30.32 0.00 1.06 0.15 0.08 68.39 08:20:03 all 11.62 0.00 0.52 0.04 0.07 87.75 08:20:03 0 11.70 0.00 0.49 0.06 0.07 87.68 08:20:03 1 11.86 0.00 0.57 0.05 0.08 87.45 08:20:03 2 11.96 0.00 0.56 0.02 0.08 87.38 08:20:03 3 10.94 0.00 0.46 0.05 0.07 88.47 08:30:01 all 8.59 0.00 0.42 0.06 0.07 90.85 08:30:01 0 8.59 0.00 0.38 0.02 0.07 90.94 08:30:01 1 8.52 0.00 0.45 0.14 0.08 90.81 08:30:01 2 8.68 0.00 0.44 0.07 0.08 90.73 08:30:01 3 8.57 0.00 0.41 0.03 0.07 90.93 08:40:15 all 12.79 0.00 0.63 0.03 0.08 86.47 08:40:15 0 12.98 0.00 0.54 0.03 0.07 86.38 08:40:15 1 12.48 0.00 0.65 0.07 0.09 86.71 08:40:15 2 13.04 0.00 0.75 0.01 0.07 86.12 08:40:15 3 12.67 0.00 0.59 0.01 0.07 86.66 08:50:11 all 9.22 0.00 0.41 0.03 0.08 90.27 08:50:11 0 9.66 0.00 0.46 0.01 0.07 89.80 08:50:11 1 8.88 0.00 0.44 0.01 0.08 90.58 08:50:11 2 9.51 0.00 0.37 0.06 0.08 89.97 08:50:11 3 8.81 0.00 0.38 0.02 0.08 90.71 09:00:00 all 18.65 0.00 0.72 0.06 0.08 80.49 09:00:00 0 18.34 0.00 0.61 0.01 0.08 80.97 09:00:00 1 18.44 0.00 0.78 0.08 0.08 80.62 09:00:00 2 18.56 0.00 0.69 0.09 0.09 80.58 09:00:00 3 19.25 0.00 0.83 0.06 0.08 79.79 Average: all 22.41 0.00 0.94 0.21 0.09 76.35 Average: 0 22.50 0.00 0.96 0.40 0.08 76.06 Average: 1 22.50 0.00 0.95 0.21 0.09 76.24 Average: 2 22.48 0.00 0.94 0.13 0.09 76.36 Average: 3 22.16 0.00 0.91 0.10 0.08 76.74