Hi team
I have 7 node as follow :
172.24.69.14 22 47 0 0.03 0.02 0.05 - - es-client-02
172.24.69.18 84 98 20 0.45 0.60 0.71 d - es-data-03
172.24.69.13 15 41 0 0.00 0.01 0.05 - - es-client-01
172.24.69.17 99 98 28 0.82 0.97 0.87 d - es-data-02
172.24.69.19 13 36 0 0.03 0.04 0.05 m - es-master-01
172.24.69.20 20 36 3 0.00 0.02 0.05 m * es-master-02
172.24.69.16 95 98 20 0.51 0.63 0.60 d - es-data-01
I think that my configuration for elastic is Ok but I have some problem :
1- kibana error :
Discover: Request Timeout after 30000ms
2- using curl command in any node is very slow and result return mybe aftre 40 sec
3- sometimes my nodes ( Occasionally data node ) become disable and i must enable and satart it with this command : " Systemctl start elasticsearch "
4- after deactivate my nodes, my shard become yellow and red .
Please help me to solve this Issues.
Of your nodes only 3 are data nodes, and it seems these are overloaded. What is the specification of these nodes (CPU cores, RAM, heap, type of storage)? How much data do you have on these nodes? How many indices/shards?
cpu for all node is :
[root@es-client-01 ~]# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 4
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 45
Model name: Intel(R) Xeon(R) CPU E5-2690 v3 @ 2.60GHz
Stepping: 2
CPU MHz: 2596.288
BogoMIPS: 5193.98
Hypervisor vendor: VMware
Virtualization type: full
L1d cache: 32K
L1i cache: 32K
L2 cache: 256K
L3 cache: 30720K
NUMA node0 CPU(s): 0-3
RAM for All node : 8G
Storage for data node is as follow :
/dev/mapper/LS-root 47158788 2964292 44194496 7% /
devtmpfs 3990700 0 3990700 0% /dev
tmpfs 4001412 0 4001412 0% /dev/shm
tmpfs 4001412 8676 3992736 1% /run
tmpfs 4001412 0 4001412 0% /sys/fs/cgroup
/dev/sdb 2064245920 57993040 1901395280 3% /var/lib/elasticsearch
/dev/sda1 1038336 182096 856240 18% /boot
tmpfs 800284 0 800284 0% /run/user/0
You can get this through the cat shards and cat indices APIs. If you have X-Pack Monitoring installed, you can look there as well.
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