Hi @christophdb @daniel.pan
HI, I tested with my DEV environment on 7.08
after systemctl service startup
i had some logs in elasticsearch.log
[2019-08-26T21:33:44,433][INFO ][o.e.n.Node ] [] initializing ...
[2019-08-26T21:33:44,544][INFO ][o.e.e.NodeEnvironment ] [phVjOFG] using [1] data paths, mounts [[/ (/dev/mapper/cchumvmtmp3--vg-root)]], net usable_space [1.6gb], net total_space [7.3gb], spins? [possibly], types [ext4]
[2019-08-26T21:33:44,545][INFO ][o.e.e.NodeEnvironment ] [phVjOFG] heap size [1007.3mb], compressed ordinary object pointers [true]
[2019-08-26T21:33:44,579][INFO ][o.e.n.Node ] node name [phVjOFG] derived from node ID [phVjOFGSRSyBtbuv1UK2Mw]; set [node.name] to override
[2019-08-26T21:33:44,579][INFO ][o.e.n.Node ] version[5.6.13], pid[29711], build[4d5320b/2018-10-30T19:05:08.237Z], OS[Linux/4.9.0-9-amd64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_222/25.222-b10]
[2019-08-26T21:33:44,579][INFO ][o.e.n.Node ] JVM arguments [-Xms512m, -Xmx1g, -XX:-AssumeMP, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/home/cc/seafile/seafile-pro-server-7.0.8/pro/elasticsearch]
[2019-08-26T21:33:45,710][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [aggs-matrix-stats]
[2019-08-26T21:33:45,710][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [ingest-common]
[2019-08-26T21:33:45,711][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [lang-expression]
[2019-08-26T21:33:45,711][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [lang-groovy]
[2019-08-26T21:33:45,711][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [lang-mustache]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [lang-painless]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [parent-join]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [percolator]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [reindex]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [transport-netty3]
[2019-08-26T21:33:45,712][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded module [transport-netty4]
[2019-08-26T21:33:45,713][INFO ][o.e.p.PluginsService ] [phVjOFG] loaded plugin [analysis-ik]
[2019-08-26T21:33:47,488][INFO ][o.e.d.DiscoveryModule ] [phVjOFG] using discovery type [zen]
[2019-08-26T21:33:48,022][INFO ][o.e.n.Node ] initialized
[2019-08-26T21:33:48,022][INFO ][o.e.n.Node ] [phVjOFG] starting ...
[2019-08-26T21:33:48,147][INFO ][o.e.t.TransportService ] [phVjOFG] publish_address {127.0.0.1:9300}, bound_addresses {127.0.0.1:9300}
[2019-08-26T21:33:48,157][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] initial heap size [536870912] not equal to maximum heap size [1073741824]; this can cause resize pauses and prevents mlockall from locking the entire heap
[2019-08-26T21:33:48,158][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
[2019-08-26T21:33:48,158][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[2019-08-26T21:33:51,210][INFO ][o.e.c.s.ClusterService ] [phVjOFG] new_master {phVjOFG}{phVjOFGSRSyBtbuv1UK2Mw}{N2b5iucwQfuAsjMGEJFWyQ}{127.0.0.1}{127.0.0.1:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2019-08-26T21:33:51,238][INFO ][o.e.h.n.Netty4HttpServerTransport] [phVjOFG] publish_address {127.0.0.1:9200}, bound_addresses {127.0.0.1:9200}
[2019-08-26T21:33:51,238][INFO ][o.e.n.Node ] [phVjOFG] started
[2019-08-26T21:33:51,273][INFO ][o.w.a.d.Monitor ] try load config from /home/cc/seafile/seafile-pro-server-7.0.8/pro/elasticsearch/config/analysis-ik/IKAnalyzer.cfg.xml
[2019-08-26T21:33:51,276][INFO ][o.w.a.d.Monitor ] try load config from /home/cc/seafile/seafile-pro-server-7.0.8/pro/elasticsearch/plugins/analysis-ik/config/IKAnalyzer.cfg.xml
[2019-08-26T21:33:51,695][INFO ][o.e.g.GatewayService ] [phVjOFG] recovered [2] indices into cluster_state
[2019-08-26T21:33:52,745][INFO ][o.e.c.r.a.AllocationService] [phVjOFG] Cluster health status changed from [RED] to [YELLOW] (reason: [shards started [[repofiles][4]] ...]).
Particularly WARN logs
[2019-08-26T21:33:48,157][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] initial heap size [536870912] not equal to maximum heap size [1073741824]; this can cause resize pauses and prevents mlockall from locking the entire heap
[2019-08-26T21:33:48,158][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
[2019-08-26T21:33:48,158][WARN ][o.e.b.BootstrapChecks ] [phVjOFG] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[2019-08-26T21:33:51,210][INFO ][o.e.c.s.ClusterService ] [phVjOFG] new_master
But seafile looks normal and search is working (i can search from files newly indexed)
index.log is normal
08/26/2019 21:43:56 [INFO] seafes:135 clear_deleted_repo: 0 repos need to be deleted.
08/26/2019 21:43:56 [INFO] seafes:139 clear_deleted_repo: deleted repo has been cleared
08/26/2019 21:43:56 [INFO] seafes:164 start_index_local:
Index updated, statistic report:
08/26/2019 21:43:56 [INFO] seafes:165 start_index_local: [commit read] 4
08/26/2019 21:43:56 [INFO] seafes:166 start_index_local: [dir read] 53
08/26/2019 21:43:56 [INFO] seafes:167 start_index_local: [file read] 50
08/26/2019 21:43:56 [INFO] seafes:168 start_index_local: [block read] 48